Orbital elements of ATLAS H R/B
| Launched | 14 May 1987 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 17998 |
| 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 Sep 03 04:08:30 | 63.3151 | 0.07186 | 17.7404 | 113.5580 | 254.2586 | 13.50443 | – |
| 2025 Sep 11 17:57 | 2025 Sep 03 04:08:30 | 63.3151 | 0.07186 | 17.7404 | 113.5580 | 254.2586 | 13.50443 | – |
| 2025 Sep 10 17:56 | 2025 Sep 03 04:08:30 | 63.3151 | 0.07186 | 17.7404 | 113.5580 | 254.2586 | 13.50443 | – |
| 2025 Sep 08 17:57 | 2025 Sep 03 04:08:30 | 63.3151 | 0.07186 | 17.7404 | 113.5580 | 254.2586 | 13.50443 | – |
| 2025 Sep 07 17:56 | 2025 Sep 03 04:08:30 | 63.3151 | 0.07186 | 17.7404 | 113.5580 | 254.2586 | 13.50443 | – |
| 2025 Sep 06 20:41 | 2025 Sep 03 04:08:30 | 63.3151 | 0.07186 | 17.7404 | 113.5580 | 254.2586 | 13.50443 | – |
| 2025 Sep 03 17:57 | 2025 Sep 03 04:08:30 | 63.3151 | 0.07186 | 17.7404 | 113.5580 | 254.2586 | 13.50443 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 15:44:56 | 63.3158 | 0.07190 | 18.8810 | 113.4659 | 254.2586 | 13.50443 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 15:44:56 | 63.3158 | 0.07190 | 18.8810 | 113.4659 | 254.2586 | 13.50443 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 15:44:56 | 63.3158 | 0.07190 | 18.8810 | 113.4659 | 254.2586 | 13.50443 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 15:44:56 | 63.3158 | 0.07190 | 18.8810 | 113.4659 | 254.2586 | 13.50443 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 15:44:56 | 63.3158 | 0.07190 | 18.8810 | 113.4659 | 254.2586 | 13.50443 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 15:44:56 | 63.3158 | 0.07190 | 18.8810 | 113.4659 | 254.2586 | 13.50443 | – |
| 2025 Aug 27 17:56 | 2025 Aug 23 06:53:39 | 63.3167 | 0.07192 | 19.6457 | 113.4036 | 254.2586 | 13.50443 | – |
| 2025 Aug 26 17:56 | 2025 Aug 23 06:53:39 | 63.3167 | 0.07192 | 19.6457 | 113.4036 | 254.2586 | 13.50443 | – |
| 2025 Aug 25 17:56 | 2025 Aug 23 06:53:39 | 63.3167 | 0.07192 | 19.6457 | 113.4036 | 254.2586 | 13.50443 | – |
| 2025 Aug 24 17:56 | 2025 Aug 23 06:53:39 | 63.3167 | 0.07192 | 19.6457 | 113.4036 | 254.2586 | 13.50443 | – |
| 2025 Aug 23 17:56 | 2025 Aug 23 06:53:39 | 63.3167 | 0.07192 | 19.6457 | 113.4036 | 254.2586 | 13.50443 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 14:02:58 | 63.3178 | 0.07196 | 20.6436 | 113.3225 | 254.2586 | 13.50443 | – |
| 2025 Aug 20 17:56 | 2025 Aug 17 14:02:58 | 63.3178 | 0.07196 | 20.6436 | 113.3225 | 254.2586 | 13.50443 | – |
| 2025 Aug 19 17:56 | 2025 Aug 17 14:02:58 | 63.3178 | 0.07196 | 20.6436 | 113.3225 | 254.2586 | 13.50443 | – |
| 2025 Aug 18 17:56 | 2025 Aug 17 14:02:58 | 63.3178 | 0.07196 | 20.6436 | 113.3225 | 254.2586 | 13.50443 | – |