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 |
| 2026 Apr 22 17:57 | 2026 Apr 18 03:44:46 | 99.7047 | 0.02723 | 10.9550 | 9.7245 | 11.4249 | 12.98744 | – |
| 2026 Apr 21 17:57 | 2026 Apr 18 03:44:46 | 99.7047 | 0.02723 | 10.9550 | 9.7245 | 11.4249 | 12.98744 | – |
| 2026 Apr 20 17:57 | 2026 Apr 18 03:44:46 | 99.7047 | 0.02723 | 10.9550 | 9.7245 | 11.4249 | 12.98744 | – |
| 2026 Apr 19 17:58 | 2026 Apr 18 03:44:46 | 99.7047 | 0.02723 | 10.9550 | 9.7245 | 11.4249 | 12.98744 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 03:34:55 | 99.7045 | 0.02725 | 10.6575 | 21.0954 | 11.4249 | 12.98744 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 03:34:55 | 99.7045 | 0.02725 | 10.6575 | 21.0954 | 11.4249 | 12.98744 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 03:34:55 | 99.7045 | 0.02725 | 10.6575 | 21.0954 | 11.4249 | 12.98744 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 03:34:55 | 99.7045 | 0.02725 | 10.6575 | 21.0954 | 11.4249 | 12.98744 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 03:25:05 | 99.7044 | 0.02728 | 10.3600 | 32.4727 | 11.4249 | 12.98744 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 03:25:05 | 99.7044 | 0.02728 | 10.3600 | 32.4727 | 11.4249 | 12.98744 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 03:25:05 | 99.7044 | 0.02728 | 10.3600 | 32.4727 | 11.4249 | 12.98744 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 03:25:05 | 99.7044 | 0.02728 | 10.3600 | 32.4727 | 11.4249 | 12.98744 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 03:25:05 | 99.7044 | 0.02728 | 10.3600 | 32.4727 | 11.4249 | 12.98744 | – |
| 2026 Apr 07 17:57 | 2026 Apr 02 03:13:12 | 99.7048 | 0.02732 | 10.0029 | 46.1369 | 11.4249 | 12.98744 | – |
| 2026 Apr 06 17:57 | 2026 Apr 02 03:13:12 | 99.7048 | 0.02732 | 10.0029 | 46.1369 | 11.4249 | 12.98744 | – |
| 2026 Apr 05 17:56 | 2026 Apr 02 03:13:12 | 99.7048 | 0.02732 | 10.0029 | 46.1369 | 11.4249 | 12.98744 | – |
| 2026 Apr 04 17:57 | 2026 Apr 02 03:13:12 | 99.7048 | 0.02732 | 10.0029 | 46.1369 | 11.4249 | 12.98744 | – |
| 2026 Apr 03 17:56 | 2026 Apr 02 03:13:12 | 99.7048 | 0.02732 | 10.0029 | 46.1369 | 11.4249 | 12.98744 | – |
| 2026 Apr 02 18:03 | 2026 Apr 02 03:13:12 | 99.7048 | 0.02732 | 10.0029 | 46.1369 | 11.4249 | 12.98744 | – |
| 2026 Mar 31 17:57 | 2026 Mar 26 10:51:40 | 99.7068 | 0.02736 | 9.6059 | 61.3220 | 11.4249 | 12.98744 | – |
| 2026 Mar 30 17:58 | 2026 Mar 26 10:51:40 | 99.7068 | 0.02736 | 9.6059 | 61.3220 | 11.4249 | 12.98744 | – |
| 2026 Mar 29 17:57 | 2026 Mar 26 10:51:40 | 99.7068 | 0.02736 | 9.6059 | 61.3220 | 11.4249 | 12.98744 | – |
| 2026 Mar 28 18:57 | 2026 Mar 26 10:51:40 | 99.7068 | 0.02736 | 9.6059 | 61.3220 | 11.4249 | 12.98744 | – |
| 2026 Mar 27 18:57 | 2026 Mar 26 10:51:40 | 99.7068 | 0.02736 | 9.6059 | 61.3220 | 11.4249 | 12.98744 | – |
| 2026 Mar 26 18:57 | 2026 Mar 26 10:51:40 | 99.7068 | 0.02736 | 9.6059 | 61.3220 | 11.4249 | 12.98744 | – |