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 | 21512 |
| 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 07 18:57 | 2026 Jan 05 15:12:17 | 99.9117 | 0.00359 | 17.6528 | 229.2265 | 196.2119 | 13.40551 | – |
| 2026 Jan 06 18:56 | 2026 Jan 05 15:12:17 | 99.9117 | 0.00359 | 17.6528 | 229.2265 | 196.2119 | 13.40551 | – |
| 2026 Jan 05 18:57 | 2025 Dec 31 15:13:11 | 99.9117 | 0.00359 | 17.3267 | 241.5966 | 196.2119 | 13.40551 | – |
| 2026 Jan 04 18:56 | 2025 Dec 31 15:13:11 | 99.9117 | 0.00359 | 17.3267 | 241.5966 | 196.2119 | 13.40551 | – |
| 2026 Jan 03 18:57 | 2025 Dec 31 15:13:11 | 99.9117 | 0.00359 | 17.3267 | 241.5966 | 196.2119 | 13.40551 | – |
| 2026 Jan 01 18:56 | 2025 Dec 31 15:13:11 | 99.9117 | 0.00359 | 17.3267 | 241.5966 | 196.2119 | 13.40551 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 15:13:11 | 99.9117 | 0.00359 | 17.3267 | 241.5966 | 196.2119 | 13.40551 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 12:09:46 | 99.9120 | 0.00360 | 16.9922 | 254.2692 | 196.2119 | 13.40551 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 12:09:46 | 99.9120 | 0.00360 | 16.9922 | 254.2692 | 196.2119 | 13.40551 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 12:09:46 | 99.9120 | 0.00360 | 16.9922 | 254.2692 | 196.2119 | 13.40551 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 12:09:46 | 99.9120 | 0.00360 | 16.9922 | 254.2692 | 196.2119 | 13.40551 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 12:09:46 | 99.9120 | 0.00360 | 16.9922 | 254.2692 | 196.2119 | 13.40551 | – |
| 2025 Dec 25 18:57 | 2025 Dec 19 11:48:03 | 99.9118 | 0.00363 | 16.5346 | 271.4383 | 196.2119 | 13.40551 | – |
| 2025 Dec 24 18:56 | 2025 Dec 19 11:48:03 | 99.9118 | 0.00363 | 16.5346 | 271.4383 | 196.2119 | 13.40551 | – |
| 2025 Dec 23 18:56 | 2025 Dec 19 11:48:03 | 99.9118 | 0.00363 | 16.5346 | 271.4383 | 196.2119 | 13.40551 | – |
| 2025 Dec 22 18:57 | 2025 Dec 19 11:48:03 | 99.9118 | 0.00363 | 16.5346 | 271.4383 | 196.2119 | 13.40551 | – |
| 2025 Dec 21 18:57 | 2025 Dec 19 11:48:03 | 99.9118 | 0.00363 | 16.5346 | 271.4383 | 196.2119 | 13.40551 | – |
| 2025 Dec 20 18:57 | 2025 Dec 19 11:48:03 | 99.9118 | 0.00363 | 16.5346 | 271.4383 | 196.2119 | 13.40551 | – |
| 2025 Dec 19 18:57 | 2025 Dec 09 16:23:20 | 99.9120 | 0.00366 | 15.8947 | 295.4054 | 196.2119 | 13.40551 | – |
| 2025 Dec 18 18:57 | 2025 Dec 09 16:23:20 | 99.9120 | 0.00366 | 15.8947 | 295.4054 | 196.2119 | 13.40551 | – |
| 2025 Dec 17 18:58 | 2025 Dec 09 16:23:20 | 99.9120 | 0.00366 | 15.8947 | 295.4054 | 196.2119 | 13.40551 | – |
| 2025 Dec 16 18:57 | 2025 Dec 09 16:23:20 | 99.9120 | 0.00366 | 15.8947 | 295.4054 | 196.2119 | 13.40551 | – |
| 2025 Dec 15 18:58 | 2025 Dec 09 16:23:20 | 99.9120 | 0.00366 | 15.8947 | 295.4054 | 196.2119 | 13.40551 | – |
| 2025 Dec 14 18:56 | 2025 Dec 09 16:23:20 | 99.9120 | 0.00366 | 15.8947 | 295.4054 | 196.2119 | 13.40551 | – |
| 2025 Dec 13 18:56 | 2025 Dec 09 16:23:20 | 99.9120 | 0.00366 | 15.8947 | 295.4054 | 196.2119 | 13.40551 | – |
| 2025 Dec 12 18:57 | 2025 Dec 09 16:23:20 | 99.9120 | 0.00366 | 15.8947 | 295.4054 | 196.2119 | 13.40551 | – |
| 2025 Dec 11 18:56 | 2025 Dec 06 23:50:51 | 99.9119 | 0.00367 | 15.7193 | 301.9305 | 196.2119 | 13.40551 | – |