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 | 21290 |
| 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 Apr 08 17:57 | 2026 Apr 07 04:57:01 | 99.5573 | 0.05118 | 0.8964 | 316.2062 | 210.9471 | 12.43364 | – |
| 2026 Apr 07 17:57 | 2026 Apr 02 05:11:28 | 99.5578 | 0.05120 | 0.6316 | 326.5259 | 210.9471 | 12.43364 | – |
| 2026 Apr 06 17:57 | 2026 Apr 02 05:11:28 | 99.5578 | 0.05120 | 0.6316 | 326.5259 | 210.9471 | 12.43364 | – |
| 2026 Apr 05 17:56 | 2026 Apr 02 05:11:28 | 99.5578 | 0.05120 | 0.6316 | 326.5259 | 210.9471 | 12.43364 | – |
| 2026 Apr 04 17:57 | 2026 Apr 02 05:11:28 | 99.5578 | 0.05120 | 0.6316 | 326.5259 | 210.9471 | 12.43364 | – |
| 2026 Apr 03 17:56 | 2026 Apr 02 05:11:28 | 99.5578 | 0.05120 | 0.6316 | 326.5259 | 210.9471 | 12.43364 | – |
| 2026 Apr 02 18:03 | 2026 Apr 02 05:11:28 | 99.5578 | 0.05120 | 0.6316 | 326.5259 | 210.9471 | 12.43364 | – |
| 2026 Mar 31 17:57 | 2026 Mar 25 05:58:25 | 99.5577 | 0.05124 | 0.2088 | 342.9881 | 210.9471 | 12.43364 | – |
| 2026 Mar 30 17:58 | 2026 Mar 25 05:58:25 | 99.5577 | 0.05124 | 0.2088 | 342.9881 | 210.9471 | 12.43364 | – |
| 2026 Mar 29 17:57 | 2026 Mar 25 05:58:25 | 99.5577 | 0.05124 | 0.2088 | 342.9881 | 210.9471 | 12.43364 | – |
| 2026 Mar 28 18:57 | 2026 Mar 25 05:58:25 | 99.5577 | 0.05124 | 0.2088 | 342.9881 | 210.9471 | 12.43364 | – |
| 2026 Mar 27 18:57 | 2026 Mar 25 05:58:25 | 99.5577 | 0.05124 | 0.2088 | 342.9881 | 210.9471 | 12.43364 | – |
| 2026 Mar 26 18:57 | 2026 Mar 25 05:58:25 | 99.5577 | 0.05124 | 0.2088 | 342.9881 | 210.9471 | 12.43364 | – |
| 2026 Mar 25 18:56 | 2026 Mar 19 17:57:45 | 99.5581 | 0.05126 | 23.9170 | 354.3472 | 210.9471 | 12.43364 | – |
| 2026 Mar 24 18:56 | 2026 Mar 19 17:57:45 | 99.5581 | 0.05126 | 23.9170 | 354.3472 | 210.9471 | 12.43364 | – |
| 2026 Mar 23 18:56 | 2026 Mar 19 17:57:45 | 99.5581 | 0.05126 | 23.9170 | 354.3472 | 210.9471 | 12.43364 | – |
| 2026 Mar 22 18:56 | 2026 Mar 19 17:57:45 | 99.5581 | 0.05126 | 23.9170 | 354.3472 | 210.9471 | 12.43364 | – |
| 2026 Mar 21 19:05 | 2026 Mar 19 17:57:45 | 99.5581 | 0.05126 | 23.9170 | 354.3472 | 210.9471 | 12.43364 | – |
| 2026 Mar 20 18:57 | 2026 Mar 19 17:57:45 | 99.5581 | 0.05126 | 23.9170 | 354.3472 | 210.9471 | 12.43364 | – |
| 2026 Mar 19 18:56 | 2026 Mar 14 18:13:10 | 99.5583 | 0.05127 | 23.6522 | 4.6401 | 210.9471 | 12.43364 | – |
| 2026 Mar 18 18:56 | 2026 Mar 14 18:13:10 | 99.5583 | 0.05127 | 23.6522 | 4.6401 | 210.9471 | 12.43364 | – |
| 2026 Mar 17 18:56 | 2026 Mar 14 18:13:10 | 99.5583 | 0.05127 | 23.6522 | 4.6401 | 210.9471 | 12.43364 | – |
| 2026 Mar 16 18:57 | 2026 Mar 14 18:13:10 | 99.5583 | 0.05127 | 23.6522 | 4.6401 | 210.9471 | 12.43364 | – |
| 2026 Mar 15 18:56 | 2026 Mar 14 18:13:10 | 99.5583 | 0.05127 | 23.6522 | 4.6401 | 210.9471 | 12.43364 | – |
| 2026 Mar 14 18:56 | 2026 Mar 10 06:45:56 | 99.5584 | 0.05128 | 23.4147 | 13.8798 | 210.9471 | 12.43364 | – |
| 2026 Mar 13 18:57 | 2026 Mar 10 06:45:56 | 99.5584 | 0.05128 | 23.4147 | 13.8798 | 210.9471 | 12.43364 | – |
| 2026 Mar 12 18:57 | 2026 Mar 10 06:45:56 | 99.5584 | 0.05128 | 23.4147 | 13.8798 | 210.9471 | 12.43364 | – |