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 | 21498 |
| 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 05:51:27 | 99.7115 | 0.02617 | 2.8001 | 169.1619 | 348.6092 | 12.95273 | – |
| 2026 May 02 17:57 | 2026 Apr 30 05:51:27 | 99.7115 | 0.02617 | 2.8001 | 169.1619 | 348.6092 | 12.95273 | – |
| 2026 May 01 17:56 | 2026 Apr 30 05:51:27 | 99.7115 | 0.02617 | 2.8001 | 169.1619 | 348.6092 | 12.95273 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 05:51:27 | 99.7115 | 0.02617 | 2.8001 | 169.1619 | 348.6092 | 12.95273 | – |
| 2026 Apr 29 17:57 | 2026 Apr 21 06:47:48 | 99.7106 | 0.02614 | 2.2707 | 189.4996 | 348.6092 | 12.95273 | – |
| 2026 Apr 28 17:56 | 2026 Apr 21 06:47:48 | 99.7106 | 0.02614 | 2.2707 | 189.4996 | 348.6092 | 12.95273 | – |
| 2026 Apr 27 17:58 | 2026 Apr 21 06:47:48 | 99.7106 | 0.02614 | 2.2707 | 189.4996 | 348.6092 | 12.95273 | – |
| 2026 Apr 26 17:58 | 2026 Apr 21 06:47:48 | 99.7106 | 0.02614 | 2.2707 | 189.4996 | 348.6092 | 12.95273 | – |
| 2026 Apr 25 17:58 | 2026 Apr 21 06:47:48 | 99.7106 | 0.02614 | 2.2707 | 189.4996 | 348.6092 | 12.95273 | – |
| 2026 Apr 24 17:59 | 2026 Apr 21 06:47:48 | 99.7106 | 0.02614 | 2.2707 | 189.4996 | 348.6092 | 12.95273 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 06:37:58 | 99.7105 | 0.02613 | 2.1522 | 194.0489 | 348.6092 | 12.95273 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 06:37:58 | 99.7105 | 0.02613 | 2.1522 | 194.0489 | 348.6092 | 12.95273 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 06:37:58 | 99.7105 | 0.02613 | 2.1522 | 194.0489 | 348.6092 | 12.95273 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 06:37:58 | 99.7105 | 0.02613 | 2.1522 | 194.0489 | 348.6092 | 12.95273 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 06:37:58 | 99.7105 | 0.02613 | 2.1522 | 194.0489 | 348.6092 | 12.95273 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 06:01:09 | 99.7104 | 0.02612 | 1.7963 | 207.7489 | 348.6092 | 12.95273 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 06:01:09 | 99.7104 | 0.02612 | 1.7963 | 207.7489 | 348.6092 | 12.95273 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 06:01:09 | 99.7104 | 0.02612 | 1.7963 | 207.7489 | 348.6092 | 12.95273 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 06:01:09 | 99.7104 | 0.02612 | 1.7963 | 207.7489 | 348.6092 | 12.95273 | – |
| 2026 Apr 12 17:57 | 2026 Apr 07 07:16:03 | 99.7101 | 0.02613 | 1.4449 | 221.2833 | 348.6092 | 12.95273 | – |
| 2026 Apr 11 17:57 | 2026 Apr 07 07:16:03 | 99.7101 | 0.02613 | 1.4449 | 221.2833 | 348.6092 | 12.95273 | – |
| 2026 Apr 10 17:58 | 2026 Apr 07 07:16:03 | 99.7101 | 0.02613 | 1.4449 | 221.2833 | 348.6092 | 12.95273 | – |
| 2026 Apr 09 18:01 | 2026 Apr 07 07:16:03 | 99.7101 | 0.02613 | 1.4449 | 221.2833 | 348.6092 | 12.95273 | – |
| 2026 Apr 08 17:57 | 2026 Apr 07 07:16:03 | 99.7101 | 0.02613 | 1.4449 | 221.2833 | 348.6092 | 12.95273 | – |
| 2026 Apr 07 17:57 | 2026 Apr 01 06:40:50 | 99.7103 | 0.02614 | 1.0891 | 234.9657 | 348.6092 | 12.95273 | – |
| 2026 Apr 06 17:57 | 2026 Apr 01 06:40:50 | 99.7103 | 0.02614 | 1.0891 | 234.9657 | 348.6092 | 12.95273 | – |