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 | 21439 |
| 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 21 17:18:18 | 100.0028 | 0.03411 | 7.8602 | 187.9264 | 171.6386 | 13.36622 | – |
| 2026 Apr 24 17:59 | 2026 Apr 21 17:18:18 | 100.0028 | 0.03411 | 7.8602 | 187.9264 | 171.6386 | 13.36622 | – |
| 2026 Apr 22 17:57 | 2026 Apr 12 06:56:14 | 100.0051 | 0.03383 | 7.2420 | 210.8461 | 171.6386 | 13.36622 | – |
| 2026 Apr 21 17:57 | 2026 Apr 12 06:56:14 | 100.0051 | 0.03383 | 7.2420 | 210.8461 | 171.6386 | 13.36622 | – |
| 2026 Apr 20 17:57 | 2026 Apr 12 06:56:14 | 100.0051 | 0.03383 | 7.2420 | 210.8461 | 171.6386 | 13.36622 | – |
| 2026 Apr 19 17:58 | 2026 Apr 12 06:56:14 | 100.0051 | 0.03383 | 7.2420 | 210.8461 | 171.6386 | 13.36622 | – |
| 2026 Apr 18 17:56 | 2026 Apr 12 06:56:14 | 100.0051 | 0.03383 | 7.2420 | 210.8461 | 171.6386 | 13.36622 | – |
| 2026 Apr 16 17:57 | 2026 Apr 12 06:56:14 | 100.0051 | 0.03383 | 7.2420 | 210.8461 | 171.6386 | 13.36622 | – |
| 2026 Apr 14 17:57 | 2026 Apr 12 06:56:14 | 100.0051 | 0.03383 | 7.2420 | 210.8461 | 171.6386 | 13.36622 | – |
| 2026 Apr 13 17:57 | 2026 Apr 12 06:56:14 | 100.0051 | 0.03383 | 7.2420 | 210.8461 | 171.6386 | 13.36622 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 05:55:11 | 100.0055 | 0.03374 | 6.9771 | 220.6947 | 171.6386 | 13.36622 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 05:55:11 | 100.0055 | 0.03374 | 6.9771 | 220.6947 | 171.6386 | 13.36622 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 05:55:11 | 100.0055 | 0.03374 | 6.9771 | 220.6947 | 171.6386 | 13.36622 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 05:55:11 | 100.0055 | 0.03374 | 6.9771 | 220.6947 | 171.6386 | 13.36622 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 05:55:11 | 100.0055 | 0.03374 | 6.9771 | 220.6947 | 171.6386 | 13.36622 | – |
| 2026 Apr 07 17:57 | 2026 Mar 31 18:15:07 | 100.0057 | 0.03364 | 6.4865 | 238.9978 | 171.6386 | 13.36622 | – |
| 2026 Apr 06 17:57 | 2026 Mar 31 18:15:07 | 100.0057 | 0.03364 | 6.4865 | 238.9978 | 171.6386 | 13.36622 | – |
| 2026 Apr 05 17:56 | 2026 Mar 31 18:15:07 | 100.0057 | 0.03364 | 6.4865 | 238.9978 | 171.6386 | 13.36622 | – |
| 2026 Apr 04 17:57 | 2026 Mar 31 18:15:07 | 100.0057 | 0.03364 | 6.4865 | 238.9978 | 171.6386 | 13.36622 | – |
| 2026 Apr 03 17:56 | 2026 Mar 31 18:15:07 | 100.0057 | 0.03364 | 6.4865 | 238.9978 | 171.6386 | 13.36622 | – |
| 2026 Apr 02 18:03 | 2026 Mar 31 18:15:07 | 100.0057 | 0.03364 | 6.4865 | 238.9978 | 171.6386 | 13.36622 | – |
| 2026 Mar 31 17:57 | 2026 Mar 23 07:13:02 | 100.0073 | 0.03361 | 5.9321 | 259.6755 | 171.6386 | 13.36622 | – |
| 2026 Mar 30 17:58 | 2026 Mar 23 07:13:02 | 100.0073 | 0.03361 | 5.9321 | 259.6755 | 171.6386 | 13.36622 | – |
| 2026 Mar 29 17:57 | 2026 Mar 23 07:13:02 | 100.0073 | 0.03361 | 5.9321 | 259.6755 | 171.6386 | 13.36622 | – |