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 Jan 30 18:57 | 2026 Jan 27 18:07:36 | 99.8550 | 0.05483 | 20.5230 | 289.1460 | 89.2042 | 12.46025 | – |
| 2026 Jan 29 18:56 | 2026 Jan 27 18:07:36 | 99.8550 | 0.05483 | 20.5230 | 289.1460 | 89.2042 | 12.46025 | – |
| 2026 Jan 28 18:56 | 2026 Jan 27 18:07:36 | 99.8550 | 0.05483 | 20.5230 | 289.1460 | 89.2042 | 12.46025 | – |
| 2026 Jan 27 18:56 | 2026 Jan 22 05:55:24 | 99.8556 | 0.05490 | 20.2199 | 300.4513 | 89.2042 | 12.46025 | – |
| 2026 Jan 26 18:57 | 2026 Jan 22 05:55:24 | 99.8556 | 0.05490 | 20.2199 | 300.4513 | 89.2042 | 12.46025 | – |
| 2026 Jan 25 18:57 | 2026 Jan 22 05:55:24 | 99.8556 | 0.05490 | 20.2199 | 300.4513 | 89.2042 | 12.46025 | – |
| 2026 Jan 24 18:58 | 2026 Jan 22 05:55:24 | 99.8556 | 0.05490 | 20.2199 | 300.4513 | 89.2042 | 12.46025 | – |
| 2026 Jan 22 18:56 | 2026 Jan 22 05:55:24 | 99.8556 | 0.05490 | 20.2199 | 300.4513 | 89.2042 | 12.46025 | – |
| 2026 Jan 21 18:56 | 2026 Jan 16 13:11:58 | 99.8560 | 0.05495 | 19.9064 | 312.1333 | 89.2042 | 12.46025 | – |
| 2026 Jan 20 19:06 | 2026 Jan 16 13:11:58 | 99.8560 | 0.05495 | 19.9064 | 312.1333 | 89.2042 | 12.46025 | – |
| 2026 Jan 19 18:57 | 2026 Jan 16 13:11:58 | 99.8560 | 0.05495 | 19.9064 | 312.1333 | 89.2042 | 12.46025 | – |
| 2026 Jan 18 18:57 | 2026 Jan 16 13:11:58 | 99.8560 | 0.05495 | 19.9064 | 312.1333 | 89.2042 | 12.46025 | – |
| 2026 Jan 17 18:56 | 2026 Jan 16 13:11:58 | 99.8560 | 0.05495 | 19.9064 | 312.1333 | 89.2042 | 12.46025 | – |
| 2026 Jan 16 18:57 | 2026 Jan 16 13:11:58 | 99.8560 | 0.05495 | 19.9064 | 312.1333 | 89.2042 | 12.46025 | – |
| 2026 Jan 15 18:56 | 2026 Jan 10 17:37:22 | 99.8558 | 0.05499 | 19.5864 | 324.0511 | 89.2042 | 12.46025 | – |
| 2026 Jan 13 18:56 | 2026 Jan 10 17:37:22 | 99.8558 | 0.05499 | 19.5864 | 324.0511 | 89.2042 | 12.46025 | – |
| 2026 Jan 11 18:57 | 2026 Jan 10 17:37:22 | 99.8558 | 0.05499 | 19.5864 | 324.0511 | 89.2042 | 12.46025 | – |
| 2026 Jan 10 18:57 | 2026 Jan 05 18:19:10 | 99.8560 | 0.05501 | 19.3128 | 334.2187 | 89.2042 | 12.46025 | – |
| 2026 Jan 09 18:57 | 2026 Jan 05 18:19:10 | 99.8560 | 0.05501 | 19.3128 | 334.2187 | 89.2042 | 12.46025 | – |
| 2026 Jan 08 18:56 | 2026 Jan 05 18:19:10 | 99.8560 | 0.05501 | 19.3128 | 334.2187 | 89.2042 | 12.46025 | – |
| 2026 Jan 07 18:57 | 2026 Jan 05 18:19:10 | 99.8560 | 0.05501 | 19.3128 | 334.2187 | 89.2042 | 12.46025 | – |
| 2026 Jan 06 18:56 | 2026 Jan 05 18:19:10 | 99.8560 | 0.05501 | 19.3128 | 334.2187 | 89.2042 | 12.46025 | – |
| 2026 Jan 05 18:57 | 2025 Dec 31 05:54:09 | 99.8554 | 0.05503 | 19.0092 | 345.5128 | 89.2042 | 12.46025 | – |
| 2026 Jan 04 18:56 | 2025 Dec 31 05:54:09 | 99.8554 | 0.05503 | 19.0092 | 345.5128 | 89.2042 | 12.46025 | – |
| 2026 Jan 03 18:57 | 2025 Dec 31 05:54:09 | 99.8554 | 0.05503 | 19.0092 | 345.5128 | 89.2042 | 12.46025 | – |