Orbital elements of DELTA 1 R/B
| Launched | 2 February 1971 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 4903 |
| 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 26 18:56 | 2025 Dec 26 05:26:44 | 25.5716 | 0.58243 | 18.6387 | 72.4851 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 25 18:57 | 2025 Dec 20 02:36:59 | 25.5747 | 0.58248 | 18.9684 | 64.1020 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 24 18:56 | 2025 Dec 20 02:36:59 | 25.5747 | 0.58248 | 18.9684 | 64.1020 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 23 18:56 | 2025 Dec 20 02:36:59 | 25.5747 | 0.58248 | 18.9684 | 64.1020 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 22 18:57 | 2025 Dec 20 02:36:59 | 25.5747 | 0.58248 | 18.9684 | 64.1020 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 21 18:57 | 2025 Dec 20 02:36:59 | 25.5747 | 0.58248 | 18.9684 | 64.1020 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 20 18:57 | 2025 Dec 20 02:36:59 | 25.5747 | 0.58248 | 18.9684 | 64.1020 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 19 18:57 | 2025 Dec 12 02:35:07 | 25.5820 | 0.58255 | 19.3995 | 53.1434 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 18 18:57 | 2025 Dec 12 02:35:07 | 25.5820 | 0.58255 | 19.3995 | 53.1434 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 17 18:58 | 2025 Dec 12 02:35:07 | 25.5820 | 0.58255 | 19.3995 | 53.1434 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 16 18:57 | 2025 Dec 12 02:35:07 | 25.5820 | 0.58255 | 19.3995 | 53.1434 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 15 18:58 | 2025 Dec 12 02:35:07 | 25.5820 | 0.58255 | 19.3995 | 53.1434 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 14 18:56 | 2025 Dec 12 02:35:07 | 25.5820 | 0.58255 | 19.3995 | 53.1434 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 13 18:56 | 2025 Dec 12 02:35:07 | 25.5820 | 0.58255 | 19.3995 | 53.1434 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 12 18:57 | 2025 Dec 12 02:35:07 | 25.5820 | 0.58255 | 19.3995 | 53.1434 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 11 18:56 | 2025 Dec 07 03:57:45 | 25.5887 | 0.58258 | 19.6659 | 46.3702 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 10 18:56 | 2025 Dec 07 03:57:45 | 25.5887 | 0.58258 | 19.6659 | 46.3702 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 09 18:56 | 2025 Dec 07 03:57:45 | 25.5887 | 0.58258 | 19.6659 | 46.3702 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 08 18:56 | 2025 Dec 07 03:57:45 | 25.5887 | 0.58258 | 19.6659 | 46.3702 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 07 18:56 | 2025 Dec 07 03:57:45 | 25.5887 | 0.58258 | 19.6659 | 46.3702 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 06 18:56 | 2025 Dec 02 05:19:41 | 25.5965 | 0.58264 | 19.9320 | 39.6033 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 05 18:57 | 2025 Dec 02 05:19:41 | 25.5965 | 0.58264 | 19.9320 | 39.6033 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 04 18:57 | 2025 Dec 02 05:19:41 | 25.5965 | 0.58264 | 19.9320 | 39.6033 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 03 18:56 | 2025 Dec 02 05:19:41 | 25.5965 | 0.58264 | 19.9320 | 39.6033 | 340.7410 | 4.24863 | 7.743 |
| 2025 Dec 02 18:56 | 2025 Dec 02 05:19:41 | 25.5965 | 0.58264 | 19.9320 | 39.6033 | 340.7410 | 4.24863 | 7.743 |
| 2025 Nov 30 18:57 | 2025 Nov 25 03:49:51 | 25.6065 | 0.58270 | 20.3121 | 29.9333 | 340.7410 | 4.24863 | 7.743 |
| 2025 Nov 29 18:56 | 2025 Nov 25 03:49:51 | 25.6065 | 0.58270 | 20.3121 | 29.9333 | 340.7410 | 4.24863 | 7.743 |