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 May 03 17:57 | 2026 Apr 29 20:55:00 | 99.7039 | 0.02717 | 11.6512 | 343.1122 | 66.9131 | 12.98747 | – |
| 2026 May 02 17:57 | 2026 Apr 29 20:55:00 | 99.7039 | 0.02717 | 11.6512 | 343.1122 | 66.9131 | 12.98747 | – |
| 2026 May 01 17:56 | 2026 Apr 29 20:55:00 | 99.7039 | 0.02717 | 11.6512 | 343.1122 | 66.9131 | 12.98747 | – |
| 2026 Apr 30 17:56 | 2026 Apr 29 20:55:00 | 99.7039 | 0.02717 | 11.6512 | 343.1122 | 66.9131 | 12.98747 | – |
| 2026 Apr 29 17:57 | 2026 Apr 22 03:52:46 | 99.7045 | 0.02721 | 11.1930 | 0.6314 | 66.9131 | 12.98747 | – |
| 2026 Apr 28 17:56 | 2026 Apr 22 03:52:46 | 99.7045 | 0.02721 | 11.1930 | 0.6314 | 66.9131 | 12.98747 | – |
| 2026 Apr 27 17:58 | 2026 Apr 22 03:52:46 | 99.7045 | 0.02721 | 11.1930 | 0.6314 | 66.9131 | 12.98747 | – |
| 2026 Apr 26 17:58 | 2026 Apr 22 03:52:46 | 99.7045 | 0.02721 | 11.1930 | 0.6314 | 66.9131 | 12.98747 | – |
| 2026 Apr 25 17:58 | 2026 Apr 22 03:52:46 | 99.7045 | 0.02721 | 11.1930 | 0.6314 | 66.9131 | 12.98747 | – |
| 2026 Apr 24 17:59 | 2026 Apr 22 03:52:46 | 99.7045 | 0.02721 | 11.1930 | 0.6314 | 66.9131 | 12.98747 | – |
| 2026 Apr 23 17:57 | 2026 Apr 18 03:44:46 | 99.7047 | 0.02723 | 10.9550 | 9.7245 | 66.9131 | 12.98747 | – |
| 2026 Apr 22 17:57 | 2026 Apr 18 03:44:46 | 99.7047 | 0.02723 | 10.9550 | 9.7245 | 66.9131 | 12.98747 | – |
| 2026 Apr 21 17:57 | 2026 Apr 18 03:44:46 | 99.7047 | 0.02723 | 10.9550 | 9.7245 | 66.9131 | 12.98747 | – |
| 2026 Apr 20 17:57 | 2026 Apr 18 03:44:46 | 99.7047 | 0.02723 | 10.9550 | 9.7245 | 66.9131 | 12.98747 | – |
| 2026 Apr 19 17:58 | 2026 Apr 18 03:44:46 | 99.7047 | 0.02723 | 10.9550 | 9.7245 | 66.9131 | 12.98747 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 03:34:55 | 99.7045 | 0.02725 | 10.6575 | 21.0954 | 66.9131 | 12.98747 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 03:34:55 | 99.7045 | 0.02725 | 10.6575 | 21.0954 | 66.9131 | 12.98747 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 03:34:55 | 99.7045 | 0.02725 | 10.6575 | 21.0954 | 66.9131 | 12.98747 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 03:34:55 | 99.7045 | 0.02725 | 10.6575 | 21.0954 | 66.9131 | 12.98747 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 03:25:05 | 99.7044 | 0.02728 | 10.3600 | 32.4727 | 66.9131 | 12.98747 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 03:25:05 | 99.7044 | 0.02728 | 10.3600 | 32.4727 | 66.9131 | 12.98747 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 03:25:05 | 99.7044 | 0.02728 | 10.3600 | 32.4727 | 66.9131 | 12.98747 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 03:25:05 | 99.7044 | 0.02728 | 10.3600 | 32.4727 | 66.9131 | 12.98747 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 03:25:05 | 99.7044 | 0.02728 | 10.3600 | 32.4727 | 66.9131 | 12.98747 | – |
| 2026 Apr 07 17:57 | 2026 Apr 02 03:13:12 | 99.7048 | 0.02732 | 10.0029 | 46.1369 | 66.9131 | 12.98747 | – |
| 2026 Apr 06 17:57 | 2026 Apr 02 03:13:12 | 99.7048 | 0.02732 | 10.0029 | 46.1369 | 66.9131 | 12.98747 | – |