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 | 21985 |
| 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 Jan 19 18:57 | 2026 Jan 16 13:48:00 | 99.5323 | 0.00281 | 16.3247 | 221.3825 | 168.0587 | 14.03942 | – |
| 2026 Jan 18 18:57 | 2026 Jan 16 13:48:00 | 99.5323 | 0.00281 | 16.3247 | 221.3825 | 168.0587 | 14.03942 | – |
| 2026 Jan 17 18:56 | 2026 Jan 16 13:48:00 | 99.5323 | 0.00281 | 16.3247 | 221.3825 | 168.0587 | 14.03942 | – |
| 2026 Jan 16 18:57 | 2026 Jan 16 13:48:00 | 99.5323 | 0.00281 | 16.3247 | 221.3825 | 168.0587 | 14.03942 | – |
| 2026 Jan 15 18:56 | 2026 Jan 11 14:04:10 | 99.5303 | 0.00291 | 15.9761 | 235.3852 | 168.0587 | 14.03942 | – |
| 2026 Jan 13 18:56 | 2026 Jan 11 14:04:10 | 99.5303 | 0.00291 | 15.9761 | 235.3852 | 168.0587 | 14.03942 | – |
| 2026 Jan 11 18:57 | 2026 Jan 11 14:04:10 | 99.5303 | 0.00291 | 15.9761 | 235.3852 | 168.0587 | 14.03942 | – |
| 2026 Jan 10 18:57 | 2026 Jan 02 10:07:11 | 99.5308 | 0.00311 | 15.3358 | 259.9013 | 168.0587 | 14.03942 | – |
| 2026 Jan 09 18:57 | 2026 Jan 02 10:07:11 | 99.5308 | 0.00311 | 15.3358 | 259.9013 | 168.0587 | 14.03942 | – |
| 2026 Jan 08 18:56 | 2026 Jan 02 10:07:11 | 99.5308 | 0.00311 | 15.3358 | 259.9013 | 168.0587 | 14.03942 | – |
| 2026 Jan 07 18:57 | 2026 Jan 02 10:07:11 | 99.5308 | 0.00311 | 15.3358 | 259.9013 | 168.0587 | 14.03942 | – |
| 2026 Jan 06 18:56 | 2026 Jan 02 10:07:11 | 99.5308 | 0.00311 | 15.3358 | 259.9013 | 168.0587 | 14.03942 | – |
| 2025 Dec 30 18:56 | 2025 Dec 20 09:03:47 | 99.5269 | 0.00339 | 14.4248 | 292.0722 | 168.0587 | 14.03942 | – |
| 2025 Dec 29 18:56 | 2025 Dec 20 09:03:47 | 99.5269 | 0.00339 | 14.4248 | 292.0722 | 168.0587 | 14.03942 | – |
| 2025 Dec 28 18:57 | 2025 Dec 20 09:03:47 | 99.5269 | 0.00339 | 14.4248 | 292.0722 | 168.0587 | 14.03942 | – |
| 2025 Dec 27 18:57 | 2025 Dec 20 09:03:47 | 99.5269 | 0.00339 | 14.4248 | 292.0722 | 168.0587 | 14.03942 | – |
| 2025 Dec 26 18:56 | 2025 Dec 20 09:03:47 | 99.5269 | 0.00339 | 14.4248 | 292.0722 | 168.0587 | 14.03942 | – |
| 2025 Dec 25 18:57 | 2025 Dec 20 09:03:47 | 99.5269 | 0.00339 | 14.4248 | 292.0722 | 168.0587 | 14.03942 | – |
| 2025 Dec 24 18:56 | 2025 Dec 20 09:03:47 | 99.5269 | 0.00339 | 14.4248 | 292.0722 | 168.0587 | 14.03942 | – |
| 2025 Dec 23 18:56 | 2025 Dec 20 09:03:47 | 99.5269 | 0.00339 | 14.4248 | 292.0722 | 168.0587 | 14.03942 | – |