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find_satellites_above

List satellites above an observer within an angular search radius.

Signature: find_satellites_above(observer_lat: decimal number, decimal degrees (WGS84), required; observer_lon: decimal number, decimal degrees (WGS84), required; observer_alt_m: decimal number, metres, optional, default 0; radius_deg: integer, degrees, optional, default 30; category_id: integer, optional, default 0; limit: integer, items, optional, default 25; offset: integer, items, optional, default 0)

Direct GET

For navigating agents: open the HTML page with parameters in the URL. The result is fetched and displayed without screenshots or form filling.

Open this validated HTML GET URL

https://allemannsdata.com/wiki/kilder/n2yo/find_satellites_above/?observer_lat={observer_lat}&observer_lon={observer_lon}&observer_alt_m=0&radius_deg=30&category_id=0&limit=25&offset=0

Replace {observer_lat}, {observer_lon}, {observer_alt_m}, {radius_deg}, {category_id} with values. Remove unused optional parameters from the URL.

For software and dashboards: Read the operation descriptor. The JSON GET template is https://allemannsdata.com/wiki/api/v1/kilder/n2yo/find_satellites_above?observer_lat={observer_lat}&observer_lon={observer_lon}&observer_alt_m=0&radius_deg=30&category_id=0&limit=25&offset=0. Open this exact request as JSON.

ParameterRequirementJSON typeDescription
observer_latrequirednumberObserver latitude in WGS84 decimal degrees. Unit: decimal degrees (WGS84).
observer_lonrequirednumberObserver longitude in WGS84 decimal degrees. Unit: decimal degrees (WGS84).
observer_alt_moptionalnumberObserver altitude above sea level in metres. Unit: metres.
radius_degoptionalintegerSearch radius from 0 to 90 degrees. Unit: degrees.
category_idoptionalintegerN2YO category id; 0 means all categories, 1 brightest.
limitoptionalintegerGateway page size; default 25, maximum 100.
offsetoptionalintegerNumber of list items to skip; default 0.
Generated JavaScript, Python and response structure

Use JSON when the user requests code, machine-readable data, value extraction or further computation. Use the HTML GET page to identify the correct source and verify parameters.

Example for generated JavaScript and Python

https://allemannsdata.com/wiki/api/v1/kilder/n2yo/find_satellites_above?observer_lat={observer_lat}&observer_lon={observer_lon}&observer_alt_m=0&radius_deg=30&category_id=0&limit=25&offset=0

Replace URL placeholders and remove unused optional parameters.

JavaScript in a dashboard

const url = "https://allemannsdata.com/wiki/api/v1/kilder/n2yo/find_satellites_above?observer_lat={observer_lat}&observer_lon={observer_lon}&observer_alt_m=0&radius_deg=30&category_id=0&limit=25&offset=0";
const response = await fetch(url);
if (!response.ok) {
  const failure = await response.json();
  throw new Error(`${failure.error.code}: ${failure.error.message} ${failure.suggestion}`);
}
const result = await response.json();
const data = result.data;

Python without additional packages

import json
from urllib.request import urlopen

url = "https://allemannsdata.com/wiki/api/v1/kilder/n2yo/find_satellites_above?observer_lat={observer_lat}&observer_lon={observer_lon}&observer_alt_m=0&radius_deg=30&category_id=0&limit=25&offset=0"
with urlopen(url) as response:
    result = json.load(response)
data = result["data"]

Response structure

{
  "source": "n2yo",
  "operation": "find_satellites_above",
  "parameters": {},
  "data": {},
  "entities": [],
  "_meta": {"retrieved_at": "...", "sources": [], "cache": {}},
  "_links": {"self": "...", "source": "...", "wiki": "...", "feedback": "..."}
}
Form for manual use

The form is a fallback for people and browser agents that cannot open the GET URL directly.

Type: decimal number. Observer latitude in WGS84 decimal degrees. Unit: decimal degrees (WGS84).
Type: decimal number. Observer longitude in WGS84 decimal degrees. Unit: decimal degrees (WGS84).
Type: decimal number. Observer altitude above sea level in metres. Unit: metres.
Type: integer. Search radius from 0 to 90 degrees. Unit: degrees.
Type: integer. N2YO category id; 0 means all categories, 1 brightest.

