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 | 21515 |
| 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 Aug 01 17:57 | 2026 Aug 01 01:52:56 | 99.6991 | 0.02752 | 17.1881 | 131.2001 | 260.9582 | 12.98799 | – |
| 2026 Jul 31 17:56 | 2026 Jul 27 09:33:49 | 99.7000 | 0.02752 | 16.9101 | 141.7520 | 260.9582 | 12.98799 | – |
| 2026 Jul 30 17:57 | 2026 Jul 27 09:33:49 | 99.7000 | 0.02752 | 16.9101 | 141.7520 | 260.9582 | 12.98799 | – |
| 2026 Jul 29 17:57 | 2026 Jul 27 09:33:49 | 99.7000 | 0.02752 | 16.9101 | 141.7520 | 260.9582 | 12.98799 | – |
| 2026 Jul 28 17:57 | 2026 Jul 27 09:33:49 | 99.7000 | 0.02752 | 16.9101 | 141.7520 | 260.9582 | 12.98799 | – |
| 2026 Jul 27 17:57 | 2026 Jul 27 09:33:49 | 99.7000 | 0.02752 | 16.9101 | 141.7520 | 260.9582 | 12.98799 | – |
| 2026 Jul 26 17:56 | 2026 Jul 21 01:30:55 | 99.7001 | 0.02749 | 16.5338 | 156.0569 | 260.9582 | 12.98799 | – |
| 2026 Jul 25 17:57 | 2026 Jul 21 01:30:55 | 99.7001 | 0.02749 | 16.5338 | 156.0569 | 260.9582 | 12.98799 | – |
| 2026 Jul 24 17:56 | 2026 Jul 21 01:30:55 | 99.7001 | 0.02749 | 16.5338 | 156.0569 | 260.9582 | 12.98799 | – |
| 2026 Jul 23 17:57 | 2026 Jul 21 01:30:55 | 99.7001 | 0.02749 | 16.5338 | 156.0569 | 260.9582 | 12.98799 | – |
| 2026 Jul 22 17:57 | 2026 Jul 21 01:30:55 | 99.7001 | 0.02749 | 16.5338 | 156.0569 | 260.9582 | 12.98799 | – |
| 2026 Jul 21 17:57 | 2026 Jul 21 01:30:55 | 99.7001 | 0.02749 | 16.5338 | 156.0569 | 260.9582 | 12.98799 | – |
| 2026 Jul 20 17:57 | 2026 Jul 16 01:20:29 | 99.6998 | 0.02747 | 16.2364 | 167.3698 | 260.9582 | 12.98799 | – |
| 2026 Jul 19 19:06 | 2026 Jul 16 01:20:29 | 99.6998 | 0.02747 | 16.2364 | 167.3698 | 260.9582 | 12.98799 | – |
| 2026 Jul 19 17:57 | 2026 Jul 16 01:20:29 | 99.6998 | 0.02747 | 16.2364 | 167.3698 | 260.9582 | 12.98799 | – |
| 2026 Jul 18 17:57 | 2026 Jul 16 01:20:29 | 99.6998 | 0.02747 | 16.2364 | 167.3698 | 260.9582 | 12.98799 | – |
| 2026 Jul 17 17:57 | 2026 Jul 16 01:20:29 | 99.6998 | 0.02747 | 16.2364 | 167.3698 | 260.9582 | 12.98799 | – |
| 2026 Jul 16 17:56 | 2026 Jul 16 01:20:29 | 99.6998 | 0.02747 | 16.2364 | 167.3698 | 260.9582 | 12.98799 | – |
| 2026 Jul 15 17:57 | 2026 Jul 11 09:04:39 | 99.6992 | 0.02745 | 15.9586 | 177.9616 | 260.9582 | 12.98799 | – |
| 2026 Jul 14 17:56 | 2026 Jul 11 09:04:39 | 99.6992 | 0.02745 | 15.9586 | 177.9616 | 260.9582 | 12.98799 | – |
| 2026 Jul 13 17:56 | 2026 Jul 11 09:04:39 | 99.6992 | 0.02745 | 15.9586 | 177.9616 | 260.9582 | 12.98799 | – |
| 2026 Jul 12 17:56 | 2026 Jul 11 09:04:39 | 99.6992 | 0.02745 | 15.9586 | 177.9616 | 260.9582 | 12.98799 | – |
| 2026 Jul 11 17:56 | 2026 Jul 11 09:04:39 | 99.6992 | 0.02745 | 15.9586 | 177.9616 | 260.9582 | 12.98799 | – |
| 2026 Jul 09 17:56 | 2026 Jul 05 02:46:44 | 99.6996 | 0.02741 | 15.5867 | 192.1127 | 260.9582 | 12.98799 | – |
| 2026 Jul 08 17:56 | 2026 Jul 05 02:46:44 | 99.6996 | 0.02741 | 15.5867 | 192.1127 | 260.9582 | 12.98799 | – |
| 2026 Jul 07 17:56 | 2026 Jul 05 02:46:44 | 99.6996 | 0.02741 | 15.5867 | 192.1127 | 260.9582 | 12.98799 | – |
| 2026 Jul 06 17:57 | 2026 Jul 05 02:46:44 | 99.6996 | 0.02741 | 15.5867 | 192.1127 | 260.9582 | 12.98799 | – |
| 2026 Jul 05 17:56 | 2026 Jul 05 02:46:44 | 99.6996 | 0.02741 | 15.5867 | 192.1127 | 260.9582 | 12.98799 | – |