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 | 21371 |
| 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 13 17:58 | 2026 May 10 10:21:25 | 99.7749 | 0.01525 | 13.5057 | 199.3105 | 179.0737 | 13.14311 | – |
| 2026 May 12 17:58 | 2026 May 10 10:21:25 | 99.7749 | 0.01525 | 13.5057 | 199.3105 | 179.0737 | 13.14311 | – |
| 2026 May 11 17:56 | 2026 May 10 10:21:25 | 99.7749 | 0.01525 | 13.5057 | 199.3105 | 179.0737 | 13.14311 | – |
| 2026 May 10 17:57 | 2026 May 10 10:21:25 | 99.7749 | 0.01525 | 13.5057 | 199.3105 | 179.0737 | 13.14311 | – |
| 2026 May 09 17:57 | 2026 May 04 16:12:08 | 99.7750 | 0.01522 | 13.1518 | 212.7144 | 179.0737 | 13.14311 | – |
| 2026 May 08 17:57 | 2026 May 04 16:12:08 | 99.7750 | 0.01522 | 13.1518 | 212.7144 | 179.0737 | 13.14311 | – |
| 2026 May 07 17:58 | 2026 May 04 16:12:08 | 99.7750 | 0.01522 | 13.1518 | 212.7144 | 179.0737 | 13.14311 | – |
| 2026 May 06 17:57 | 2026 May 04 16:12:08 | 99.7750 | 0.01522 | 13.1518 | 212.7144 | 179.0737 | 13.14311 | – |
| 2026 May 05 17:57 | 2026 May 04 16:12:08 | 99.7750 | 0.01522 | 13.1518 | 212.7144 | 179.0737 | 13.14311 | – |
| 2026 May 04 17:57 | 2026 Apr 30 11:02:15 | 99.7754 | 0.01521 | 12.8926 | 222.5431 | 179.0737 | 13.14311 | – |
| 2026 May 03 17:57 | 2026 Apr 30 11:02:15 | 99.7754 | 0.01521 | 12.8926 | 222.5431 | 179.0737 | 13.14311 | – |
| 2026 May 02 17:57 | 2026 Apr 30 11:02:15 | 99.7754 | 0.01521 | 12.8926 | 222.5431 | 179.0737 | 13.14311 | – |
| 2026 May 01 17:56 | 2026 Apr 30 11:02:15 | 99.7754 | 0.01521 | 12.8926 | 222.5431 | 179.0737 | 13.14311 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 11:02:15 | 99.7754 | 0.01521 | 12.8926 | 222.5431 | 179.0737 | 13.14311 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 10:56:36 | 99.7762 | 0.01519 | 12.5235 | 236.5522 | 179.0737 | 13.14311 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 10:56:36 | 99.7762 | 0.01519 | 12.5235 | 236.5522 | 179.0737 | 13.14311 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 10:56:36 | 99.7762 | 0.01519 | 12.5235 | 236.5522 | 179.0737 | 13.14311 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 10:56:36 | 99.7762 | 0.01519 | 12.5235 | 236.5522 | 179.0737 | 13.14311 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 10:56:36 | 99.7762 | 0.01519 | 12.5235 | 236.5522 | 179.0737 | 13.14311 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 10:56:36 | 99.7762 | 0.01519 | 12.5235 | 236.5522 | 179.0737 | 13.14311 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 11:56:33 | 99.7762 | 0.01517 | 12.2186 | 248.1333 | 179.0737 | 13.14311 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 11:56:33 | 99.7762 | 0.01517 | 12.2186 | 248.1333 | 179.0737 | 13.14311 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 11:56:33 | 99.7762 | 0.01517 | 12.2186 | 248.1333 | 179.0737 | 13.14311 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 11:56:33 | 99.7762 | 0.01517 | 12.2186 | 248.1333 | 179.0737 | 13.14311 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 11:56:33 | 99.7762 | 0.01517 | 12.2186 | 248.1333 | 179.0737 | 13.14311 | – |
| 2026 Apr 18 17:56 | 2026 Apr 12 16:13:09 | 99.7768 | 0.01516 | 11.7992 | 264.0879 | 179.0737 | 13.14311 | – |
| 2026 Apr 16 17:57 | 2026 Apr 12 16:13:09 | 99.7768 | 0.01516 | 11.7992 | 264.0879 | 179.0737 | 13.14311 | – |