Orbital elements of USA 61
| Launched | 7 June 1990 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 20691 |
| 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 14 17:58 | 2026 May 10 05:52:26 | 63.2960 | 0.08818 | 20.9436 | 84.4429 | 285.6397 | 13.62523 | 5.243 |
| 2026 May 13 17:58 | 2026 May 10 05:52:26 | 63.2960 | 0.08818 | 20.9436 | 84.4429 | 285.6397 | 13.62523 | 5.243 |
| 2026 May 12 17:58 | 2026 May 10 05:52:26 | 63.2960 | 0.08818 | 20.9436 | 84.4429 | 285.6397 | 13.62523 | 5.243 |
| 2026 May 11 17:56 | 2026 May 10 05:52:26 | 63.2960 | 0.08818 | 20.9436 | 84.4429 | 285.6397 | 13.62523 | 5.243 |
| 2026 May 10 17:57 | 2026 May 10 05:52:26 | 63.2960 | 0.08818 | 20.9436 | 84.4429 | 285.6397 | 13.62523 | 5.243 |
| 2026 May 09 17:57 | 2026 May 05 13:08:27 | 63.2956 | 0.08820 | 21.7881 | 84.3489 | 285.6397 | 13.62523 | 5.243 |
| 2026 May 08 17:57 | 2026 May 05 13:08:27 | 63.2956 | 0.08820 | 21.7881 | 84.3489 | 285.6397 | 13.62523 | 5.243 |
| 2026 May 07 17:58 | 2026 May 05 13:08:27 | 63.2956 | 0.08820 | 21.7881 | 84.3489 | 285.6397 | 13.62523 | 5.243 |
| 2026 May 06 17:57 | 2026 May 05 13:08:27 | 63.2956 | 0.08820 | 21.7881 | 84.3489 | 285.6397 | 13.62523 | 5.243 |
| 2026 May 05 17:57 | 2026 May 05 13:08:27 | 63.2956 | 0.08820 | 21.7881 | 84.3489 | 285.6397 | 13.62523 | 5.243 |
| 2026 May 04 17:57 | 2026 Apr 30 15:07:08 | 63.2962 | 0.08821 | 22.6721 | 84.2479 | 285.6397 | 13.62523 | 5.243 |
| 2026 May 03 17:57 | 2026 Apr 30 15:07:08 | 63.2962 | 0.08821 | 22.6721 | 84.2479 | 285.6397 | 13.62523 | 5.243 |
| 2026 May 02 17:57 | 2026 Apr 30 15:07:08 | 63.2962 | 0.08821 | 22.6721 | 84.2479 | 285.6397 | 13.62523 | 5.243 |
| 2026 May 01 17:56 | 2026 Apr 30 15:07:08 | 63.2962 | 0.08821 | 22.6721 | 84.2479 | 285.6397 | 13.62523 | 5.243 |
| 2026 Apr 30 17:56 | 2026 Apr 30 15:07:08 | 63.2962 | 0.08821 | 22.6721 | 84.2479 | 285.6397 | 13.62523 | 5.243 |
| 2026 Apr 29 17:57 | 2026 Apr 24 02:20:10 | 63.2972 | 0.08823 | 23.8462 | 84.1265 | 285.6397 | 13.62523 | 5.243 |
| 2026 Apr 28 17:56 | 2026 Apr 24 02:20:10 | 63.2972 | 0.08823 | 23.8462 | 84.1265 | 285.6397 | 13.62523 | 5.243 |
| 2026 Apr 27 17:58 | 2026 Apr 24 02:20:10 | 63.2972 | 0.08823 | 23.8462 | 84.1265 | 285.6397 | 13.62523 | 5.243 |
| 2026 Apr 26 17:58 | 2026 Apr 24 02:20:10 | 63.2972 | 0.08823 | 23.8462 | 84.1265 | 285.6397 | 13.62523 | 5.243 |
| 2026 Apr 25 17:58 | 2026 Apr 24 02:20:10 | 63.2972 | 0.08823 | 23.8462 | 84.1265 | 285.6397 | 13.62523 | 5.243 |
| 2026 Apr 24 17:59 | 2026 Apr 24 02:20:10 | 63.2972 | 0.08823 | 23.8462 | 84.1265 | 285.6397 | 13.62523 | 5.243 |
| 2026 Apr 23 17:57 | 2026 Apr 19 09:35:18 | 63.2977 | 0.08824 | 0.6905 | 84.0311 | 285.6397 | 13.62523 | 5.243 |
| 2026 Apr 22 17:57 | 2026 Apr 19 09:35:18 | 63.2977 | 0.08824 | 0.6905 | 84.0311 | 285.6397 | 13.62523 | 5.243 |
| 2026 Apr 21 17:57 | 2026 Apr 19 09:35:18 | 63.2977 | 0.08824 | 0.6905 | 84.0311 | 285.6397 | 13.62523 | 5.243 |
| 2026 Apr 20 17:57 | 2026 Apr 19 09:35:18 | 63.2977 | 0.08824 | 0.6905 | 84.0311 | 285.6397 | 13.62523 | 5.243 |
| 2026 Apr 19 17:58 | 2026 Apr 19 09:35:18 | 63.2977 | 0.08824 | 0.6905 | 84.0311 | 285.6397 | 13.62523 | 5.243 |
| 2026 Apr 18 17:56 | 2026 Apr 13 05:36:10 | 63.2971 | 0.08824 | 1.7985 | 83.9162 | 285.6397 | 13.62523 | 5.243 |