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 | 21473 |
| 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 11:11:54 | 99.9241 | 0.02405 | 20.6984 | 87.0399 | 338.6354 | 13.61275 | – |
| 2026 May 03 17:57 | 2026 Apr 30 11:11:54 | 99.9241 | 0.02405 | 20.6984 | 87.0399 | 338.6354 | 13.61275 | – |
| 2026 May 02 17:57 | 2026 Apr 30 11:11:54 | 99.9241 | 0.02405 | 20.6984 | 87.0399 | 338.6354 | 13.61275 | – |
| 2026 May 01 17:56 | 2026 Apr 30 11:11:54 | 99.9241 | 0.02405 | 20.6984 | 87.0399 | 338.6354 | 13.61275 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 11:11:54 | 99.9241 | 0.02405 | 20.6984 | 87.0399 | 338.6354 | 13.61275 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 12:16:56 | 99.9245 | 0.02405 | 20.2950 | 101.9526 | 338.6354 | 13.61275 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 12:16:56 | 99.9245 | 0.02405 | 20.2950 | 101.9526 | 338.6354 | 13.61275 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 12:16:56 | 99.9245 | 0.02405 | 20.2950 | 101.9526 | 338.6354 | 13.61275 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 12:16:56 | 99.9245 | 0.02405 | 20.2950 | 101.9526 | 338.6354 | 13.61275 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 12:16:56 | 99.9245 | 0.02405 | 20.2950 | 101.9526 | 338.6354 | 13.61275 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 12:16:56 | 99.9245 | 0.02405 | 20.2950 | 101.9526 | 338.6354 | 13.61275 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 12:20:05 | 99.9245 | 0.02405 | 19.9564 | 114.4739 | 338.6354 | 13.61275 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 12:20:05 | 99.9245 | 0.02405 | 19.9564 | 114.4739 | 338.6354 | 13.61275 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 12:20:05 | 99.9245 | 0.02405 | 19.9564 | 114.4739 | 338.6354 | 13.61275 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 12:20:05 | 99.9245 | 0.02405 | 19.9564 | 114.4739 | 338.6354 | 13.61275 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 12:20:05 | 99.9245 | 0.02405 | 19.9564 | 114.4739 | 338.6354 | 13.61275 | – |
| 2026 Apr 18 17:56 | 2026 Apr 12 11:00:57 | 99.9250 | 0.02403 | 19.4784 | 132.1533 | 338.6354 | 13.61275 | – |
| 2026 Apr 16 17:57 | 2026 Apr 12 11:00:57 | 99.9250 | 0.02403 | 19.4784 | 132.1533 | 338.6354 | 13.61275 | – |
| 2026 Apr 14 17:57 | 2026 Apr 12 11:00:57 | 99.9250 | 0.02403 | 19.4784 | 132.1533 | 338.6354 | 13.61275 | – |
| 2026 Apr 13 17:57 | 2026 Apr 12 11:00:57 | 99.9250 | 0.02403 | 19.4784 | 132.1533 | 338.6354 | 13.61275 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 11:43:53 | 99.9246 | 0.02403 | 19.2094 | 142.1173 | 338.6354 | 13.61275 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 11:43:53 | 99.9246 | 0.02403 | 19.2094 | 142.1173 | 338.6354 | 13.61275 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 11:43:53 | 99.9246 | 0.02403 | 19.2094 | 142.1173 | 338.6354 | 13.61275 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 11:43:53 | 99.9246 | 0.02403 | 19.2094 | 142.1173 | 338.6354 | 13.61275 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 11:43:53 | 99.9246 | 0.02403 | 19.2094 | 142.1173 | 338.6354 | 13.61275 | – |
| 2026 Apr 07 17:57 | 2026 Apr 01 10:28:21 | 99.9241 | 0.02402 | 18.7316 | 159.8160 | 338.6354 | 13.61275 | – |