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 | 21497 |
| 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 Jul 31 17:56 | 2026 Jul 27 07:24:41 | 100.0282 | 0.00580 | 9.0932 | 270.5238 | 244.5095 | 13.32995 | – |
| 2026 Jul 30 17:57 | 2026 Jul 27 07:24:41 | 100.0282 | 0.00580 | 9.0932 | 270.5238 | 244.5095 | 13.32995 | – |
| 2026 Jul 29 17:57 | 2026 Jul 27 07:24:41 | 100.0282 | 0.00580 | 9.0932 | 270.5238 | 244.5095 | 13.32995 | – |
| 2026 Jul 28 17:57 | 2026 Jul 27 07:24:41 | 100.0282 | 0.00580 | 9.0932 | 270.5238 | 244.5095 | 13.32995 | – |
| 2026 Jul 27 17:57 | 2026 Jul 27 07:24:41 | 100.0282 | 0.00580 | 9.0932 | 270.5238 | 244.5095 | 13.32995 | – |
| 2026 Jul 26 17:56 | 2026 Jul 21 07:17:22 | 100.0285 | 0.00581 | 8.7020 | 285.0247 | 244.5095 | 13.32995 | – |
| 2026 Jul 25 17:57 | 2026 Jul 21 07:17:22 | 100.0285 | 0.00581 | 8.7020 | 285.0247 | 244.5095 | 13.32995 | – |
| 2026 Jul 24 17:56 | 2026 Jul 21 07:17:22 | 100.0285 | 0.00581 | 8.7020 | 285.0247 | 244.5095 | 13.32995 | – |
| 2026 Jul 23 17:57 | 2026 Jul 21 07:17:22 | 100.0285 | 0.00581 | 8.7020 | 285.0247 | 244.5095 | 13.32995 | – |
| 2026 Jul 22 17:57 | 2026 Jul 21 07:17:22 | 100.0285 | 0.00581 | 8.7020 | 285.0247 | 244.5095 | 13.32995 | – |
| 2026 Jul 21 17:57 | 2026 Jul 21 07:17:22 | 100.0285 | 0.00581 | 8.7020 | 285.0247 | 244.5095 | 13.32995 | – |
| 2026 Jul 20 17:57 | 2026 Jul 16 06:36:37 | 100.0288 | 0.00582 | 8.3745 | 297.1450 | 244.5095 | 13.32995 | – |
| 2026 Jul 19 19:06 | 2026 Jul 16 06:36:37 | 100.0288 | 0.00582 | 8.3745 | 297.1450 | 244.5095 | 13.32995 | – |
| 2026 Jul 19 17:57 | 2026 Jul 16 06:36:37 | 100.0288 | 0.00582 | 8.3745 | 297.1450 | 244.5095 | 13.32995 | – |
| 2026 Jul 18 17:57 | 2026 Jul 16 06:36:37 | 100.0288 | 0.00582 | 8.3745 | 297.1450 | 244.5095 | 13.32995 | – |
| 2026 Jul 17 17:57 | 2026 Jul 16 06:36:37 | 100.0288 | 0.00582 | 8.3745 | 297.1450 | 244.5095 | 13.32995 | – |
| 2026 Jul 16 17:56 | 2026 Jul 16 06:36:37 | 100.0288 | 0.00582 | 8.3745 | 297.1450 | 244.5095 | 13.32995 | – |
| 2026 Jul 15 17:57 | 2026 Jul 11 07:42:45 | 100.0292 | 0.00583 | 8.0518 | 309.0535 | 244.5095 | 13.32995 | – |
| 2026 Jul 14 17:56 | 2026 Jul 11 07:42:45 | 100.0292 | 0.00583 | 8.0518 | 309.0535 | 244.5095 | 13.32995 | – |
| 2026 Jul 13 17:56 | 2026 Jul 11 07:42:45 | 100.0292 | 0.00583 | 8.0518 | 309.0535 | 244.5095 | 13.32995 | – |
| 2026 Jul 12 17:56 | 2026 Jul 11 07:42:45 | 100.0292 | 0.00583 | 8.0518 | 309.0535 | 244.5095 | 13.32995 | – |
| 2026 Jul 11 17:56 | 2026 Jul 11 07:42:45 | 100.0292 | 0.00583 | 8.0518 | 309.0535 | 244.5095 | 13.32995 | – |
| 2026 Jul 09 17:56 | 2026 Jul 05 05:50:17 | 100.0294 | 0.00585 | 7.6559 | 323.6369 | 244.5095 | 13.32995 | – |
| 2026 Jul 08 17:56 | 2026 Jul 05 05:50:17 | 100.0294 | 0.00585 | 7.6559 | 323.6369 | 244.5095 | 13.32995 | – |
| 2026 Jul 07 17:56 | 2026 Jul 05 05:50:17 | 100.0294 | 0.00585 | 7.6559 | 323.6369 | 244.5095 | 13.32995 | – |
| 2026 Jul 06 17:57 | 2026 Jul 05 05:50:17 | 100.0294 | 0.00585 | 7.6559 | 323.6369 | 244.5095 | 13.32995 | – |
| 2026 Jul 05 17:56 | 2026 Jul 05 05:50:17 | 100.0294 | 0.00585 | 7.6559 | 323.6369 | 244.5095 | 13.32995 | – |
| 2026 Jul 04 17:56 | 2026 Jun 28 18:15:46 | 100.0298 | 0.00588 | 7.2336 | 339.1448 | 244.5095 | 13.32995 | – |