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 Dec 19 18:57 | 2025 Dec 12 06:33:45 | 63.3195 | 0.07129 | 0.2158 | 114.9020 | 252.7811 | 13.50862 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 06:33:45 | 63.3195 | 0.07129 | 0.2158 | 114.9020 | 252.7811 | 13.50862 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 06:33:45 | 63.3195 | 0.07129 | 0.2158 | 114.9020 | 252.7811 | 13.50862 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 06:33:45 | 63.3195 | 0.07129 | 0.2158 | 114.9020 | 252.7811 | 13.50862 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 06:33:45 | 63.3195 | 0.07129 | 0.2158 | 114.9020 | 252.7811 | 13.50862 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 06:33:45 | 63.3195 | 0.07129 | 0.2158 | 114.9020 | 252.7811 | 13.50862 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 06:33:45 | 63.3195 | 0.07129 | 0.2158 | 114.9020 | 252.7811 | 13.50862 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 06:33:45 | 63.3195 | 0.07129 | 0.2158 | 114.9020 | 252.7811 | 13.50862 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 02:11:50 | 63.3190 | 0.07133 | 1.1232 | 114.8335 | 252.7811 | 13.50862 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 02:11:50 | 63.3190 | 0.07133 | 1.1232 | 114.8335 | 252.7811 | 13.50862 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 02:11:50 | 63.3190 | 0.07133 | 1.1232 | 114.8335 | 252.7811 | 13.50862 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 02:11:50 | 63.3190 | 0.07133 | 1.1232 | 114.8335 | 252.7811 | 13.50862 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 02:11:50 | 63.3190 | 0.07133 | 1.1232 | 114.8335 | 252.7811 | 13.50862 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 12:02:37 | 63.3189 | 0.07135 | 1.9270 | 114.7703 | 252.7811 | 13.50862 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 12:02:37 | 63.3189 | 0.07135 | 1.9270 | 114.7703 | 252.7811 | 13.50862 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 12:02:37 | 63.3189 | 0.07135 | 1.9270 | 114.7703 | 252.7811 | 13.50862 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 12:02:37 | 63.3189 | 0.07135 | 1.9270 | 114.7703 | 252.7811 | 13.50862 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 12:02:37 | 63.3189 | 0.07135 | 1.9270 | 114.7703 | 252.7811 | 13.50862 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 11:15:29 | 63.3186 | 0.07138 | 3.1585 | 114.6793 | 252.7811 | 13.50862 | – |
| 2025 Nov 29 18:56 | 2025 Nov 25 11:15:29 | 63.3186 | 0.07138 | 3.1585 | 114.6793 | 252.7811 | 13.50862 | – |
| 2025 Nov 28 18:57 | 2025 Nov 25 11:15:29 | 63.3186 | 0.07138 | 3.1585 | 114.6793 | 252.7811 | 13.50862 | – |
| 2025 Nov 27 18:57 | 2025 Nov 25 11:15:29 | 63.3186 | 0.07138 | 3.1585 | 114.6793 | 252.7811 | 13.50862 | – |
| 2025 Nov 26 18:57 | 2025 Nov 25 11:15:29 | 63.3186 | 0.07138 | 3.1585 | 114.6793 | 252.7811 | 13.50862 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 11:15:29 | 63.3186 | 0.07138 | 3.1585 | 114.6793 | 252.7811 | 13.50862 | – |
| 2025 Nov 24 18:56 | 2025 Nov 20 05:06:43 | 63.3190 | 0.07140 | 4.0788 | 114.6110 | 252.7811 | 13.50862 | – |
| 2025 Nov 23 18:57 | 2025 Nov 20 05:06:43 | 63.3190 | 0.07140 | 4.0788 | 114.6110 | 252.7811 | 13.50862 | – |