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 | 21281 |
| 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 Jun 12 17:56 | 2026 Jun 12 06:29:26 | 100.0007 | 0.00564 | 6.3342 | 308.5095 | 172.4421 | 13.34331 | – |
| 2026 Jun 11 17:57 | 2026 Jun 07 01:46:50 | 100.0006 | 0.00566 | 5.9959 | 321.0287 | 172.4421 | 13.34331 | – |
| 2026 Jun 10 17:56 | 2026 Jun 07 01:46:50 | 100.0006 | 0.00566 | 5.9959 | 321.0287 | 172.4421 | 13.34331 | – |
| 2026 Jun 09 17:57 | 2026 Jun 07 01:46:50 | 100.0006 | 0.00566 | 5.9959 | 321.0287 | 172.4421 | 13.34331 | – |
| 2026 Jun 08 17:56 | 2026 Jun 07 01:46:50 | 100.0006 | 0.00566 | 5.9959 | 321.0287 | 172.4421 | 13.34331 | – |
| 2026 Jun 07 17:56 | 2026 Jun 07 01:46:50 | 100.0006 | 0.00566 | 5.9959 | 321.0287 | 172.4421 | 13.34331 | – |
| 2026 Jun 06 17:56 | 2026 May 31 10:07:59 | 100.0007 | 0.00569 | 5.5628 | 336.9790 | 172.4421 | 13.34331 | – |
| 2026 Jun 05 17:56 | 2026 May 31 10:07:59 | 100.0007 | 0.00569 | 5.5628 | 336.9790 | 172.4421 | 13.34331 | – |
| 2026 Jun 04 17:57 | 2026 May 31 10:07:59 | 100.0007 | 0.00569 | 5.5628 | 336.9790 | 172.4421 | 13.34331 | – |
| 2026 Jun 02 17:56 | 2026 May 31 10:07:59 | 100.0007 | 0.00569 | 5.5628 | 336.9790 | 172.4421 | 13.34331 | – |
| 2026 Jun 01 17:57 | 2026 May 31 10:07:59 | 100.0007 | 0.00569 | 5.5628 | 336.9790 | 172.4421 | 13.34331 | – |
| 2026 May 31 17:58 | 2026 May 31 10:07:59 | 100.0007 | 0.00569 | 5.5628 | 336.9790 | 172.4421 | 13.34331 | – |
| 2026 May 30 17:57 | 2026 May 26 07:48:18 | 100.0006 | 0.00571 | 5.2310 | 349.1452 | 172.4421 | 13.34331 | – |
| 2026 May 29 17:57 | 2026 May 26 07:48:18 | 100.0006 | 0.00571 | 5.2310 | 349.1452 | 172.4421 | 13.34331 | – |
| 2026 May 28 17:56 | 2026 May 26 07:48:18 | 100.0006 | 0.00571 | 5.2310 | 349.1452 | 172.4421 | 13.34331 | – |
| 2026 May 27 17:57 | 2026 May 26 07:48:18 | 100.0006 | 0.00571 | 5.2310 | 349.1452 | 172.4421 | 13.34331 | – |
| 2026 May 26 17:57 | 2026 May 26 07:48:18 | 100.0006 | 0.00571 | 5.2310 | 349.1452 | 172.4421 | 13.34331 | – |
| 2026 May 25 17:57 | 2026 May 20 06:14:58 | 100.0004 | 0.00573 | 4.8362 | 3.5792 | 172.4421 | 13.34331 | – |
| 2026 May 24 17:57 | 2026 May 20 06:14:58 | 100.0004 | 0.00573 | 4.8362 | 3.5792 | 172.4421 | 13.34331 | – |
| 2026 May 23 17:58 | 2026 May 20 06:14:58 | 100.0004 | 0.00573 | 4.8362 | 3.5792 | 172.4421 | 13.34331 | – |
| 2026 May 22 17:57 | 2026 May 20 06:14:58 | 100.0004 | 0.00573 | 4.8362 | 3.5792 | 172.4421 | 13.34331 | – |
| 2026 May 21 17:57 | 2026 May 20 06:14:58 | 100.0004 | 0.00573 | 4.8362 | 3.5792 | 172.4421 | 13.34331 | – |
| 2026 May 20 17:57 | 2026 May 16 14:08:00 | 100.0004 | 0.00574 | 4.5972 | 12.2844 | 172.4421 | 13.34331 | – |
| 2026 May 19 17:58 | 2026 May 16 14:08:00 | 100.0004 | 0.00574 | 4.5972 | 12.2844 | 172.4421 | 13.34331 | – |
| 2026 May 18 17:57 | 2026 May 16 14:08:00 | 100.0004 | 0.00574 | 4.5972 | 12.2844 | 172.4421 | 13.34331 | – |
| 2026 May 17 17:57 | 2026 May 16 14:08:00 | 100.0004 | 0.00574 | 4.5972 | 12.2844 | 172.4421 | 13.34331 | – |
| 2026 May 16 17:56 | 2026 May 16 14:08:00 | 100.0004 | 0.00574 | 4.5972 | 12.2844 | 172.4421 | 13.34331 | – |