Orbital elements of ATLAS 55E R/B
| Launched | 8 October 1985 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 16137 |
| 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 |
| 2025 May 09 17:57 | 2025 May 05 10:43:18 | 64.0595 | 0.55445 | 12.7772 | 334.2188 | 6.3745 | 3.90986 | 7.743 |
| 2025 May 08 17:56 | 2025 May 01 08:30:29 | 64.0585 | 0.55453 | 12.8569 | 334.2720 | 6.3745 | 3.90986 | 7.743 |
| 2025 May 07 17:56 | 2025 May 01 08:30:29 | 64.0585 | 0.55453 | 12.8569 | 334.2720 | 6.3745 | 3.90986 | 7.743 |
| 2025 May 06 17:57 | 2025 May 01 08:30:29 | 64.0585 | 0.55453 | 12.8569 | 334.2720 | 6.3745 | 3.90986 | 7.743 |
| 2025 May 05 17:56 | 2025 May 01 08:30:29 | 64.0585 | 0.55453 | 12.8569 | 334.2720 | 6.3745 | 3.90986 | 7.743 |
| 2025 May 04 17:57 | 2025 May 01 08:30:29 | 64.0585 | 0.55453 | 12.8569 | 334.2720 | 6.3745 | 3.90986 | 7.743 |
| 2025 May 03 17:57 | 2025 May 01 08:30:29 | 64.0585 | 0.55453 | 12.8569 | 334.2720 | 6.3745 | 3.90986 | 7.743 |
| 2025 May 01 17:56 | 2025 Apr 22 03:31:35 | 64.0567 | 0.55470 | 13.0364 | 334.3950 | 6.3745 | 3.90986 | 7.743 |
| 2025 Apr 30 17:56 | 2025 Apr 22 03:31:35 | 64.0567 | 0.55470 | 13.0364 | 334.3950 | 6.3745 | 3.90986 | 7.743 |
| 2025 Apr 29 17:57 | 2025 Apr 22 03:31:35 | 64.0567 | 0.55470 | 13.0364 | 334.3950 | 6.3745 | 3.90986 | 7.743 |
| 2025 Apr 27 17:56 | 2025 Apr 22 03:31:35 | 64.0567 | 0.55470 | 13.0364 | 334.3950 | 6.3745 | 3.90986 | 7.743 |
| 2025 Apr 26 17:57 | 2025 Apr 22 03:31:35 | 64.0567 | 0.55470 | 13.0364 | 334.3950 | 6.3745 | 3.90986 | 7.743 |
| 2025 Apr 25 17:56 | 2025 Apr 22 03:31:35 | 64.0567 | 0.55470 | 13.0364 | 334.3950 | 6.3745 | 3.90986 | 7.743 |
| 2025 Apr 24 17:56 | 2025 Apr 22 03:31:35 | 64.0567 | 0.55470 | 13.0364 | 334.3950 | 6.3745 | 3.90986 | 7.743 |
| 2025 Apr 23 17:57 | 2025 Apr 22 03:31:35 | 64.0567 | 0.55470 | 13.0364 | 334.3950 | 6.3745 | 3.90986 | 7.743 |
| 2025 Apr 22 17:56 | 2025 Apr 22 03:31:35 | 64.0567 | 0.55470 | 13.0364 | 334.3950 | 6.3745 | 3.90986 | 7.743 |
| 2025 Apr 21 17:57 | 2025 Apr 15 11:55:45 | 64.0569 | 0.55481 | 13.1662 | 334.4865 | 6.3745 | 3.90986 | 7.743 |
| 2025 Apr 20 17:56 | 2025 Apr 15 11:55:45 | 64.0569 | 0.55481 | 13.1662 | 334.4865 | 6.3745 | 3.90986 | 7.743 |
| 2025 Apr 19 17:56 | 2025 Apr 15 11:55:45 | 64.0569 | 0.55481 | 13.1662 | 334.4865 | 6.3745 | 3.90986 | 7.743 |
| 2025 Apr 18 17:57 | 2025 Apr 15 11:55:45 | 64.0569 | 0.55481 | 13.1662 | 334.4865 | 6.3745 | 3.90986 | 7.743 |
| 2025 Apr 17 17:56 | 2025 Apr 15 11:55:45 | 64.0569 | 0.55481 | 13.1662 | 334.4865 | 6.3745 | 3.90986 | 7.743 |
| 2025 Apr 16 17:57 | 2025 Apr 15 11:55:45 | 64.0569 | 0.55481 | 13.1662 | 334.4865 | 6.3745 | 3.90986 | 7.743 |
| 2025 Apr 15 17:56 | 2025 Apr 08 14:11:33 | 64.0566 | 0.55490 | 13.3009 | 334.5865 | 6.3745 | 3.90986 | 7.743 |
| 2025 Apr 14 17:56 | 2025 Apr 08 14:11:33 | 64.0566 | 0.55490 | 13.3009 | 334.5865 | 6.3745 | 3.90986 | 7.743 |