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 | 21546 |
| 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 May 17 17:57 | 2026 May 15 07:23:50 | 99.5548 | 0.06176 | 5.4075 | 32.3080 | 117.6905 | 12.28838 | – |
| 2026 May 16 17:56 | 2026 May 15 07:23:50 | 99.5548 | 0.06176 | 5.4075 | 32.3080 | 117.6905 | 12.28838 | – |
| 2026 May 15 17:57 | 2026 May 09 19:58:00 | 99.5545 | 0.06174 | 5.1242 | 43.2453 | 117.6905 | 12.28838 | – |
| 2026 May 14 17:58 | 2026 May 09 19:58:00 | 99.5545 | 0.06174 | 5.1242 | 43.2453 | 117.6905 | 12.28838 | – |
| 2026 May 13 17:58 | 2026 May 09 19:58:00 | 99.5545 | 0.06174 | 5.1242 | 43.2453 | 117.6905 | 12.28838 | – |
| 2026 May 12 17:58 | 2026 May 09 19:58:00 | 99.5545 | 0.06174 | 5.1242 | 43.2453 | 117.6905 | 12.28838 | – |
| 2026 May 11 17:56 | 2026 May 09 19:58:00 | 99.5545 | 0.06174 | 5.1242 | 43.2453 | 117.6905 | 12.28838 | – |
| 2026 May 10 17:57 | 2026 May 09 19:58:00 | 99.5545 | 0.06174 | 5.1242 | 43.2453 | 117.6905 | 12.28838 | – |
| 2026 May 09 17:57 | 2026 May 05 08:59:22 | 99.5544 | 0.06171 | 4.8936 | 52.1545 | 117.6905 | 12.28838 | – |
| 2026 May 08 17:57 | 2026 May 05 08:59:22 | 99.5544 | 0.06171 | 4.8936 | 52.1545 | 117.6905 | 12.28838 | – |
| 2026 May 07 17:58 | 2026 May 05 08:59:22 | 99.5544 | 0.06171 | 4.8936 | 52.1545 | 117.6905 | 12.28838 | – |
| 2026 May 06 17:57 | 2026 May 05 08:59:22 | 99.5544 | 0.06171 | 4.8936 | 52.1545 | 117.6905 | 12.28838 | – |
| 2026 May 05 17:57 | 2026 May 05 08:59:22 | 99.5544 | 0.06171 | 4.8936 | 52.1545 | 117.6905 | 12.28838 | – |
| 2026 May 04 17:57 | 2026 Apr 30 15:48:34 | 99.5544 | 0.06166 | 4.6497 | 61.5807 | 117.6905 | 12.28838 | – |
| 2026 May 03 17:57 | 2026 Apr 30 15:48:34 | 99.5544 | 0.06166 | 4.6497 | 61.5807 | 117.6905 | 12.28838 | – |
| 2026 May 02 17:57 | 2026 Apr 30 15:48:34 | 99.5544 | 0.06166 | 4.6497 | 61.5807 | 117.6905 | 12.28838 | – |
| 2026 May 01 17:56 | 2026 Apr 30 15:48:34 | 99.5544 | 0.06166 | 4.6497 | 61.5807 | 117.6905 | 12.28838 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 15:48:34 | 99.5544 | 0.06166 | 4.6497 | 61.5807 | 117.6905 | 12.28838 | – |
| 2026 Apr 29 17:57 | 2026 Apr 22 08:26:08 | 99.5540 | 0.06154 | 4.2200 | 78.2244 | 117.6905 | 12.28838 | – |
| 2026 Apr 28 17:56 | 2026 Apr 22 08:26:08 | 99.5540 | 0.06154 | 4.2200 | 78.2244 | 117.6905 | 12.28838 | – |
| 2026 Apr 27 17:58 | 2026 Apr 22 08:26:08 | 99.5540 | 0.06154 | 4.2200 | 78.2244 | 117.6905 | 12.28838 | – |
| 2026 Apr 26 17:58 | 2026 Apr 22 08:26:08 | 99.5540 | 0.06154 | 4.2200 | 78.2244 | 117.6905 | 12.28838 | – |
| 2026 Apr 25 17:58 | 2026 Apr 22 08:26:08 | 99.5540 | 0.06154 | 4.2200 | 78.2244 | 117.6905 | 12.28838 | – |
| 2026 Apr 24 17:59 | 2026 Apr 22 08:26:08 | 99.5540 | 0.06154 | 4.2200 | 78.2244 | 117.6905 | 12.28838 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 08:03:15 | 99.5542 | 0.06148 | 4.0640 | 84.2755 | 117.6905 | 12.28838 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 08:03:15 | 99.5542 | 0.06148 | 4.0640 | 84.2755 | 117.6905 | 12.28838 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 08:03:15 | 99.5542 | 0.06148 | 4.0640 | 84.2755 | 117.6905 | 12.28838 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 08:03:15 | 99.5542 | 0.06148 | 4.0640 | 84.2755 | 117.6905 | 12.28838 | – |