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 | 21286 |
| 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 |
| 2025 Dec 28 18:57 | 2025 Dec 26 10:57:24 | 99.6857 | 0.00530 | 10.4277 | 236.8928 | 188.7847 | 13.33455 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 10:57:24 | 99.6857 | 0.00530 | 10.4277 | 236.8928 | 188.7847 | 13.33455 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 10:57:24 | 99.6857 | 0.00530 | 10.4277 | 236.8928 | 188.7847 | 13.33455 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 10:53:27 | 99.6853 | 0.00529 | 10.0497 | 251.5264 | 188.7847 | 13.33455 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 10:53:27 | 99.6853 | 0.00529 | 10.0497 | 251.5264 | 188.7847 | 13.33455 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 10:53:27 | 99.6853 | 0.00529 | 10.0497 | 251.5264 | 188.7847 | 13.33455 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 10:53:27 | 99.6853 | 0.00529 | 10.0497 | 251.5264 | 188.7847 | 13.33455 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 10:53:27 | 99.6853 | 0.00529 | 10.0497 | 251.5264 | 188.7847 | 13.33455 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 10:53:27 | 99.6853 | 0.00529 | 10.0497 | 251.5264 | 188.7847 | 13.33455 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 06:53:14 | 99.6849 | 0.00529 | 9.5353 | 271.4811 | 188.7847 | 13.33455 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 06:53:14 | 99.6849 | 0.00529 | 9.5353 | 271.4811 | 188.7847 | 13.33455 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 06:53:14 | 99.6849 | 0.00529 | 9.5353 | 271.4811 | 188.7847 | 13.33455 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 06:53:14 | 99.6849 | 0.00529 | 9.5353 | 271.4811 | 188.7847 | 13.33455 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 06:53:14 | 99.6849 | 0.00529 | 9.5353 | 271.4811 | 188.7847 | 13.33455 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 06:53:14 | 99.6849 | 0.00529 | 9.5353 | 271.4811 | 188.7847 | 13.33455 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 06:53:14 | 99.6849 | 0.00529 | 9.5353 | 271.4811 | 188.7847 | 13.33455 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 06:53:14 | 99.6849 | 0.00529 | 9.5353 | 271.4811 | 188.7847 | 13.33455 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 06:15:13 | 99.6848 | 0.00529 | 9.2187 | 283.7728 | 188.7847 | 13.33455 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 06:15:13 | 99.6848 | 0.00529 | 9.2187 | 283.7728 | 188.7847 | 13.33455 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 06:15:13 | 99.6848 | 0.00529 | 9.2187 | 283.7728 | 188.7847 | 13.33455 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 06:15:13 | 99.6848 | 0.00529 | 9.2187 | 283.7728 | 188.7847 | 13.33455 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 06:15:13 | 99.6848 | 0.00529 | 9.2187 | 283.7728 | 188.7847 | 13.33455 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 10:30:18 | 99.6846 | 0.00529 | 8.9150 | 295.5752 | 188.7847 | 13.33455 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 10:30:18 | 99.6846 | 0.00529 | 8.9150 | 295.5752 | 188.7847 | 13.33455 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 10:30:18 | 99.6846 | 0.00529 | 8.9150 | 295.5752 | 188.7847 | 13.33455 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 10:30:18 | 99.6846 | 0.00529 | 8.9150 | 295.5752 | 188.7847 | 13.33455 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 10:30:18 | 99.6846 | 0.00529 | 8.9150 | 295.5752 | 188.7847 | 13.33455 | – |