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 | 21501 |
| 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 14 17:57 | 2026 Apr 08 16:57:13 | 99.8087 | 0.05499 | 0.4332 | 338.5098 | 43.7646 | 12.47830 | – |
| 2026 Apr 13 17:57 | 2026 Apr 08 16:57:13 | 99.8087 | 0.05499 | 0.4332 | 338.5098 | 43.7646 | 12.47830 | – |
| 2026 Apr 12 17:57 | 2026 Apr 07 15:57:14 | 99.8088 | 0.05500 | 0.3759 | 340.6605 | 43.7646 | 12.47830 | – |
| 2026 Apr 11 17:57 | 2026 Apr 07 15:57:14 | 99.8088 | 0.05500 | 0.3759 | 340.6605 | 43.7646 | 12.47830 | – |
| 2026 Apr 10 17:58 | 2026 Apr 07 15:57:14 | 99.8088 | 0.05500 | 0.3759 | 340.6605 | 43.7646 | 12.47830 | – |
| 2026 Apr 09 18:01 | 2026 Apr 07 15:57:14 | 99.8088 | 0.05500 | 0.3759 | 340.6605 | 43.7646 | 12.47830 | – |
| 2026 Apr 08 17:57 | 2026 Apr 07 15:57:14 | 99.8088 | 0.05500 | 0.3759 | 340.6605 | 43.7646 | 12.47830 | – |
| 2026 Apr 07 17:57 | 2026 Mar 31 16:33:03 | 99.8096 | 0.05503 | 23.9927 | 355.0564 | 43.7646 | 12.47830 | – |
| 2026 Apr 06 17:57 | 2026 Mar 31 16:33:03 | 99.8096 | 0.05503 | 23.9927 | 355.0564 | 43.7646 | 12.47830 | – |
| 2026 Apr 05 17:56 | 2026 Mar 31 16:33:03 | 99.8096 | 0.05503 | 23.9927 | 355.0564 | 43.7646 | 12.47830 | – |
| 2026 Apr 04 17:57 | 2026 Mar 31 16:33:03 | 99.8096 | 0.05503 | 23.9927 | 355.0564 | 43.7646 | 12.47830 | – |
| 2026 Apr 03 17:56 | 2026 Mar 31 16:33:03 | 99.8096 | 0.05503 | 23.9927 | 355.0564 | 43.7646 | 12.47830 | – |
| 2026 Apr 02 18:03 | 2026 Mar 31 16:33:03 | 99.8096 | 0.05503 | 23.9927 | 355.0564 | 43.7646 | 12.47830 | – |
| 2026 Mar 31 17:57 | 2026 Mar 26 04:29:11 | 99.8096 | 0.05504 | 23.6903 | 6.4130 | 43.7646 | 12.47830 | – |
| 2026 Mar 30 17:58 | 2026 Mar 26 04:29:11 | 99.8096 | 0.05504 | 23.6903 | 6.4130 | 43.7646 | 12.47830 | – |
| 2026 Mar 29 17:57 | 2026 Mar 26 04:29:11 | 99.8096 | 0.05504 | 23.6903 | 6.4130 | 43.7646 | 12.47830 | – |
| 2026 Mar 28 18:57 | 2026 Mar 26 04:29:11 | 99.8096 | 0.05504 | 23.6903 | 6.4130 | 43.7646 | 12.47830 | – |
| 2026 Mar 27 18:57 | 2026 Mar 26 04:29:11 | 99.8096 | 0.05504 | 23.6903 | 6.4130 | 43.7646 | 12.47830 | – |
| 2026 Mar 26 18:57 | 2026 Mar 26 04:29:11 | 99.8096 | 0.05504 | 23.6903 | 6.4130 | 43.7646 | 12.47830 | – |
| 2026 Mar 25 18:56 | 2026 Mar 19 19:50:12 | 99.8104 | 0.05505 | 23.3409 | 19.5345 | 43.7646 | 12.47830 | – |
| 2026 Mar 24 18:56 | 2026 Mar 19 19:50:12 | 99.8104 | 0.05505 | 23.3409 | 19.5345 | 43.7646 | 12.47830 | – |
| 2026 Mar 23 18:56 | 2026 Mar 19 19:50:12 | 99.8104 | 0.05505 | 23.3409 | 19.5345 | 43.7646 | 12.47830 | – |
| 2026 Mar 22 18:56 | 2026 Mar 19 19:50:12 | 99.8104 | 0.05505 | 23.3409 | 19.5345 | 43.7646 | 12.47830 | – |
| 2026 Mar 21 19:05 | 2026 Mar 19 19:50:12 | 99.8104 | 0.05505 | 23.3409 | 19.5345 | 43.7646 | 12.47830 | – |
| 2026 Mar 20 18:57 | 2026 Mar 19 19:50:12 | 99.8104 | 0.05505 | 23.3409 | 19.5345 | 43.7646 | 12.47830 | – |
| 2026 Mar 19 18:56 | 2026 Mar 13 06:38:26 | 99.8108 | 0.05504 | 22.9810 | 33.0443 | 43.7646 | 12.47830 | – |