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 | 21287 |
| 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 29 17:57 | 2026 Apr 24 09:10:16 | 99.7237 | 0.01311 | 17.5826 | 23.0255 | 5.7776 | 13.17954 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 09:10:16 | 99.7237 | 0.01311 | 17.5826 | 23.0255 | 5.7776 | 13.17954 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 09:10:16 | 99.7237 | 0.01311 | 17.5826 | 23.0255 | 5.7776 | 13.17954 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 09:10:16 | 99.7237 | 0.01311 | 17.5826 | 23.0255 | 5.7776 | 13.17954 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 09:10:16 | 99.7237 | 0.01311 | 17.5826 | 23.0255 | 5.7776 | 13.17954 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 09:10:16 | 99.7237 | 0.01311 | 17.5826 | 23.0255 | 5.7776 | 13.17954 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 08:55:34 | 99.7225 | 0.01312 | 17.2744 | 34.7505 | 5.7776 | 13.17954 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 08:55:34 | 99.7225 | 0.01312 | 17.2744 | 34.7505 | 5.7776 | 13.17954 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 08:55:34 | 99.7225 | 0.01312 | 17.2744 | 34.7505 | 5.7776 | 13.17954 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 08:55:34 | 99.7225 | 0.01312 | 17.2744 | 34.7505 | 5.7776 | 13.17954 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 08:55:34 | 99.7225 | 0.01312 | 17.2744 | 34.7505 | 5.7776 | 13.17954 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 04:15:25 | 99.7213 | 0.01314 | 16.8933 | 49.2399 | 5.7776 | 13.17954 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 04:15:25 | 99.7213 | 0.01314 | 16.8933 | 49.2399 | 5.7776 | 13.17954 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 04:15:25 | 99.7213 | 0.01314 | 16.8933 | 49.2399 | 5.7776 | 13.17954 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 04:15:25 | 99.7213 | 0.01314 | 16.8933 | 49.2399 | 5.7776 | 13.17954 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 15:57:19 | 99.7203 | 0.01315 | 16.6157 | 59.7821 | 5.7776 | 13.17954 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 15:57:19 | 99.7203 | 0.01315 | 16.6157 | 59.7821 | 5.7776 | 13.17954 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 15:57:19 | 99.7203 | 0.01315 | 16.6157 | 59.7821 | 5.7776 | 13.17954 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 15:57:19 | 99.7203 | 0.01315 | 16.6157 | 59.7821 | 5.7776 | 13.17954 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 15:57:19 | 99.7203 | 0.01315 | 16.6157 | 59.7821 | 5.7776 | 13.17954 | – |
| 2026 Apr 07 17:57 | 2026 Apr 02 07:25:51 | 99.7189 | 0.01315 | 16.2248 | 74.6155 | 5.7776 | 13.17954 | – |
| 2026 Apr 06 17:57 | 2026 Apr 02 07:25:51 | 99.7189 | 0.01315 | 16.2248 | 74.6155 | 5.7776 | 13.17954 | – |
| 2026 Apr 05 17:56 | 2026 Apr 02 07:25:51 | 99.7189 | 0.01315 | 16.2248 | 74.6155 | 5.7776 | 13.17954 | – |
| 2026 Apr 04 17:57 | 2026 Apr 02 07:25:51 | 99.7189 | 0.01315 | 16.2248 | 74.6155 | 5.7776 | 13.17954 | – |
| 2026 Apr 03 17:56 | 2026 Apr 02 07:25:51 | 99.7189 | 0.01315 | 16.2248 | 74.6155 | 5.7776 | 13.17954 | – |
| 2026 Apr 02 18:03 | 2026 Apr 02 07:25:51 | 99.7189 | 0.01315 | 16.2248 | 74.6155 | 5.7776 | 13.17954 | – |