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 Jan 31 18:56 | 2026 Jan 27 01:47:22 | 13.0376 | 0.00066 | 23.7063 | 252.3983 | 288.3796 | 0.98284 | – |
| 2026 Jan 30 18:57 | 2026 Jan 27 01:47:22 | 13.0376 | 0.00066 | 23.7063 | 252.3983 | 288.3796 | 0.98284 | – |
| 2026 Jan 29 18:56 | 2026 Jan 27 01:47:22 | 13.0376 | 0.00066 | 23.7063 | 252.3983 | 288.3796 | 0.98284 | – |
| 2026 Jan 28 18:56 | 2026 Jan 27 01:47:22 | 13.0376 | 0.00066 | 23.7063 | 252.3983 | 288.3796 | 0.98284 | – |
| 2026 Jan 27 18:56 | 2026 Jan 22 00:25:26 | 13.0382 | 0.00069 | 23.7082 | 251.4939 | 288.3796 | 0.98284 | – |
| 2026 Jan 26 18:57 | 2026 Jan 22 00:25:26 | 13.0382 | 0.00069 | 23.7082 | 251.4939 | 288.3796 | 0.98284 | – |
| 2026 Jan 25 18:57 | 2026 Jan 22 00:25:26 | 13.0382 | 0.00069 | 23.7082 | 251.4939 | 288.3796 | 0.98284 | – |
| 2026 Jan 24 18:58 | 2026 Jan 22 00:25:26 | 13.0382 | 0.00069 | 23.7082 | 251.4939 | 288.3796 | 0.98284 | – |
| 2026 Jan 22 18:56 | 2026 Jan 22 00:25:26 | 13.0382 | 0.00069 | 23.7082 | 251.4939 | 288.3796 | 0.98284 | – |
| 2026 Jan 21 18:56 | 2026 Jan 15 21:25:17 | 13.0387 | 0.00071 | 23.7105 | 249.6522 | 288.3796 | 0.98284 | – |
| 2026 Jan 20 19:06 | 2026 Jan 15 21:25:17 | 13.0387 | 0.00071 | 23.7105 | 249.6522 | 288.3796 | 0.98284 | – |
| 2026 Jan 19 18:57 | 2026 Jan 15 21:25:17 | 13.0387 | 0.00071 | 23.7105 | 249.6522 | 288.3796 | 0.98284 | – |
| 2026 Jan 18 18:57 | 2026 Jan 15 21:25:17 | 13.0387 | 0.00071 | 23.7105 | 249.6522 | 288.3796 | 0.98284 | – |
| 2026 Jan 17 18:56 | 2026 Jan 15 21:25:17 | 13.0387 | 0.00071 | 23.7105 | 249.6522 | 288.3796 | 0.98284 | – |
| 2026 Jan 16 18:57 | 2026 Jan 15 21:25:17 | 13.0387 | 0.00071 | 23.7105 | 249.6522 | 288.3796 | 0.98284 | – |
| 2026 Jan 15 18:56 | 2026 Jan 11 08:01:06 | 13.0392 | 0.00072 | 23.7122 | 248.0405 | 288.3796 | 0.98284 | – |
| 2026 Jan 13 18:56 | 2026 Jan 11 08:01:06 | 13.0392 | 0.00072 | 23.7122 | 248.0405 | 288.3796 | 0.98284 | – |
| 2026 Jan 11 18:57 | 2026 Jan 11 08:01:06 | 13.0392 | 0.00072 | 23.7122 | 248.0405 | 288.3796 | 0.98284 | – |
| 2026 Jan 10 18:57 | 2026 Jan 05 16:57:59 | 13.0397 | 0.00073 | 23.7144 | 246.4429 | 288.3796 | 0.98284 | – |
| 2026 Jan 09 18:57 | 2026 Jan 05 16:57:59 | 13.0397 | 0.00073 | 23.7144 | 246.4429 | 288.3796 | 0.98284 | – |
| 2026 Jan 08 18:56 | 2026 Jan 05 16:57:59 | 13.0397 | 0.00073 | 23.7144 | 246.4429 | 288.3796 | 0.98284 | – |
| 2026 Jan 07 18:57 | 2026 Jan 05 16:57:59 | 13.0397 | 0.00073 | 23.7144 | 246.4429 | 288.3796 | 0.98284 | – |
| 2026 Jan 06 18:56 | 2026 Jan 05 16:57:59 | 13.0397 | 0.00073 | 23.7144 | 246.4429 | 288.3796 | 0.98284 | – |
| 2026 Jan 05 18:57 | 2025 Dec 31 14:55:31 | 13.0402 | 0.00074 | 23.7164 | 245.3536 | 288.3796 | 0.98284 | – |
| 2026 Jan 04 18:56 | 2025 Dec 31 14:55:31 | 13.0402 | 0.00074 | 23.7164 | 245.3536 | 288.3796 | 0.98284 | – |