Orbital elements of DELTA 1 DEB
| Launched | 11 June 1975 |
| Flight ended | – |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 21570 |
| 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 |
| 2026 Jan 01 18:56 | 2025 Dec 31 14:11:04 | 99.5419 | 0.06888 | 14.8985 | 48.8895 | 7.5514 | 12.09008 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 14:11:04 | 99.5419 | 0.06888 | 14.8985 | 48.8895 | 7.5514 | 12.09008 | – |
| 2025 Dec 30 18:56 | 2025 Dec 25 13:16:17 | 99.5389 | 0.06864 | 14.5977 | 60.6726 | 7.5514 | 12.09008 | – |
| 2025 Dec 29 18:56 | 2025 Dec 25 13:16:17 | 99.5389 | 0.06864 | 14.5977 | 60.6726 | 7.5514 | 12.09008 | – |
| 2025 Dec 28 18:57 | 2025 Dec 25 13:16:17 | 99.5389 | 0.06864 | 14.5977 | 60.6726 | 7.5514 | 12.09008 | – |
| 2025 Dec 27 18:57 | 2025 Dec 25 13:16:17 | 99.5389 | 0.06864 | 14.5977 | 60.6726 | 7.5514 | 12.09008 | – |
| 2025 Dec 26 18:56 | 2025 Dec 25 13:16:17 | 99.5389 | 0.06864 | 14.5977 | 60.6726 | 7.5514 | 12.09008 | – |
| 2025 Dec 25 18:57 | 2025 Dec 18 14:14:42 | 99.5392 | 0.06840 | 14.2511 | 74.2967 | 7.5514 | 12.09008 | – |
| 2025 Dec 24 18:56 | 2025 Dec 18 14:14:42 | 99.5392 | 0.06840 | 14.2511 | 74.2967 | 7.5514 | 12.09008 | – |
| 2025 Dec 23 18:56 | 2025 Dec 18 14:14:42 | 99.5392 | 0.06840 | 14.2511 | 74.2967 | 7.5514 | 12.09008 | – |
| 2025 Dec 22 18:57 | 2025 Dec 18 14:14:42 | 99.5392 | 0.06840 | 14.2511 | 74.2967 | 7.5514 | 12.09008 | – |
| 2025 Dec 21 18:57 | 2025 Dec 18 14:14:42 | 99.5392 | 0.06840 | 14.2511 | 74.2967 | 7.5514 | 12.09008 | – |
| 2025 Dec 20 18:57 | 2025 Dec 18 14:14:42 | 99.5392 | 0.06840 | 14.2511 | 74.2967 | 7.5514 | 12.09008 | – |
| 2025 Dec 19 18:57 | 2025 Dec 09 21:37:16 | 99.5389 | 0.06811 | 13.8184 | 91.3794 | 7.5514 | 12.09008 | – |
| 2025 Dec 18 18:57 | 2025 Dec 09 21:37:16 | 99.5389 | 0.06811 | 13.8184 | 91.3794 | 7.5514 | 12.09008 | – |
| 2025 Dec 17 18:58 | 2025 Dec 09 21:37:16 | 99.5389 | 0.06811 | 13.8184 | 91.3794 | 7.5514 | 12.09008 | – |
| 2025 Dec 16 18:57 | 2025 Dec 09 21:37:16 | 99.5389 | 0.06811 | 13.8184 | 91.3794 | 7.5514 | 12.09008 | – |
| 2025 Dec 15 18:58 | 2025 Dec 09 21:37:16 | 99.5389 | 0.06811 | 13.8184 | 91.3794 | 7.5514 | 12.09008 | – |
| 2025 Dec 14 18:56 | 2025 Dec 09 21:37:16 | 99.5389 | 0.06811 | 13.8184 | 91.3794 | 7.5514 | 12.09008 | – |
| 2025 Dec 13 18:56 | 2025 Dec 09 21:37:16 | 99.5389 | 0.06811 | 13.8184 | 91.3794 | 7.5514 | 12.09008 | – |
| 2025 Dec 12 18:57 | 2025 Dec 09 21:37:16 | 99.5389 | 0.06811 | 13.8184 | 91.3794 | 7.5514 | 12.09008 | – |
| 2025 Dec 11 18:56 | 2025 Dec 06 22:07:21 | 99.5387 | 0.06802 | 13.6701 | 97.2552 | 7.5514 | 12.09008 | – |
| 2025 Dec 10 18:56 | 2025 Dec 06 22:07:21 | 99.5387 | 0.06802 | 13.6701 | 97.2552 | 7.5514 | 12.09008 | – |
| 2025 Dec 09 18:56 | 2025 Dec 06 22:07:21 | 99.5387 | 0.06802 | 13.6701 | 97.2552 | 7.5514 | 12.09008 | – |
| 2025 Dec 08 18:56 | 2025 Dec 06 22:07:21 | 99.5387 | 0.06802 | 13.6701 | 97.2552 | 7.5514 | 12.09008 | – |
| 2025 Dec 07 18:56 | 2025 Dec 06 22:07:21 | 99.5387 | 0.06802 | 13.6701 | 97.2552 | 7.5514 | 12.09008 | – |
| 2025 Dec 06 18:56 | 2025 Nov 29 13:37:07 | 99.5367 | 0.06785 | 13.3039 | 111.7561 | 7.5514 | 12.09008 | – |
| 2025 Dec 05 18:57 | 2025 Nov 29 13:37:07 | 99.5367 | 0.06785 | 13.3039 | 111.7561 | 7.5514 | 12.09008 | – |