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 | 21377 |
| 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 May 03 17:57 | 2026 Apr 30 14:02:56 | 100.2975 | 0.02285 | 8.6876 | 137.7254 | 345.1795 | 13.36625 | – |
| 2026 May 02 17:57 | 2026 Apr 30 14:02:56 | 100.2975 | 0.02285 | 8.6876 | 137.7254 | 345.1795 | 13.36625 | – |
| 2026 May 01 17:56 | 2026 Apr 30 14:02:56 | 100.2975 | 0.02285 | 8.6876 | 137.7254 | 345.1795 | 13.36625 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 14:02:56 | 100.2975 | 0.02285 | 8.6876 | 137.7254 | 345.1795 | 13.36625 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 12:40:41 | 100.2980 | 0.02278 | 8.2796 | 151.9720 | 345.1795 | 13.36625 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 12:40:41 | 100.2980 | 0.02278 | 8.2796 | 151.9720 | 345.1795 | 13.36625 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 12:40:41 | 100.2980 | 0.02278 | 8.2796 | 151.9720 | 345.1795 | 13.36625 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 12:40:41 | 100.2980 | 0.02278 | 8.2796 | 151.9720 | 345.1795 | 13.36625 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 12:40:41 | 100.2980 | 0.02278 | 8.2796 | 151.9720 | 345.1795 | 13.36625 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 12:40:41 | 100.2980 | 0.02278 | 8.2796 | 151.9720 | 345.1795 | 13.36625 | – |
| 2026 Apr 23 17:57 | 2026 Apr 18 23:08:22 | 100.2987 | 0.02270 | 7.9048 | 165.1091 | 345.1795 | 13.36625 | – |
| 2026 Apr 22 17:57 | 2026 Apr 18 23:08:22 | 100.2987 | 0.02270 | 7.9048 | 165.1091 | 345.1795 | 13.36625 | – |
| 2026 Apr 21 17:57 | 2026 Apr 18 23:08:22 | 100.2987 | 0.02270 | 7.9048 | 165.1091 | 345.1795 | 13.36625 | – |
| 2026 Apr 20 17:57 | 2026 Apr 18 23:08:22 | 100.2987 | 0.02270 | 7.9048 | 165.1091 | 345.1795 | 13.36625 | – |
| 2026 Apr 19 17:58 | 2026 Apr 18 23:08:22 | 100.2987 | 0.02270 | 7.9048 | 165.1091 | 345.1795 | 13.36625 | – |
| 2026 Apr 18 17:56 | 2026 Apr 12 23:24:36 | 100.2993 | 0.02262 | 7.5014 | 179.3044 | 345.1795 | 13.36625 | – |
| 2026 Apr 16 17:57 | 2026 Apr 12 23:24:36 | 100.2993 | 0.02262 | 7.5014 | 179.3044 | 345.1795 | 13.36625 | – |
| 2026 Apr 14 17:57 | 2026 Apr 12 23:24:36 | 100.2993 | 0.02262 | 7.5014 | 179.3044 | 345.1795 | 13.36625 | – |
| 2026 Apr 13 17:57 | 2026 Apr 12 23:24:36 | 100.2993 | 0.02262 | 7.5014 | 179.3044 | 345.1795 | 13.36625 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 12:14:14 | 100.2997 | 0.02256 | 7.2006 | 189.9182 | 345.1795 | 13.36625 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 12:14:14 | 100.2997 | 0.02256 | 7.2006 | 189.9182 | 345.1795 | 13.36625 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 12:14:14 | 100.2997 | 0.02256 | 7.2006 | 189.9182 | 345.1795 | 13.36625 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 12:14:14 | 100.2997 | 0.02256 | 7.2006 | 189.9182 | 345.1795 | 13.36625 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 12:14:14 | 100.2997 | 0.02256 | 7.2006 | 189.9182 | 345.1795 | 13.36625 | – |
| 2026 Apr 07 17:57 | 2026 Apr 01 21:43:06 | 100.3002 | 0.02249 | 6.7557 | 205.6720 | 345.1795 | 13.36625 | – |
| 2026 Apr 06 17:57 | 2026 Apr 01 21:43:06 | 100.3002 | 0.02249 | 6.7557 | 205.6720 | 345.1795 | 13.36625 | – |