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 | 21547 |
| 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 Apr 28 17:56 | 2026 Apr 24 02:21:14 | 99.7518 | 0.02493 | 23.0178 | 355.6859 | 159.2069 | 13.57532 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 02:21:14 | 99.7518 | 0.02493 | 23.0178 | 355.6859 | 159.2069 | 13.57532 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 02:21:14 | 99.7518 | 0.02493 | 23.0178 | 355.6859 | 159.2069 | 13.57532 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 02:21:14 | 99.7518 | 0.02493 | 23.0178 | 355.6859 | 159.2069 | 13.57532 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 02:21:14 | 99.7518 | 0.02493 | 23.0178 | 355.6859 | 159.2069 | 13.57532 | – |
| 2026 Apr 23 17:57 | 2026 Apr 18 14:57:52 | 99.7524 | 0.02495 | 22.6556 | 9.3419 | 159.2069 | 13.57532 | – |
| 2026 Apr 22 17:57 | 2026 Apr 18 14:57:52 | 99.7524 | 0.02495 | 22.6556 | 9.3419 | 159.2069 | 13.57532 | – |
| 2026 Apr 21 17:57 | 2026 Apr 18 14:57:52 | 99.7524 | 0.02495 | 22.6556 | 9.3419 | 159.2069 | 13.57532 | – |
| 2026 Apr 20 17:57 | 2026 Apr 18 14:57:52 | 99.7524 | 0.02495 | 22.6556 | 9.3419 | 159.2069 | 13.57532 | – |
| 2026 Apr 19 17:58 | 2026 Apr 18 14:57:52 | 99.7524 | 0.02495 | 22.6556 | 9.3419 | 159.2069 | 13.57532 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 02:47:08 | 99.7530 | 0.02496 | 22.2911 | 23.0863 | 159.2069 | 13.57532 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 02:47:08 | 99.7530 | 0.02496 | 22.2911 | 23.0863 | 159.2069 | 13.57532 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 02:47:08 | 99.7530 | 0.02496 | 22.2911 | 23.0863 | 159.2069 | 13.57532 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 02:47:08 | 99.7530 | 0.02496 | 22.2911 | 23.0863 | 159.2069 | 13.57532 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 14:23:57 | 99.7537 | 0.02497 | 21.9923 | 34.3742 | 159.2069 | 13.57532 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 14:23:57 | 99.7537 | 0.02497 | 21.9923 | 34.3742 | 159.2069 | 13.57532 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 14:23:57 | 99.7537 | 0.02497 | 21.9923 | 34.3742 | 159.2069 | 13.57532 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 14:23:57 | 99.7537 | 0.02497 | 21.9923 | 34.3742 | 159.2069 | 13.57532 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 14:23:57 | 99.7537 | 0.02497 | 21.9923 | 34.3742 | 159.2069 | 13.57532 | – |
| 2026 Apr 07 17:57 | 2026 Apr 02 04:49:03 | 99.7548 | 0.02496 | 21.5688 | 50.3575 | 159.2069 | 13.57532 | – |
| 2026 Apr 06 17:57 | 2026 Apr 02 04:49:03 | 99.7548 | 0.02496 | 21.5688 | 50.3575 | 159.2069 | 13.57532 | – |
| 2026 Apr 05 17:56 | 2026 Apr 02 04:49:03 | 99.7548 | 0.02496 | 21.5688 | 50.3575 | 159.2069 | 13.57532 | – |
| 2026 Apr 04 17:57 | 2026 Apr 02 04:49:03 | 99.7548 | 0.02496 | 21.5688 | 50.3575 | 159.2069 | 13.57532 | – |
| 2026 Apr 03 17:56 | 2026 Apr 02 04:49:03 | 99.7548 | 0.02496 | 21.5688 | 50.3575 | 159.2069 | 13.57532 | – |
| 2026 Apr 02 18:03 | 2026 Apr 02 04:49:03 | 99.7548 | 0.02496 | 21.5688 | 50.3575 | 159.2069 | 13.57532 | – |