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 Sep 12 17:57 | 2025 Aug 30 01:48:42 | 64.0600 | 0.55125 | 10.5131 | 332.6535 | 6.8028 | 3.90976 | 7.743 |
| 2025 Sep 11 17:57 | 2025 Aug 30 01:48:42 | 64.0600 | 0.55125 | 10.5131 | 332.6535 | 6.8028 | 3.90976 | 7.743 |
| 2025 Sep 10 17:56 | 2025 Aug 30 01:48:42 | 64.0600 | 0.55125 | 10.5131 | 332.6535 | 6.8028 | 3.90976 | 7.743 |
| 2025 Sep 08 17:57 | 2025 Aug 30 01:48:42 | 64.0600 | 0.55125 | 10.5131 | 332.6535 | 6.8028 | 3.90976 | 7.743 |
| 2025 Sep 07 17:56 | 2025 Aug 30 01:48:42 | 64.0600 | 0.55125 | 10.5131 | 332.6535 | 6.8028 | 3.90976 | 7.743 |
| 2025 Sep 06 20:41 | 2025 Aug 30 01:48:42 | 64.0600 | 0.55125 | 10.5131 | 332.6535 | 6.8028 | 3.90976 | 7.743 |
| 2025 Sep 03 17:57 | 2025 Aug 30 01:48:42 | 64.0600 | 0.55125 | 10.5131 | 332.6535 | 6.8028 | 3.90976 | 7.743 |
| 2025 Sep 02 17:56 | 2025 Aug 26 18:00:39 | 64.0606 | 0.55128 | 10.5772 | 332.7227 | 6.8028 | 3.90976 | 7.743 |
| 2025 Sep 01 17:56 | 2025 Aug 26 18:00:39 | 64.0606 | 0.55128 | 10.5772 | 332.7227 | 6.8028 | 3.90976 | 7.743 |
| 2025 Aug 31 17:56 | 2025 Aug 26 18:00:39 | 64.0606 | 0.55128 | 10.5772 | 332.7227 | 6.8028 | 3.90976 | 7.743 |
| 2025 Aug 30 17:56 | 2025 Aug 26 18:00:39 | 64.0606 | 0.55128 | 10.5772 | 332.7227 | 6.8028 | 3.90976 | 7.743 |
| 2025 Aug 29 17:56 | 2025 Aug 26 18:00:39 | 64.0606 | 0.55128 | 10.5772 | 332.7227 | 6.8028 | 3.90976 | 7.743 |
| 2025 Aug 28 17:57 | 2025 Aug 26 18:00:39 | 64.0606 | 0.55128 | 10.5772 | 332.7227 | 6.8028 | 3.90976 | 7.743 |
| 2025 Aug 27 17:56 | 2025 Aug 20 14:41:15 | 64.0603 | 0.55152 | 10.6957 | 332.7958 | 6.8028 | 3.90976 | 7.743 |
| 2025 Aug 26 17:56 | 2025 Aug 20 14:41:15 | 64.0603 | 0.55152 | 10.6957 | 332.7958 | 6.8028 | 3.90976 | 7.743 |
| 2025 Aug 25 17:56 | 2025 Aug 20 14:41:15 | 64.0603 | 0.55152 | 10.6957 | 332.7958 | 6.8028 | 3.90976 | 7.743 |
| 2025 Aug 24 17:56 | 2025 Aug 20 14:41:15 | 64.0603 | 0.55152 | 10.6957 | 332.7958 | 6.8028 | 3.90976 | 7.743 |
| 2025 Aug 23 17:56 | 2025 Aug 20 14:41:15 | 64.0603 | 0.55152 | 10.6957 | 332.7958 | 6.8028 | 3.90976 | 7.743 |
| 2025 Aug 22 17:56 | 2025 Aug 17 19:09:57 | 64.0617 | 0.55160 | 10.7500 | 332.8384 | 6.8028 | 3.90976 | 7.743 |
| 2025 Aug 20 17:56 | 2025 Aug 17 19:09:57 | 64.0617 | 0.55160 | 10.7500 | 332.8384 | 6.8028 | 3.90976 | 7.743 |
| 2025 Aug 19 17:56 | 2025 Aug 17 19:09:57 | 64.0617 | 0.55160 | 10.7500 | 332.8384 | 6.8028 | 3.90976 | 7.743 |
| 2025 Aug 18 17:56 | 2025 Aug 17 19:09:57 | 64.0617 | 0.55160 | 10.7500 | 332.8384 | 6.8028 | 3.90976 | 7.743 |