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 | 21516 |
| 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 23 04:03:20 | 99.8063 | 0.00708 | 16.6193 | 83.8197 | 95.4189 | 13.32975 | – |
| 2026 Apr 27 17:58 | 2026 Apr 23 04:03:20 | 99.8063 | 0.00708 | 16.6193 | 83.8197 | 95.4189 | 13.32975 | – |
| 2026 Apr 26 17:58 | 2026 Apr 23 04:03:20 | 99.8063 | 0.00708 | 16.6193 | 83.8197 | 95.4189 | 13.32975 | – |
| 2026 Apr 25 17:58 | 2026 Apr 23 04:03:20 | 99.8063 | 0.00708 | 16.6193 | 83.8197 | 95.4189 | 13.32975 | – |
| 2026 Apr 24 17:59 | 2026 Apr 23 04:03:20 | 99.8063 | 0.00708 | 16.6193 | 83.8197 | 95.4189 | 13.32975 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 07:26:22 | 99.8054 | 0.00709 | 16.3735 | 92.9803 | 95.4189 | 13.32975 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 07:26:22 | 99.8054 | 0.00709 | 16.3735 | 92.9803 | 95.4189 | 13.32975 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 07:26:22 | 99.8054 | 0.00709 | 16.3735 | 92.9803 | 95.4189 | 13.32975 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 07:26:22 | 99.8054 | 0.00709 | 16.3735 | 92.9803 | 95.4189 | 13.32975 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 07:26:22 | 99.8054 | 0.00709 | 16.3735 | 92.9803 | 95.4189 | 13.32975 | – |
| 2026 Apr 18 17:56 | 2026 Apr 12 21:07:33 | 99.8041 | 0.00710 | 15.9640 | 108.2207 | 95.4189 | 13.32975 | – |
| 2026 Apr 16 17:57 | 2026 Apr 12 21:07:33 | 99.8041 | 0.00710 | 15.9640 | 108.2207 | 95.4189 | 13.32975 | – |
| 2026 Apr 14 17:57 | 2026 Apr 12 21:07:33 | 99.8041 | 0.00710 | 15.9640 | 108.2207 | 95.4189 | 13.32975 | – |
| 2026 Apr 13 17:57 | 2026 Apr 12 21:07:33 | 99.8041 | 0.00710 | 15.9640 | 108.2207 | 95.4189 | 13.32975 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 15:35:05 | 99.8034 | 0.00711 | 15.6946 | 118.2393 | 95.4189 | 13.32975 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 15:35:05 | 99.8034 | 0.00711 | 15.6946 | 118.2393 | 95.4189 | 13.32975 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 15:35:05 | 99.8034 | 0.00711 | 15.6946 | 118.2393 | 95.4189 | 13.32975 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 15:35:05 | 99.8034 | 0.00711 | 15.6946 | 118.2393 | 95.4189 | 13.32975 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 15:35:05 | 99.8034 | 0.00711 | 15.6946 | 118.2393 | 95.4189 | 13.32975 | – |
| 2026 Apr 07 17:57 | 2026 Apr 01 20:20:10 | 99.8018 | 0.00711 | 15.2614 | 134.3402 | 95.4189 | 13.32975 | – |
| 2026 Apr 06 17:57 | 2026 Apr 01 20:20:10 | 99.8018 | 0.00711 | 15.2614 | 134.3402 | 95.4189 | 13.32975 | – |
| 2026 Apr 05 17:56 | 2026 Apr 01 20:20:10 | 99.8018 | 0.00711 | 15.2614 | 134.3402 | 95.4189 | 13.32975 | – |
| 2026 Apr 04 17:57 | 2026 Apr 01 20:20:10 | 99.8018 | 0.00711 | 15.2614 | 134.3402 | 95.4189 | 13.32975 | – |
| 2026 Apr 03 17:56 | 2026 Apr 01 20:20:10 | 99.8018 | 0.00711 | 15.2614 | 134.3402 | 95.4189 | 13.32975 | – |
| 2026 Apr 02 18:03 | 2026 Apr 01 20:20:10 | 99.8018 | 0.00711 | 15.2614 | 134.3402 | 95.4189 | 13.32975 | – |