Result

Source: N2YO satellite data. Retrieved 2026-10-15T12:06:34Z in 0.767 seconds.

info:
category:
ANY
transactionscount:
39
satcount:
123
above:

25 results

  1. satid:
    635
    satname:
    ERS 9
    intDesignator:
    1963-030B
    launchDate:
    1963-07-19
    satlat:
    69.0683
    satlng:
    6.7952
    satalt:
    3754.2676
  2. satid:
    837
    satname:
    OPS 3674 (VELA 4)
    intDesignator:
    1964-040B
    launchDate:
    1964-07-17
    satlat:
    45.212
    satlng:
    26.8022
    satalt:
    136730.1791
  3. satid:
    2980
    satname:
    OPS 1264 (DMSP 4A F4)
    intDesignator:
    1967-096A
    launchDate:
    1967-10-11
    satlat:
    56.7114
    satlng:
    6.292
    satalt:
    629.2275
  4. satid:
    3132
    satname:
    ATLAS AGENA B DEB
    intDesignator:
    1963-030G
    launchDate:
    1963-07-19
    satlat:
    62.3683
    satlng:
    2.4048
    satalt:
    3766.1029
  5. satid:
    3554
    satname:
    COSMOS 252 DEB
    intDesignator:
    1968-097G
    launchDate:
    1968-11-01
    satlat:
    54.9979
    satlng:
    -1.4027
    satalt:
    1215.4613
  6. satid:
    3606
    satname:
    COSMOS 249 DEB
    intDesignator:
    1968-091Y
    launchDate:
    1968-10-20
    satlat:
    53.9881
    satlng:
    3.5319
    satalt:
    1435.8302
  7. satid:
    5017
    satname:
    COSMOS 397 DEB
    intDesignator:
    1971-015L
    launchDate:
    1971-02-25
    satlat:
    59.2536
    satlng:
    -0.7045
    satalt:
    564.8989
  8. satid:
    7735
    satname:
    DELTA 1 R/B
    intDesignator:
    1975-027B
    launchDate:
    1975-04-09
    satlat:
    59.7654
    satlng:
    8.3863
    satalt:
    848.0305
  9. satid:
    7800
    satname:
    SL-6 R/B(2)
    intDesignator:
    1975-036D
    launchDate:
    1975-04-29
    satlat:
    59.2935
    satlng:
    50.5055
    satalt:
    38195.6469
  10. satid:
    8165
    satname:
    THORAD DELTA 1 DEB
    intDesignator:
    1974-089AF
    launchDate:
    1974-11-15
    satlat:
    53.992
    satlng:
    8.0865
    satalt:
    1461.7343
  11. satid:
    8601
    satname:
    MOLNIYA 1-32
    intDesignator:
    1976-006A
    launchDate:
    1976-01-22
    satlat:
    63.6286
    satlng:
    2.5015
    satalt:
    37472.3471
  12. satid:
    9799
    satname:
    COSMOS 886 DEB *
    intDesignator:
    1976-126Z
    launchDate:
    1976-12-27
    satlat:
    54.7696
    satlng:
    7.9826
    satalt:
    1750.8345
  13. satid:
    9981
    satname:
    TANSEI 3 DEB
    intDesignator:
    1977-012E
    launchDate:
    1977-02-19
    satlat:
    61.4574
    satlng:
    -0.5591
    satalt:
    3610.5315
  14. satid:
    10150
    satname:
    COSMOS 931
    intDesignator:
    1977-068A
    launchDate:
    1977-07-20
    satlat:
    47.4583
    satlng:
    2.7774
    satalt:
    33548.7812
  15. satid:
    10448
    satname:
    COSMOS 839 DEB
    intDesignator:
    1976-067Z
    launchDate:
    1976-07-08
    satlat:
    59.8337
    satlng:
    8.0359
    satalt:
    1042.7352
  16. satid:
    10453
    satname:
    COSMOS 839 DEB
    intDesignator:
    1976-067AE
    launchDate:
    1976-07-08
    satlat:
    63.0666
    satlng:
    -1.5505
    satalt:
    2034.9882
  17. satid:
    10572
    satname:
    COSMOS 970 DEB
    intDesignator:
    1977-121P
    launchDate:
    1977-12-21
    satlat:
    57.3637
    satlng:
    -1.7931
    satalt:
    1068.6883
  18. satid:
    11141
    satname:
    OPS 5114 (NAVSTAR 4)
    intDesignator:
    1978-112A
    launchDate:
    1978-12-11
    satlat:
    49.5474
    satlng:
    7.7672
    satalt:
    20751.4637
  19. satid:
    11142
    satname:
    ATLAS F R/B
    intDesignator:
    1978-112B
    launchDate:
    1978-12-11
    satlat:
    63.0417
    satlng:
    -13.0847
    satalt:
    11293.9858
  20. satid:
    12384
    satname:
    SL-6 R/B(2)
    intDesignator:
    1981-031D
    launchDate:
    1981-03-31
    satlat:
    42.1236
    satlng:
    14.8039
    satalt:
    23845.5482
  21. satid:
    12771
    satname:
    COSMOS 1275 DEB
    intDesignator:
    1981-053DQ
    launchDate:
    1981-06-04
    satlat:
    57.3691
    satlng:
    0.9313
    satalt:
    948.053
  22. satid:
    12833
    satname:
    COSMOS 1109 DEB
    intDesignator:
    1979-058E
    launchDate:
    1979-06-27
    satlat:
    66.7728
    satlng:
    29.3388
    satalt:
    19906.1537
  23. satid:
    14264
    satname:
    SL-12 R/B(2)
    intDesignator:
    1983-084F
    launchDate:
    1983-08-10
    satlat:
    57.4257
    satlng:
    -3.2655
    satalt:
    19155.8211
  24. satid:
    15214
    satname:
    MOLNIYA 1-62
    intDesignator:
    1984-089A
    launchDate:
    1984-08-24
    satlat:
    53.1284
    satlng:
    33.7256
    satalt:
    31044.0181
  25. satid:
    15226
    satname:
    USA 4
    intDesignator:
    1984-091A
    launchDate:
    1984-08-28
    satlat:
    48.0225
    satlng:
    13.6033
    satalt:
    32765.7878
limit:
25
offset:
0
returned:
25
has_more_results:
yes
next_offset:
25
Show all fields in HTML
info:
category:
ANY
transactionscount:
39
satcount:
123
above:

