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 | 21499 |
| 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 18 17:56 | 2026 Apr 12 20:47:30 | 99.6174 | 0.01335 | 15.8439 | 66.4041 | 83.8732 | 13.40643 | – |
| 2026 Apr 16 17:57 | 2026 Apr 12 20:47:30 | 99.6174 | 0.01335 | 15.8439 | 66.4041 | 83.8732 | 13.40643 | – |
| 2026 Apr 14 17:57 | 2026 Apr 12 20:47:30 | 99.6174 | 0.01335 | 15.8439 | 66.4041 | 83.8732 | 13.40643 | – |
| 2026 Apr 13 17:57 | 2026 Apr 12 20:47:30 | 99.6174 | 0.01335 | 15.8439 | 66.4041 | 83.8732 | 13.40643 | – |
| 2026 Apr 12 17:57 | 2026 Apr 05 20:26:02 | 99.6179 | 0.01361 | 15.3995 | 83.6600 | 83.8732 | 13.40643 | – |
| 2026 Apr 11 17:57 | 2026 Apr 05 20:26:02 | 99.6179 | 0.01361 | 15.3995 | 83.6600 | 83.8732 | 13.40643 | – |
| 2026 Apr 10 17:58 | 2026 Apr 05 20:26:02 | 99.6179 | 0.01361 | 15.3995 | 83.6600 | 83.8732 | 13.40643 | – |
| 2026 Apr 09 18:01 | 2026 Apr 05 20:26:02 | 99.6179 | 0.01361 | 15.3995 | 83.6600 | 83.8732 | 13.40643 | – |
| 2026 Apr 08 17:57 | 2026 Apr 05 20:26:02 | 99.6179 | 0.01361 | 15.3995 | 83.6600 | 83.8732 | 13.40643 | – |
| 2026 Apr 07 17:57 | 2026 Mar 31 20:25:47 | 99.6168 | 0.01377 | 15.0828 | 95.8520 | 83.8732 | 13.40643 | – |
| 2026 Apr 06 17:57 | 2026 Mar 31 20:25:47 | 99.6168 | 0.01377 | 15.0828 | 95.8520 | 83.8732 | 13.40643 | – |
| 2026 Apr 05 17:56 | 2026 Mar 31 20:25:47 | 99.6168 | 0.01377 | 15.0828 | 95.8520 | 83.8732 | 13.40643 | – |
| 2026 Apr 04 17:57 | 2026 Mar 31 20:25:47 | 99.6168 | 0.01377 | 15.0828 | 95.8520 | 83.8732 | 13.40643 | – |
| 2026 Apr 03 17:56 | 2026 Mar 31 20:25:47 | 99.6168 | 0.01377 | 15.0828 | 95.8520 | 83.8732 | 13.40643 | – |
| 2026 Apr 02 18:03 | 2026 Mar 31 20:25:47 | 99.6168 | 0.01377 | 15.0828 | 95.8520 | 83.8732 | 13.40643 | – |
| 2026 Mar 31 17:57 | 2026 Mar 24 20:04:29 | 99.6183 | 0.01404 | 14.6385 | 112.5828 | 83.8732 | 13.40643 | – |
| 2026 Mar 30 17:58 | 2026 Mar 24 20:04:29 | 99.6183 | 0.01404 | 14.6385 | 112.5828 | 83.8732 | 13.40643 | – |
| 2026 Mar 29 17:57 | 2026 Mar 24 20:04:29 | 99.6183 | 0.01404 | 14.6385 | 112.5828 | 83.8732 | 13.40643 | – |
| 2026 Mar 28 18:57 | 2026 Mar 24 20:04:29 | 99.6183 | 0.01404 | 14.6385 | 112.5828 | 83.8732 | 13.40643 | – |
| 2026 Mar 27 18:57 | 2026 Mar 24 20:04:29 | 99.6183 | 0.01404 | 14.6385 | 112.5828 | 83.8732 | 13.40643 | – |
| 2026 Mar 26 18:57 | 2026 Mar 24 20:04:29 | 99.6183 | 0.01404 | 14.6385 | 112.5828 | 83.8732 | 13.40643 | – |
| 2026 Mar 25 18:56 | 2026 Mar 20 08:07:45 | 99.6198 | 0.01417 | 14.3536 | 123.2700 | 83.8732 | 13.40643 | – |
| 2026 Mar 24 18:56 | 2026 Mar 20 08:07:45 | 99.6198 | 0.01417 | 14.3536 | 123.2700 | 83.8732 | 13.40643 | – |
| 2026 Mar 23 18:56 | 2026 Mar 20 08:07:45 | 99.6198 | 0.01417 | 14.3536 | 123.2700 | 83.8732 | 13.40643 | – |
| 2026 Mar 22 18:56 | 2026 Mar 20 08:07:45 | 99.6198 | 0.01417 | 14.3536 | 123.2700 | 83.8732 | 13.40643 | – |