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 | 21551 |
| 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 Aug 03 17:56 | 2026 Aug 01 05:17:49 | 99.7767 | 0.01050 | 7.0101 | 205.4236 | 277.6642 | 13.24633 | – |
| 2026 Aug 02 17:57 | 2026 Aug 01 05:17:49 | 99.7767 | 0.01050 | 7.0101 | 205.4236 | 277.6642 | 13.24633 | – |
| 2026 Aug 01 17:57 | 2026 Aug 01 05:17:49 | 99.7767 | 0.01050 | 7.0101 | 205.4236 | 277.6642 | 13.24633 | – |
| 2026 Jul 31 17:56 | 2026 Jul 27 04:00:40 | 99.7777 | 0.01049 | 6.6937 | 217.5104 | 277.6642 | 13.24633 | – |
| 2026 Jul 30 17:57 | 2026 Jul 27 04:00:40 | 99.7777 | 0.01049 | 6.6937 | 217.5104 | 277.6642 | 13.24633 | – |
| 2026 Jul 29 17:57 | 2026 Jul 27 04:00:40 | 99.7777 | 0.01049 | 6.6937 | 217.5104 | 277.6642 | 13.24633 | – |
| 2026 Jul 28 17:57 | 2026 Jul 27 04:00:40 | 99.7777 | 0.01049 | 6.6937 | 217.5104 | 277.6642 | 13.24633 | – |
| 2026 Jul 27 17:57 | 2026 Jul 27 04:00:40 | 99.7777 | 0.01049 | 6.6937 | 217.5104 | 277.6642 | 13.24633 | – |
| 2026 Jul 26 17:56 | 2026 Jul 21 04:47:35 | 99.7788 | 0.01048 | 6.3201 | 231.7649 | 277.6642 | 13.24633 | – |
| 2026 Jul 25 17:57 | 2026 Jul 21 04:47:35 | 99.7788 | 0.01048 | 6.3201 | 231.7649 | 277.6642 | 13.24633 | – |
| 2026 Jul 24 17:56 | 2026 Jul 21 04:47:35 | 99.7788 | 0.01048 | 6.3201 | 231.7649 | 277.6642 | 13.24633 | – |
| 2026 Jul 23 17:57 | 2026 Jul 21 04:47:35 | 99.7788 | 0.01048 | 6.3201 | 231.7649 | 277.6642 | 13.24633 | – |
| 2026 Jul 22 17:57 | 2026 Jul 21 04:47:35 | 99.7788 | 0.01048 | 6.3201 | 231.7649 | 277.6642 | 13.24633 | – |
| 2026 Jul 21 17:57 | 2026 Jul 21 04:47:35 | 99.7788 | 0.01048 | 6.3201 | 231.7649 | 277.6642 | 13.24633 | – |
| 2026 Jul 20 17:57 | 2026 Jul 16 05:09:08 | 99.7795 | 0.01047 | 6.0080 | 243.6710 | 277.6642 | 13.24633 | – |
| 2026 Jul 19 19:06 | 2026 Jul 16 05:09:08 | 99.7795 | 0.01047 | 6.0080 | 243.6710 | 277.6642 | 13.24633 | – |
| 2026 Jul 19 17:57 | 2026 Jul 16 05:09:08 | 99.7795 | 0.01047 | 6.0080 | 243.6710 | 277.6642 | 13.24633 | – |
| 2026 Jul 18 17:57 | 2026 Jul 16 05:09:08 | 99.7795 | 0.01047 | 6.0080 | 243.6710 | 277.6642 | 13.24633 | – |
| 2026 Jul 17 17:57 | 2026 Jul 16 05:09:08 | 99.7795 | 0.01047 | 6.0080 | 243.6710 | 277.6642 | 13.24633 | – |
| 2026 Jul 16 17:56 | 2026 Jul 16 05:09:08 | 99.7795 | 0.01047 | 6.0080 | 243.6710 | 277.6642 | 13.24633 | – |
| 2026 Jul 15 17:57 | 2026 Jul 11 03:43:33 | 99.7804 | 0.01048 | 5.6912 | 255.7796 | 277.6642 | 13.24633 | – |
| 2026 Jul 14 17:56 | 2026 Jul 11 03:43:33 | 99.7804 | 0.01048 | 5.6912 | 255.7796 | 277.6642 | 13.24633 | – |
| 2026 Jul 13 17:56 | 2026 Jul 11 03:43:33 | 99.7804 | 0.01048 | 5.6912 | 255.7796 | 277.6642 | 13.24633 | – |
| 2026 Jul 12 17:56 | 2026 Jul 11 03:43:33 | 99.7804 | 0.01048 | 5.6912 | 255.7796 | 277.6642 | 13.24633 | – |
| 2026 Jul 11 17:56 | 2026 Jul 11 03:43:33 | 99.7804 | 0.01048 | 5.6912 | 255.7796 | 277.6642 | 13.24633 | – |
| 2026 Jul 09 17:56 | 2026 Jul 05 04:29:45 | 99.7815 | 0.01049 | 5.3175 | 270.0643 | 277.6642 | 13.24633 | – |
| 2026 Jul 08 17:56 | 2026 Jul 05 04:29:45 | 99.7815 | 0.01049 | 5.3175 | 270.0643 | 277.6642 | 13.24633 | – |
| 2026 Jul 07 17:56 | 2026 Jul 05 04:29:45 | 99.7815 | 0.01049 | 5.3175 | 270.0643 | 277.6642 | 13.24633 | – |