25 results

  1. satid:
    635
    satname:
    ERS 9
    intDesignator:
    1963-030B
    launchDate:
    1963-07-19
    satlat:
    69.0683
    satlng:
    6.7952
    satalt:
    3754.2676
  2. satid:
    837
    satname:
    OPS 3674 (VELA 4)
    intDesignator:
    1964-040B
    launchDate:
    1964-07-17
    satlat:
    45.212
    satlng:
    26.8022
    satalt:
    136730.1791
  3. satid:
    2980
    satname:
    OPS 1264 (DMSP 4A F4)
    intDesignator:
    1967-096A
    launchDate:
    1967-10-11
    satlat:
    56.7114
    satlng:
    6.292
    satalt:
    629.2275
  4. satid:
    3132
    satname:
    ATLAS AGENA B DEB
    intDesignator:
    1963-030G
    launchDate:
    1963-07-19
    satlat:
    62.3683
    satlng:
    2.4048
    satalt:
    3766.1029
  5. satid:
    3554
    satname:
    COSMOS 252 DEB
    intDesignator:
    1968-097G
    launchDate:
    1968-11-01
    satlat:
    54.9979
    satlng:
    -1.4027
    satalt:
    1215.4613
  6. satid:
    3606
    satname:
    COSMOS 249 DEB
    intDesignator:
    1968-091Y
    launchDate:
    1968-10-20
    satlat:
    53.9881
    satlng:
    3.5319
    satalt:
    1435.8302
  7. satid:
    5017
    satname:
    COSMOS 397 DEB
    intDesignator:
    1971-015L
    launchDate:
    1971-02-25
    satlat:
    59.2536
    satlng:
    -0.7045
    satalt:
    564.8989
  8. satid:
    7735
    satname:
    DELTA 1 R/B
    intDesignator:
    1975-027B
    launchDate:
    1975-04-09
    satlat:
    59.7654
    satlng:
    8.3863
    satalt:
    848.0305
  9. satid:
    7800
    satname:
    SL-6 R/B(2)
    intDesignator:
    1975-036D
    launchDate:
    1975-04-29
    satlat:
    59.2935
    satlng:
    50.5055
    satalt:
    38195.6469
  10. satid:
    8165
    satname:
    THORAD DELTA 1 DEB
    intDesignator:
    1974-089AF
    launchDate:
    1974-11-15
    satlat:
    53.992
    satlng:
    8.0865
    satalt:
    1461.7343
  11. satid:
    8601
    satname:
    MOLNIYA 1-32
    intDesignator:
    1976-006A
    launchDate:
    1976-01-22
    satlat:
    63.6286
    satlng:
    2.5015
    satalt:
    37472.3471
  12. satid:
    9799
    satname:
    COSMOS 886 DEB *
    intDesignator:
    1976-126Z
    launchDate:
    1976-12-27
    satlat:
    54.7696
    satlng:
    7.9826
    satalt:
    1750.8345
  13. satid:
    9981
    satname:
    TANSEI 3 DEB
    intDesignator:
    1977-012E
    launchDate:
    1977-02-19
    satlat:
    61.4574
    satlng:
    -0.5591
    satalt:
    3610.5315
  14. satid:
    10150
    satname:
    COSMOS 931
    intDesignator:
    1977-068A
    launchDate:
    1977-07-20
    satlat:
    47.4583
    satlng:
    2.7774
    satalt:
    33548.7812
  15. satid:
    10448
    satname:
    COSMOS 839 DEB
    intDesignator:
    1976-067Z
    launchDate:
    1976-07-08
    satlat:
    59.8337
    satlng:
    8.0359
    satalt:
    1042.7352
  16. satid:
    10453
    satname:
