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 | 21499 |
| 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 18 18:57 | 2026 Jan 12 20:35:53 | 99.6231 | 0.01412 | 10.1418 | 280.1217 | 235.9057 | 13.40343 | – |
| 2026 Jan 17 18:56 | 2026 Jan 12 20:35:53 | 99.6231 | 0.01412 | 10.1418 | 280.1217 | 235.9057 | 13.40343 | – |
| 2026 Jan 16 18:57 | 2026 Jan 12 20:35:53 | 99.6231 | 0.01412 | 10.1418 | 280.1217 | 235.9057 | 13.40343 | – |
| 2026 Jan 15 18:56 | 2026 Jan 08 23:18:13 | 99.6244 | 0.01406 | 9.8955 | 289.6580 | 235.9057 | 13.40343 | – |
| 2026 Jan 13 18:56 | 2026 Jan 08 23:18:13 | 99.6244 | 0.01406 | 9.8955 | 289.6580 | 235.9057 | 13.40343 | – |
| 2026 Jan 11 18:57 | 2026 Jan 08 23:18:13 | 99.6244 | 0.01406 | 9.8955 | 289.6580 | 235.9057 | 13.40343 | – |
| 2026 Jan 10 18:57 | 2026 Jan 05 04:10:59 | 99.6225 | 0.01395 | 9.6549 | 298.8786 | 235.9057 | 13.40343 | – |
| 2026 Jan 09 18:57 | 2026 Jan 05 04:10:59 | 99.6225 | 0.01395 | 9.6549 | 298.8786 | 235.9057 | 13.40343 | – |
| 2026 Jan 08 18:56 | 2026 Jan 05 04:10:59 | 99.6225 | 0.01395 | 9.6549 | 298.8786 | 235.9057 | 13.40343 | – |
| 2026 Jan 07 18:57 | 2026 Jan 05 04:10:59 | 99.6225 | 0.01395 | 9.6549 | 298.8786 | 235.9057 | 13.40343 | – |
| 2026 Jan 06 18:56 | 2026 Jan 05 04:10:59 | 99.6225 | 0.01395 | 9.6549 | 298.8786 | 235.9057 | 13.40343 | – |
| 2026 Jan 05 18:57 | 2025 Dec 31 08:55:06 | 99.6189 | 0.01399 | 9.3499 | 310.7702 | 235.9057 | 13.40343 | – |
| 2026 Jan 04 18:56 | 2025 Dec 31 08:55:06 | 99.6189 | 0.01399 | 9.3499 | 310.7702 | 235.9057 | 13.40343 | – |
| 2026 Jan 03 18:57 | 2025 Dec 31 08:55:06 | 99.6189 | 0.01399 | 9.3499 | 310.7702 | 235.9057 | 13.40343 | – |
| 2026 Jan 01 18:56 | 2025 Dec 31 08:55:06 | 99.6189 | 0.01399 | 9.3499 | 310.7702 | 235.9057 | 13.40343 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 08:55:06 | 99.6189 | 0.01399 | 9.3499 | 310.7702 | 235.9057 | 13.40343 | – |
| 2025 Dec 30 18:56 | 2025 Dec 24 21:23:20 | 99.6257 | 0.01358 | 8.9400 | 327.3137 | 235.9057 | 13.40343 | – |
| 2025 Dec 29 18:56 | 2025 Dec 24 21:23:20 | 99.6257 | 0.01358 | 8.9400 | 327.3137 | 235.9057 | 13.40343 | – |
| 2025 Dec 28 18:57 | 2025 Dec 24 21:23:20 | 99.6257 | 0.01358 | 8.9400 | 327.3137 | 235.9057 | 13.40343 | – |
| 2025 Dec 27 18:57 | 2025 Dec 24 21:23:20 | 99.6257 | 0.01358 | 8.9400 | 327.3137 | 235.9057 | 13.40343 | – |
| 2025 Dec 26 18:56 | 2025 Dec 24 21:23:20 | 99.6257 | 0.01358 | 8.9400 | 327.3137 | 235.9057 | 13.40343 | – |
| 2025 Dec 25 18:57 | 2025 Dec 17 21:06:54 | 99.6314 | 0.01343 | 8.4960 | 344.9881 | 235.9057 | 13.40343 | – |
| 2025 Dec 24 18:56 | 2025 Dec 17 21:06:54 | 99.6314 | 0.01343 | 8.4960 | 344.9881 | 235.9057 | 13.40343 | – |
| 2025 Dec 23 18:56 | 2025 Dec 17 21:06:54 | 99.6314 | 0.01343 | 8.4960 | 344.9881 | 235.9057 | 13.40343 | – |
| 2025 Dec 22 18:57 | 2025 Dec 17 21:06:54 | 99.6314 | 0.01343 | 8.4960 | 344.9881 | 235.9057 | 13.40343 | – |