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 | 21601 |
| 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 20 17:57 | 2026 Apr 18 08:55:59 | 99.8144 | 0.05410 | 4.6868 | 221.9078 | 297.2376 | 12.50283 | – |
| 2026 Apr 19 17:58 | 2026 Apr 18 08:55:59 | 99.8144 | 0.05410 | 4.6868 | 221.9078 | 297.2376 | 12.50283 | – |
| 2026 Apr 18 17:56 | 2026 Apr 12 08:54:15 | 99.8138 | 0.05412 | 4.3553 | 234.4413 | 297.2376 | 12.50283 | – |
| 2026 Apr 16 17:57 | 2026 Apr 12 08:54:15 | 99.8138 | 0.05412 | 4.3553 | 234.4413 | 297.2376 | 12.50283 | – |
| 2026 Apr 14 17:57 | 2026 Apr 12 08:54:15 | 99.8138 | 0.05412 | 4.3553 | 234.4413 | 297.2376 | 12.50283 | – |
| 2026 Apr 13 17:57 | 2026 Apr 12 08:54:15 | 99.8138 | 0.05412 | 4.3553 | 234.4413 | 297.2376 | 12.50283 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 08:53:23 | 99.8134 | 0.05413 | 4.1344 | 242.7860 | 297.2376 | 12.50283 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 08:53:23 | 99.8134 | 0.05413 | 4.1344 | 242.7860 | 297.2376 | 12.50283 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 08:53:23 | 99.8134 | 0.05413 | 4.1344 | 242.7860 | 297.2376 | 12.50283 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 08:53:23 | 99.8134 | 0.05413 | 4.1344 | 242.7860 | 297.2376 | 12.50283 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 08:53:23 | 99.8134 | 0.05413 | 4.1344 | 242.7860 | 297.2376 | 12.50283 | – |
| 2026 Apr 07 17:57 | 2026 Apr 01 20:35:24 | 99.8128 | 0.05413 | 3.7747 | 256.3547 | 297.2376 | 12.50283 | – |
| 2026 Apr 06 17:57 | 2026 Apr 01 20:35:24 | 99.8128 | 0.05413 | 3.7747 | 256.3547 | 297.2376 | 12.50283 | – |
| 2026 Apr 05 17:56 | 2026 Apr 01 20:35:24 | 99.8128 | 0.05413 | 3.7747 | 256.3547 | 297.2376 | 12.50283 | – |
| 2026 Apr 04 17:57 | 2026 Apr 01 20:35:24 | 99.8128 | 0.05413 | 3.7747 | 256.3547 | 297.2376 | 12.50283 | – |
| 2026 Apr 03 17:56 | 2026 Apr 01 20:35:24 | 99.8128 | 0.05413 | 3.7747 | 256.3547 | 297.2376 | 12.50283 | – |
| 2026 Apr 02 18:03 | 2026 Apr 01 20:35:24 | 99.8128 | 0.05413 | 3.7747 | 256.3547 | 297.2376 | 12.50283 | – |
| 2026 Mar 31 17:57 | 2026 Mar 25 08:48:33 | 99.8115 | 0.05417 | 3.3610 | 271.9723 | 297.2376 | 12.50283 | – |
| 2026 Mar 30 17:58 | 2026 Mar 25 08:48:33 | 99.8115 | 0.05417 | 3.3610 | 271.9723 | 297.2376 | 12.50283 | – |
| 2026 Mar 29 17:57 | 2026 Mar 25 08:48:33 | 99.8115 | 0.05417 | 3.3610 | 271.9723 | 297.2376 | 12.50283 | – |
| 2026 Mar 28 18:57 | 2026 Mar 25 08:48:33 | 99.8115 | 0.05417 | 3.3610 | 271.9723 | 297.2376 | 12.50283 | – |
| 2026 Mar 27 18:57 | 2026 Mar 25 08:48:33 | 99.8115 | 0.05417 | 3.3610 | 271.9723 | 297.2376 | 12.50283 | – |
| 2026 Mar 26 18:57 | 2026 Mar 25 08:48:33 | 99.8115 | 0.05417 | 3.3610 | 271.9723 | 297.2376 | 12.50283 | – |
| 2026 Mar 25 18:56 | 2026 Mar 18 20:30:31 | 99.8101 | 0.05420 | 3.0014 | 285.5371 | 297.2376 | 12.50283 | – |
| 2026 Mar 24 18:56 | 2026 Mar 18 20:30:31 | 99.8101 | 0.05420 | 3.0014 | 285.5371 | 297.2376 | 12.50283 | – |