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 |
| 2026 Jan 11 18:57 | 2026 Jan 11 13:08:51 | 99.5996 | 0.01745 | 15.8549 | 135.5038 | 287.6342 | 13.15243 | – |
| 2026 Jan 10 18:57 | 2026 Jan 06 03:50:32 | 99.5996 | 0.01744 | 15.5291 | 148.2326 | 287.6342 | 13.15243 | – |
| 2026 Jan 09 18:57 | 2026 Jan 06 03:50:32 | 99.5996 | 0.01744 | 15.5291 | 148.2326 | 287.6342 | 13.15243 | – |
| 2026 Jan 08 18:56 | 2026 Jan 06 03:50:32 | 99.5996 | 0.01744 | 15.5291 | 148.2326 | 287.6342 | 13.15243 | – |
| 2026 Jan 07 18:57 | 2026 Jan 06 03:50:32 | 99.5996 | 0.01744 | 15.5291 | 148.2326 | 287.6342 | 13.15243 | – |
| 2026 Jan 06 18:56 | 2026 Jan 06 03:50:32 | 99.5996 | 0.01744 | 15.5291 | 148.2326 | 287.6342 | 13.15243 | – |
| 2026 Jan 05 18:57 | 2025 Dec 31 14:13:41 | 99.5993 | 0.01744 | 15.1923 | 161.4048 | 287.6342 | 13.15243 | – |
| 2026 Jan 04 18:56 | 2025 Dec 31 14:13:41 | 99.5993 | 0.01744 | 15.1923 | 161.4048 | 287.6342 | 13.15243 | – |
| 2026 Jan 03 18:57 | 2025 Dec 31 14:13:41 | 99.5993 | 0.01744 | 15.1923 | 161.4048 | 287.6342 | 13.15243 | – |
| 2026 Jan 01 18:56 | 2025 Dec 31 14:13:41 | 99.5993 | 0.01744 | 15.1923 | 161.4048 | 287.6342 | 13.15243 | – |
| 2025 Dec 31 18:57 | 2025 Dec 31 14:13:41 | 99.5993 | 0.01744 | 15.1923 | 161.4048 | 287.6342 | 13.15243 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 04:55:45 | 99.5990 | 0.01744 | 14.8664 | 174.1190 | 287.6342 | 13.15243 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 04:55:45 | 99.5990 | 0.01744 | 14.8664 | 174.1190 | 287.6342 | 13.15243 | – |
| 2025 Dec 28 18:57 | 2025 Dec 26 04:55:45 | 99.5990 | 0.01744 | 14.8664 | 174.1190 | 287.6342 | 13.15243 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 04:55:45 | 99.5990 | 0.01744 | 14.8664 | 174.1190 | 287.6342 | 13.15243 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 04:55:45 | 99.5990 | 0.01744 | 14.8664 | 174.1190 | 287.6342 | 13.15243 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 02:54:44 | 99.5993 | 0.01747 | 14.4984 | 188.5204 | 287.6342 | 13.15243 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 02:54:44 | 99.5993 | 0.01747 | 14.4984 | 188.5204 | 287.6342 | 13.15243 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 02:54:44 | 99.5993 | 0.01747 | 14.4984 | 188.5204 | 287.6342 | 13.15243 | – |
| 2025 Dec 22 18:57 | 2025 Dec 20 02:54:44 | 99.5993 | 0.01747 | 14.4984 | 188.5204 | 287.6342 | 13.15243 | – |
| 2025 Dec 21 18:57 | 2025 Dec 20 02:54:44 | 99.5993 | 0.01747 | 14.4984 | 188.5204 | 287.6342 | 13.15243 | – |
| 2025 Dec 20 18:57 | 2025 Dec 20 02:54:44 | 99.5993 | 0.01747 | 14.4984 | 188.5204 | 287.6342 | 13.15243 | – |
| 2025 Dec 19 18:57 | 2025 Dec 09 03:59:41 | 99.5997 | 0.01752 | 13.8358 | 214.3911 | 287.6342 | 13.15243 | – |
| 2025 Dec 18 18:57 | 2025 Dec 09 03:59:41 | 99.5997 | 0.01752 | 13.8358 | 214.3911 | 287.6342 | 13.15243 | – |
| 2025 Dec 17 18:58 | 2025 Dec 09 03:59:41 | 99.5997 | 0.01752 | 13.8358 | 214.3911 | 287.6342 | 13.15243 | – |
| 2025 Dec 16 18:57 | 2025 Dec 09 03:59:41 | 99.5997 | 0.01752 | 13.8358 | 214.3911 | 287.6342 | 13.15243 | – |
| 2025 Dec 15 18:58 | 2025 Dec 09 03:59:41 | 99.5997 | 0.01752 | 13.8358 | 214.3911 | 287.6342 | 13.15243 | – |