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 | 21550 |
| 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 15 17:56 | 2026 Jun 04 16:01:50 | 99.8510 | 0.05486 | 3.5589 | 25.5457 | 28.8291 | 12.46069 | – |
| 2026 Jun 14 17:57 | 2026 Jun 04 16:01:50 | 99.8510 | 0.05486 | 3.5589 | 25.5457 | 28.8291 | 12.46069 | – |
| 2026 Jun 13 17:56 | 2026 Jun 04 16:01:50 | 99.8510 | 0.05486 | 3.5589 | 25.5457 | 28.8291 | 12.46069 | – |
| 2026 Jun 12 17:56 | 2026 Jun 04 16:01:50 | 99.8510 | 0.05486 | 3.5589 | 25.5457 | 28.8291 | 12.46069 | – |
| 2026 Jun 11 17:57 | 2026 Jun 04 16:01:50 | 99.8510 | 0.05486 | 3.5589 | 25.5457 | 28.8291 | 12.46069 | – |
| 2026 Jun 10 17:56 | 2026 Jun 04 16:01:50 | 99.8510 | 0.05486 | 3.5589 | 25.5457 | 28.8291 | 12.46069 | – |
| 2026 Jun 09 17:57 | 2026 Jun 04 16:01:50 | 99.8510 | 0.05486 | 3.5589 | 25.5457 | 28.8291 | 12.46069 | – |
| 2026 Jun 08 17:56 | 2026 Jun 04 16:01:50 | 99.8510 | 0.05486 | 3.5589 | 25.5457 | 28.8291 | 12.46069 | – |
| 2026 Jun 07 17:56 | 2026 Jun 04 16:01:50 | 99.8510 | 0.05486 | 3.5589 | 25.5457 | 28.8291 | 12.46069 | – |
| 2026 Jun 06 17:56 | 2026 May 30 18:22:53 | 99.8515 | 0.05486 | 3.2893 | 35.6006 | 28.8291 | 12.46069 | – |
| 2026 Jun 05 17:56 | 2026 May 30 18:22:53 | 99.8515 | 0.05486 | 3.2893 | 35.6006 | 28.8291 | 12.46069 | – |
| 2026 Jun 04 17:57 | 2026 May 30 18:22:53 | 99.8515 | 0.05486 | 3.2893 | 35.6006 | 28.8291 | 12.46069 | – |
| 2026 Jun 02 17:56 | 2026 May 30 18:22:53 | 99.8515 | 0.05486 | 3.2893 | 35.6006 | 28.8291 | 12.46069 | – |
| 2026 Jun 01 17:57 | 2026 May 30 18:22:53 | 99.8515 | 0.05486 | 3.2893 | 35.6006 | 28.8291 | 12.46069 | – |
| 2026 May 31 17:58 | 2026 May 30 18:22:53 | 99.8515 | 0.05486 | 3.2893 | 35.6006 | 28.8291 | 12.46069 | – |
| 2026 May 30 17:57 | 2026 May 22 15:44:44 | 99.8518 | 0.05484 | 2.8433 | 52.2107 | 28.8291 | 12.46069 | – |
| 2026 May 29 17:57 | 2026 May 22 15:44:44 | 99.8518 | 0.05484 | 2.8433 | 52.2107 | 28.8291 | 12.46069 | – |
| 2026 May 28 17:56 | 2026 May 22 15:44:44 | 99.8518 | 0.05484 | 2.8433 | 52.2107 | 28.8291 | 12.46069 | – |
| 2026 May 27 17:57 | 2026 May 22 15:44:44 | 99.8518 | 0.05484 | 2.8433 | 52.2107 | 28.8291 | 12.46069 | – |
| 2026 May 26 17:57 | 2026 May 22 15:44:44 | 99.8518 | 0.05484 | 2.8433 | 52.2107 | 28.8291 | 12.46069 | – |
| 2026 May 25 17:57 | 2026 May 16 17:07:51 | 99.8526 | 0.05481 | 2.5166 | 64.4032 | 28.8291 | 12.46069 | – |
| 2026 May 24 17:57 | 2026 May 16 17:07:51 | 99.8526 | 0.05481 | 2.5166 | 64.4032 | 28.8291 | 12.46069 | – |
| 2026 May 23 17:58 | 2026 May 16 17:07:51 | 99.8526 | 0.05481 | 2.5166 | 64.4032 | 28.8291 | 12.46069 | – |
| 2026 May 22 17:57 | 2026 May 16 17:07:51 | 99.8526 | 0.05481 | 2.5166 | 64.4032 | 28.8291 | 12.46069 | – |
| 2026 May 21 17:57 | 2026 May 16 17:07:51 | 99.8526 | 0.05481 | 2.5166 | 64.4032 | 28.8291 | 12.46069 | – |
| 2026 May 20 17:57 | 2026 May 16 04:18:53 | 99.8526 | 0.05481 | 2.4872 | 65.4997 | 28.8291 | 12.46069 | – |
| 2026 May 19 17:58 | 2026 May 16 04:18:53 | 99.8526 | 0.05481 | 2.4872 | 65.4997 | 28.8291 | 12.46069 | – |