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 | 21504 |
| 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 22 06:47:08 | 99.8308 | 0.05444 | 3.4082 | 282.8718 | 253.6715 | 12.48590 | – |
| 2026 Apr 27 17:58 | 2026 Apr 22 06:47:08 | 99.8308 | 0.05444 | 3.4082 | 282.8718 | 253.6715 | 12.48590 | – |
| 2026 Apr 26 17:58 | 2026 Apr 22 06:47:08 | 99.8308 | 0.05444 | 3.4082 | 282.8718 | 253.6715 | 12.48590 | – |
| 2026 Apr 25 17:58 | 2026 Apr 22 06:47:08 | 99.8308 | 0.05444 | 3.4082 | 282.8718 | 253.6715 | 12.48590 | – |
| 2026 Apr 24 17:59 | 2026 Apr 22 06:47:08 | 99.8308 | 0.05444 | 3.4082 | 282.8718 | 253.6715 | 12.48590 | – |
| 2026 Apr 23 17:57 | 2026 Apr 17 18:16:18 | 99.8304 | 0.05449 | 3.1588 | 292.2489 | 253.6715 | 12.48590 | – |
| 2026 Apr 22 17:57 | 2026 Apr 17 18:16:18 | 99.8304 | 0.05449 | 3.1588 | 292.2489 | 253.6715 | 12.48590 | – |
| 2026 Apr 21 17:57 | 2026 Apr 17 18:16:18 | 99.8304 | 0.05449 | 3.1588 | 292.2489 | 253.6715 | 12.48590 | – |
| 2026 Apr 20 17:57 | 2026 Apr 17 18:16:18 | 99.8304 | 0.05449 | 3.1588 | 292.2489 | 253.6715 | 12.48590 | – |
| 2026 Apr 19 17:58 | 2026 Apr 17 18:16:18 | 99.8304 | 0.05449 | 3.1588 | 292.2489 | 253.6715 | 12.48590 | – |
| 2026 Apr 18 17:56 | 2026 Apr 10 18:57:44 | 99.8294 | 0.05453 | 2.7744 | 306.7033 | 253.6715 | 12.48590 | – |
| 2026 Apr 16 17:57 | 2026 Apr 10 18:57:44 | 99.8294 | 0.05453 | 2.7744 | 306.7033 | 253.6715 | 12.48590 | – |
| 2026 Apr 14 17:57 | 2026 Apr 10 18:57:44 | 99.8294 | 0.05453 | 2.7744 | 306.7033 | 253.6715 | 12.48590 | – |
| 2026 Apr 13 17:57 | 2026 Apr 10 18:57:44 | 99.8294 | 0.05453 | 2.7744 | 306.7033 | 253.6715 | 12.48590 | – |
| 2026 Apr 12 17:57 | 2026 Apr 07 07:04:58 | 99.8292 | 0.05456 | 2.5817 | 313.9422 | 253.6715 | 12.48590 | – |
| 2026 Apr 11 17:57 | 2026 Apr 07 07:04:58 | 99.8292 | 0.05456 | 2.5817 | 313.9422 | 253.6715 | 12.48590 | – |
| 2026 Apr 10 17:58 | 2026 Apr 07 07:04:58 | 99.8292 | 0.05456 | 2.5817 | 313.9422 | 253.6715 | 12.48590 | – |
| 2026 Apr 09 18:01 | 2026 Apr 07 07:04:58 | 99.8292 | 0.05456 | 2.5817 | 313.9422 | 253.6715 | 12.48590 | – |
| 2026 Apr 08 17:57 | 2026 Apr 07 07:04:58 | 99.8292 | 0.05456 | 2.5817 | 313.9422 | 253.6715 | 12.48590 | – |
| 2026 Apr 07 17:57 | 2026 Apr 01 08:45:23 | 99.8289 | 0.05460 | 2.2547 | 326.2138 | 253.6715 | 12.48590 | – |
| 2026 Apr 06 17:57 | 2026 Apr 01 08:45:23 | 99.8289 | 0.05460 | 2.2547 | 326.2138 | 253.6715 | 12.48590 | – |
| 2026 Apr 05 17:56 | 2026 Apr 01 08:45:23 | 99.8289 | 0.05460 | 2.2547 | 326.2138 | 253.6715 | 12.48590 | – |
| 2026 Apr 04 17:57 | 2026 Apr 01 08:45:23 | 99.8289 | 0.05460 | 2.2547 | 326.2138 | 253.6715 | 12.48590 | – |
| 2026 Apr 03 17:56 | 2026 Apr 01 08:45:23 | 99.8289 | 0.05460 | 2.2547 | 326.2138 | 253.6715 | 12.48590 | – |
| 2026 Apr 02 18:03 | 2026 Apr 01 08:45:23 | 99.8289 | 0.05460 | 2.2547 | 326.2138 | 253.6715 | 12.48590 | – |