Orbital elements of NATO 4A
| Launched | 7 January 1991 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | North Atlantic Treaty Organization |
| NORAD ID | 21047 |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| 2026 May 24 17:57 | 2026 May 21 13:49:21 | 13.0283 | 0.00036 | 23.6626 | 235.7530 | 139.3259 | 0.98283 | – |
| 2026 May 23 17:58 | 2026 May 21 13:49:21 | 13.0283 | 0.00036 | 23.6626 | 235.7530 | 139.3259 | 0.98283 | – |
| 2026 May 22 17:57 | 2026 May 21 13:49:21 | 13.0283 | 0.00036 | 23.6626 | 235.7530 | 139.3259 | 0.98283 | – |
| 2026 May 21 17:57 | 2026 May 21 13:49:21 | 13.0283 | 0.00036 | 23.6626 | 235.7530 | 139.3259 | 0.98283 | – |
| 2026 May 20 17:57 | 2026 May 15 22:50:03 | 13.0289 | 0.00035 | 23.6649 | 239.5005 | 139.3259 | 0.98283 | – |
| 2026 May 19 17:58 | 2026 May 15 22:50:03 | 13.0289 | 0.00035 | 23.6649 | 239.5005 | 139.3259 | 0.98283 | – |
| 2026 May 18 17:57 | 2026 May 15 22:50:03 | 13.0289 | 0.00035 | 23.6649 | 239.5005 | 139.3259 | 0.98283 | – |
| 2026 May 17 17:57 | 2026 May 15 22:50:03 | 13.0289 | 0.00035 | 23.6649 | 239.5005 | 139.3259 | 0.98283 | – |
| 2026 May 16 17:56 | 2026 May 15 22:50:03 | 13.0289 | 0.00035 | 23.6649 | 239.5005 | 139.3259 | 0.98283 | – |
| 2026 May 15 17:57 | 2026 May 09 07:55:30 | 13.0297 | 0.00037 | 23.6674 | 243.6996 | 139.3259 | 0.98283 | – |
| 2026 May 14 17:58 | 2026 May 09 07:55:30 | 13.0297 | 0.00037 | 23.6674 | 243.6996 | 139.3259 | 0.98283 | – |
| 2026 May 13 17:58 | 2026 May 09 07:55:30 | 13.0297 | 0.00037 | 23.6674 | 243.6996 | 139.3259 | 0.98283 | – |
| 2026 May 12 17:58 | 2026 May 09 07:55:30 | 13.0297 | 0.00037 | 23.6674 | 243.6996 | 139.3259 | 0.98283 | – |
| 2026 May 11 17:56 | 2026 May 09 07:55:30 | 13.0297 | 0.00037 | 23.6674 | 243.6996 | 139.3259 | 0.98283 | – |
| 2026 May 10 17:57 | 2026 May 09 07:55:30 | 13.0297 | 0.00037 | 23.6674 | 243.6996 | 139.3259 | 0.98283 | – |
| 2026 May 09 17:57 | 2026 May 04 04:53:50 | 13.0302 | 0.00038 | 23.6693 | 245.4217 | 139.3259 | 0.98283 | – |
| 2026 May 08 17:57 | 2026 May 04 04:53:50 | 13.0302 | 0.00038 | 23.6693 | 245.4217 | 139.3259 | 0.98283 | – |
| 2026 May 07 17:58 | 2026 May 04 04:53:50 | 13.0302 | 0.00038 | 23.6693 | 245.4217 | 139.3259 | 0.98283 | – |
| 2026 May 06 17:57 | 2026 May 04 04:53:50 | 13.0302 | 0.00038 | 23.6693 | 245.4217 | 139.3259 | 0.98283 | – |
| 2026 May 05 17:57 | 2026 May 04 04:53:50 | 13.0302 | 0.00038 | 23.6693 | 245.4217 | 139.3259 | 0.98283 | – |
| 2026 May 04 17:57 | 2026 Apr 30 03:29:28 | 13.0307 | 0.00038 | 23.6708 | 246.5769 | 139.3259 | 0.98283 | – |
| 2026 May 03 17:57 | 2026 Apr 30 03:29:28 | 13.0307 | 0.00038 | 23.6708 | 246.5769 | 139.3259 | 0.98283 | – |
| 2026 May 02 17:57 | 2026 Apr 30 03:29:28 | 13.0307 | 0.00038 | 23.6708 | 246.5769 | 139.3259 | 0.98283 | – |
| 2026 May 01 17:56 | 2026 Apr 30 03:29:28 | 13.0307 | 0.00038 | 23.6708 | 246.5769 | 139.3259 | 0.98283 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 03:29:28 | 13.0307 | 0.00038 | 23.6708 | 246.5769 | 139.3259 | 0.98283 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 00:32:16 | 13.0311 | 0.00038 | 23.6731 | 248.3598 | 139.3259 | 0.98283 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 00:32:16 | 13.0311 | 0.00038 | 23.6731 | 248.3598 | 139.3259 | 0.98283 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 00:32:16 | 13.0311 | 0.00038 | 23.6731 | 248.3598 | 139.3259 | 0.98283 | – |