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 | 21281 |
| 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 25 17:58 | 2026 Apr 24 10:55:09 | 99.9991 | 0.00578 | 3.1564 | 64.4848 | 44.3791 | 13.34322 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 10:55:09 | 99.9991 | 0.00578 | 3.1564 | 64.4848 | 44.3791 | 13.34322 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 06:57:58 | 99.9989 | 0.00578 | 2.8203 | 76.6469 | 44.3791 | 13.34322 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 06:57:58 | 99.9989 | 0.00578 | 2.8203 | 76.6469 | 44.3791 | 13.34322 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 06:57:58 | 99.9989 | 0.00578 | 2.8203 | 76.6469 | 44.3791 | 13.34322 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 06:57:58 | 99.9989 | 0.00578 | 2.8203 | 76.6469 | 44.3791 | 13.34322 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 06:57:58 | 99.9989 | 0.00578 | 2.8203 | 76.6469 | 44.3791 | 13.34322 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 07:03:54 | 99.9984 | 0.00577 | 2.4301 | 90.7848 | 44.3791 | 13.34322 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 07:03:54 | 99.9984 | 0.00577 | 2.4301 | 90.7848 | 44.3791 | 13.34322 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 07:03:54 | 99.9984 | 0.00577 | 2.4301 | 90.7848 | 44.3791 | 13.34322 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 07:03:54 | 99.9984 | 0.00577 | 2.4301 | 90.7848 | 44.3791 | 13.34322 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 06:26:46 | 99.9977 | 0.00576 | 2.1030 | 102.6488 | 44.3791 | 13.34322 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 06:26:46 | 99.9977 | 0.00576 | 2.1030 | 102.6488 | 44.3791 | 13.34322 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 06:26:46 | 99.9977 | 0.00576 | 2.1030 | 102.6488 | 44.3791 | 13.34322 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 06:26:46 | 99.9977 | 0.00576 | 2.1030 | 102.6488 | 44.3791 | 13.34322 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 06:26:46 | 99.9977 | 0.00576 | 2.1030 | 102.6488 | 44.3791 | 13.34322 | – |
| 2026 Apr 07 17:57 | 2026 Apr 02 08:05:18 | 99.9977 | 0.00575 | 1.7171 | 116.6853 | 44.3791 | 13.34322 | – |
| 2026 Apr 06 17:57 | 2026 Apr 02 08:05:18 | 99.9977 | 0.00575 | 1.7171 | 116.6853 | 44.3791 | 13.34322 | – |
| 2026 Apr 05 17:56 | 2026 Apr 02 08:05:18 | 99.9977 | 0.00575 | 1.7171 | 116.6853 | 44.3791 | 13.34322 | – |
| 2026 Apr 04 17:57 | 2026 Apr 02 08:05:18 | 99.9977 | 0.00575 | 1.7171 | 116.6853 | 44.3791 | 13.34322 | – |
| 2026 Apr 03 17:56 | 2026 Apr 02 08:05:18 | 99.9977 | 0.00575 | 1.7171 | 116.6853 | 44.3791 | 13.34322 | – |
| 2026 Apr 02 18:03 | 2026 Apr 02 08:05:18 | 99.9977 | 0.00575 | 1.7171 | 116.6853 | 44.3791 | 13.34322 | – |
| 2026 Mar 31 17:57 | 2026 Mar 26 08:44:40 | 99.9968 | 0.00573 | 1.2634 | 133.2308 | 44.3791 | 13.34322 | – |
| 2026 Mar 30 17:58 | 2026 Mar 26 08:44:40 | 99.9968 | 0.00573 | 1.2634 | 133.2308 | 44.3791 | 13.34322 | – |
| 2026 Mar 29 17:57 | 2026 Mar 26 08:44:40 | 99.9968 | 0.00573 | 1.2634 | 133.2308 | 44.3791 | 13.34322 | – |