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 | 21276 |
| 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 04 17:57 | 2026 Apr 30 15:08:28 | 100.0123 | 0.00455 | 1.3910 | 221.2517 | 199.9551 | 13.35574 | – |
| 2026 May 03 17:57 | 2026 Apr 30 15:08:28 | 100.0123 | 0.00455 | 1.3910 | 221.2517 | 199.9551 | 13.35574 | – |
| 2026 May 02 17:57 | 2026 Apr 30 15:08:28 | 100.0123 | 0.00455 | 1.3910 | 221.2517 | 199.9551 | 13.35574 | – |
| 2026 May 01 17:56 | 2026 Apr 30 15:08:28 | 100.0123 | 0.00455 | 1.3910 | 221.2517 | 199.9551 | 13.35574 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 15:08:28 | 100.0123 | 0.00455 | 1.3910 | 221.2517 | 199.9551 | 13.35574 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 13:32:46 | 100.0125 | 0.00454 | 0.9948 | 236.0108 | 199.9551 | 13.35574 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 13:32:46 | 100.0125 | 0.00454 | 0.9948 | 236.0108 | 199.9551 | 13.35574 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 13:32:46 | 100.0125 | 0.00454 | 0.9948 | 236.0108 | 199.9551 | 13.35574 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 13:32:46 | 100.0125 | 0.00454 | 0.9948 | 236.0108 | 199.9551 | 13.35574 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 13:32:46 | 100.0125 | 0.00454 | 0.9948 | 236.0108 | 199.9551 | 13.35574 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 13:32:46 | 100.0125 | 0.00454 | 0.9948 | 236.0108 | 199.9551 | 13.35574 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 11:49:03 | 100.0130 | 0.00453 | 0.6635 | 248.3623 | 199.9551 | 13.35574 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 11:49:03 | 100.0130 | 0.00453 | 0.6635 | 248.3623 | 199.9551 | 13.35574 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 11:49:03 | 100.0130 | 0.00453 | 0.6635 | 248.3623 | 199.9551 | 13.35574 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 11:49:03 | 100.0130 | 0.00453 | 0.6635 | 248.3623 | 199.9551 | 13.35574 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 11:49:03 | 100.0130 | 0.00453 | 0.6635 | 248.3623 | 199.9551 | 13.35574 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 06:16:44 | 100.0136 | 0.00454 | 0.2566 | 263.5322 | 199.9551 | 13.35574 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 06:16:44 | 100.0136 | 0.00454 | 0.2566 | 263.5322 | 199.9551 | 13.35574 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 06:16:44 | 100.0136 | 0.00454 | 0.2566 | 263.5322 | 199.9551 | 13.35574 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 06:16:44 | 100.0136 | 0.00454 | 0.2566 | 263.5322 | 199.9551 | 13.35574 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 14:34:23 | 100.0140 | 0.00454 | 23.9526 | 274.8587 | 199.9551 | 13.35574 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 14:34:23 | 100.0140 | 0.00454 | 23.9526 | 274.8587 | 199.9551 | 13.35574 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 14:34:23 | 100.0140 | 0.00454 | 23.9526 | 274.8587 | 199.9551 | 13.35574 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 14:34:23 | 100.0140 | 0.00454 | 23.9526 | 274.8587 | 199.9551 | 13.35574 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 14:34:23 | 100.0140 | 0.00454 | 23.9526 | 274.8587 | 199.9551 | 13.35574 | – |
| 2026 Apr 07 17:57 | 2026 Apr 02 07:46:44 | 100.0148 | 0.00455 | 23.5421 | 290.1181 | 199.9551 | 13.35574 | – |