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 | 21515 |
| 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 Apr 18 17:57 | 2025 Apr 15 22:07:11 | 99.7354 | 0.02740 | 13.0863 | 122.3523 | 304.9903 | 12.98589 | – |
| 2025 Apr 17 17:56 | 2025 Apr 15 22:07:11 | 99.7354 | 0.02740 | 13.0863 | 122.3523 | 304.9903 | 12.98589 | – |
| 2025 Apr 16 17:57 | 2025 Apr 15 22:07:11 | 99.7354 | 0.02740 | 13.0863 | 122.3523 | 304.9903 | 12.98589 | – |
| 2025 Apr 15 17:56 | 2025 Apr 11 05:08:28 | 99.7357 | 0.02742 | 12.8058 | 132.9573 | 304.9903 | 12.98589 | – |
| 2025 Apr 14 17:56 | 2025 Apr 11 05:08:28 | 99.7357 | 0.02742 | 12.8058 | 132.9573 | 304.9903 | 12.98589 | – |
| 2025 Apr 11 17:57 | 2025 Apr 11 05:08:28 | 99.7357 | 0.02742 | 12.8058 | 132.9573 | 304.9903 | 12.98589 | – |
| 2025 Apr 10 17:56 | 2025 Apr 06 12:51:52 | 99.7363 | 0.02743 | 12.5270 | 143.4965 | 304.9903 | 12.98589 | – |
| 2025 Apr 09 17:57 | 2025 Apr 06 12:51:52 | 99.7363 | 0.02743 | 12.5270 | 143.4965 | 304.9903 | 12.98589 | – |
| 2025 Apr 08 17:57 | 2025 Apr 06 12:51:52 | 99.7363 | 0.02743 | 12.5270 | 143.4965 | 304.9903 | 12.98589 | – |
| 2025 Apr 07 17:56 | 2025 Apr 06 12:51:52 | 99.7363 | 0.02743 | 12.5270 | 143.4965 | 304.9903 | 12.98589 | – |
| 2025 Apr 06 17:56 | 2025 Apr 06 12:51:52 | 99.7363 | 0.02743 | 12.5270 | 143.4965 | 304.9903 | 12.98589 | – |
| 2025 Apr 05 17:56 | 2025 Apr 01 12:37:12 | 99.7372 | 0.02742 | 12.2284 | 154.7896 | 304.9903 | 12.98589 | – |
| 2025 Apr 04 17:56 | 2025 Apr 01 12:37:12 | 99.7372 | 0.02742 | 12.2284 | 154.7896 | 304.9903 | 12.98589 | – |
| 2025 Apr 03 17:56 | 2025 Apr 01 12:37:12 | 99.7372 | 0.02742 | 12.2284 | 154.7896 | 304.9903 | 12.98589 | – |
| 2025 Apr 02 17:57 | 2025 Apr 01 12:37:12 | 99.7372 | 0.02742 | 12.2284 | 154.7896 | 304.9903 | 12.98589 | – |
| 2025 Apr 01 17:56 | 2025 Apr 01 12:37:12 | 99.7372 | 0.02742 | 12.2284 | 154.7896 | 304.9903 | 12.98589 | – |
| 2025 Mar 31 17:56 | 2025 Mar 25 18:04:07 | 99.7373 | 0.02741 | 11.8247 | 170.0580 | 304.9903 | 12.98589 | – |
| 2025 Mar 30 17:57 | 2025 Mar 25 18:04:07 | 99.7373 | 0.02741 | 11.8247 | 170.0580 | 304.9903 | 12.98589 | – |
| 2025 Mar 29 18:56 | 2025 Mar 25 18:04:07 | 99.7373 | 0.02741 | 11.8247 | 170.0580 | 304.9903 | 12.98589 | – |
| 2025 Mar 28 18:57 | 2025 Mar 25 18:04:07 | 99.7373 | 0.02741 | 11.8247 | 170.0580 | 304.9903 | 12.98589 | – |
| 2025 Mar 27 18:56 | 2025 Mar 25 18:04:07 | 99.7373 | 0.02741 | 11.8247 | 170.0580 | 304.9903 | 12.98589 | – |
| 2025 Mar 26 18:57 | 2025 Mar 25 18:04:07 | 99.7373 | 0.02741 | 11.8247 | 170.0580 | 304.9903 | 12.98589 | – |
| 2025 Mar 25 18:57 | 2025 Mar 19 06:02:24 | 99.7366 | 0.02739 | 11.4372 | 184.7324 | 304.9903 | 12.98589 | – |
| 2025 Mar 24 18:57 | 2025 Mar 19 06:02:24 | 99.7366 | 0.02739 | 11.4372 | 184.7324 | 304.9903 | 12.98589 | – |
| 2025 Mar 23 18:58 | 2025 Mar 19 06:02:24 | 99.7366 | 0.02739 | 11.4372 | 184.7324 | 304.9903 | 12.98589 | – |
| 2025 Mar 22 18:58 | 2025 Mar 19 06:02:24 | 99.7366 | 0.02739 | 11.4372 | 184.7324 | 304.9903 | 12.98589 | – |