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 | 21506 |
| 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 04:55:45 | 99.5990 | 0.01744 | 14.8664 | 174.1190 | 308.2517 | 13.15233 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 04:55:45 | 99.5990 | 0.01744 | 14.8664 | 174.1190 | 308.2517 | 13.15233 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 04:55:45 | 99.5990 | 0.01744 | 14.8664 | 174.1190 | 308.2517 | 13.15233 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 02:54:44 | 99.5993 | 0.01747 | 14.4984 | 188.5204 | 308.2517 | 13.15233 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 02:54:44 | 99.5993 | 0.01747 | 14.4984 | 188.5204 | 308.2517 | 13.15233 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 02:54:44 | 99.5993 | 0.01747 | 14.4984 | 188.5204 | 308.2517 | 13.15233 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 02:54:44 | 99.5993 | 0.01747 | 14.4984 | 188.5204 | 308.2517 | 13.15233 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 02:54:44 | 99.5993 | 0.01747 | 14.4984 | 188.5204 | 308.2517 | 13.15233 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 02:54:44 | 99.5993 | 0.01747 | 14.4984 | 188.5204 | 308.2517 | 13.15233 | – |
| 2025 Dec 19 18:57 | 2025 Dec 09 03:59:41 | 99.5997 | 0.01752 | 13.8358 | 214.3911 | 308.2517 | 13.15233 | – |
| 2025 Dec 18 18:57 | 2025 Dec 09 03:59:41 | 99.5997 | 0.01752 | 13.8358 | 214.3911 | 308.2517 | 13.15233 | – |
| 2025 Dec 17 18:58 | 2025 Dec 09 03:59:41 | 99.5997 | 0.01752 | 13.8358 | 214.3911 | 308.2517 | 13.15233 | – |
| 2025 Dec 16 18:57 | 2025 Dec 09 03:59:41 | 99.5997 | 0.01752 | 13.8358 | 214.3911 | 308.2517 | 13.15233 | – |
| 2025 Dec 15 18:58 | 2025 Dec 09 03:59:41 | 99.5997 | 0.01752 | 13.8358 | 214.3911 | 308.2517 | 13.15233 | – |
| 2025 Dec 14 18:56 | 2025 Dec 09 03:59:41 | 99.5997 | 0.01752 | 13.8358 | 214.3911 | 308.2517 | 13.15233 | – |
| 2025 Dec 13 18:56 | 2025 Dec 09 03:59:41 | 99.5997 | 0.01752 | 13.8358 | 214.3911 | 308.2517 | 13.15233 | – |
| 2025 Dec 12 18:57 | 2025 Dec 09 03:59:41 | 99.5997 | 0.01752 | 13.8358 | 214.3911 | 308.2517 | 13.15233 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 02:50:44 | 99.5996 | 0.01753 | 13.7119 | 219.2171 | 308.2517 | 13.15233 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 02:50:44 | 99.5996 | 0.01753 | 13.7119 | 219.2171 | 308.2517 | 13.15233 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 02:50:44 | 99.5996 | 0.01753 | 13.7119 | 219.2171 | 308.2517 | 13.15233 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 02:50:44 | 99.5996 | 0.01753 | 13.7119 | 219.2171 | 308.2517 | 13.15233 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 02:50:44 | 99.5996 | 0.01753 | 13.7119 | 219.2171 | 308.2517 | 13.15233 | – |
| 2025 Dec 06 18:56 | 2025 Dec 01 14:54:22 | 99.5995 | 0.01757 | 13.3793 | 232.1623 | 308.2517 | 13.15233 | – |
| 2025 Dec 05 18:57 | 2025 Dec 01 14:54:22 | 99.5995 | 0.01757 | 13.3793 | 232.1623 | 308.2517 | 13.15233 | – |
| 2025 Dec 04 18:57 | 2025 Dec 01 14:54:22 | 99.5995 | 0.01757 | 13.3793 | 232.1623 | 308.2517 | 13.15233 | – |
| 2025 Dec 03 18:56 | 2025 Dec 01 14:54:22 | 99.5995 | 0.01757 | 13.3793 | 232.1623 | 308.2517 | 13.15233 | – |
| 2025 Dec 02 18:56 | 2025 Dec 01 14:54:22 | 99.5995 | 0.01757 | 13.3793 | 232.1623 | 308.2517 | 13.15233 | – |