    COSMOS 839 DEB
    intDesignator:
    1976-067AE
    launchDate:
    1976-07-08
    satlat:
    63.0666
    satlng:
    -1.5505
    satalt:
    2034.9882
  17. satid:
    10572
    satname:
    COSMOS 970 DEB
    intDesignator:
    1977-121P
    launchDate:
    1977-12-21
    satlat:
    57.3637
    satlng:
    -1.7931
    satalt:
    1068.6883
  18. satid:
    11141
    satname:
    OPS 5114 (NAVSTAR 4)
    intDesignator:
    1978-112A
    launchDate:
    1978-12-11
    satlat:
    49.5474
    satlng:
    7.7672
    satalt:
    20751.4637
  19. satid:
    11142
    satname:
    ATLAS F R/B
    intDesignator:
    1978-112B
    launchDate:
    1978-12-11
    satlat:
    63.0417
    satlng:
    -13.0847
    satalt:
    11293.9858
  20. satid:
    12384
    satname:
    SL-6 R/B(2)
    intDesignator:
    1981-031D
    launchDate:
    1981-03-31
    satlat:
    42.1236
    satlng:
    14.8039
    satalt:
    23845.5482
  21. satid:
    12771
    satname:
    COSMOS 1275 DEB
    intDesignator:
    1981-053DQ
    launchDate:
    1981-06-04
    satlat:
    57.3691
    satlng:
    0.9313
    satalt:
    948.053
  22. satid:
    12833
    satname:
    COSMOS 1109 DEB
    intDesignator:
    1979-058E
    launchDate:
    1979-06-27
    satlat:
    66.7728
    satlng:
    29.3388
    satalt:
    19906.1537
  23. satid:
    14264
    satname:
    SL-12 R/B(2)
    intDesignator:
    1983-084F
    launchDate:
    1983-08-10
    satlat:
    57.4257
    satlng:
    -3.2655
    satalt:
    19155.8211
  24. satid:
    15214
    satname:
    MOLNIYA 1-62
    intDesignator:
    1984-089A
    launchDate:
    1984-08-24
    satlat:
    53.1284
    satlng:
    33.7256
    satalt:
    31044.0181
  25. satid:
    15226
    satname:
    USA 4
    intDesignator:
    1984-091A
    launchDate:
    1984-08-28
    satlat:
    48.0225
    satlng:
    13.6033
    satalt:
    32765.7878
limit:
25
offset:
0
returned:
25
has_more_results:
yes
next_offset:
25
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How an AI agent should use this page

Ground rule: Navigate with HTML GET links to keep explanations and relationships. Use the page's JSON alternative only when concrete values must be extracted, compared or computed.

How to use the find_satellites_above lookup

  1. Replace the placeholders in the HTML GET template; remove optional parameters you do not need.
  2. Check types, units, limits and ID formats in the parameter table.
  3. Follow linked results to canonical pages before combining sources.

Misreading to avoid: An empty list means "no results for this lookup". An error message or unavailable source does not mean the data does not exist.

Source-specific next step

Go to the source page for other operations. Use the JSON template only after the HTML result shows that the parameters and source are correct.

AI agent? Read the complete navigation and programming guide.