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 | 21601 |
| 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 20 19:06 | 2026 Jan 15 22:06:20 | 99.7985 | 0.05430 | 23.5847 | 54.0597 | 335.9540 | 12.50253 | – |
| 2026 Jan 19 18:57 | 2026 Jan 15 22:06:20 | 99.7985 | 0.05430 | 23.5847 | 54.0597 | 335.9540 | 12.50253 | – |
| 2026 Jan 18 18:57 | 2026 Jan 15 22:06:20 | 99.7985 | 0.05430 | 23.5847 | 54.0597 | 335.9540 | 12.50253 | – |
| 2026 Jan 17 18:56 | 2026 Jan 15 22:06:20 | 99.7985 | 0.05430 | 23.5847 | 54.0597 | 335.9540 | 12.50253 | – |
| 2026 Jan 16 18:57 | 2026 Jan 15 22:06:20 | 99.7985 | 0.05430 | 23.5847 | 54.0597 | 335.9540 | 12.50253 | – |
| 2026 Jan 15 18:56 | 2026 Jan 04 10:10:32 | 99.7947 | 0.05421 | 22.9511 | 77.9705 | 335.9540 | 12.50253 | – |
| 2026 Jan 13 18:56 | 2026 Jan 04 10:10:32 | 99.7947 | 0.05421 | 22.9511 | 77.9705 | 335.9540 | 12.50253 | – |
| 2026 Jan 11 18:57 | 2026 Jan 04 10:10:32 | 99.7947 | 0.05421 | 22.9511 | 77.9705 | 335.9540 | 12.50253 | – |
| 2026 Jan 10 18:57 | 2026 Jan 04 10:10:32 | 99.7947 | 0.05421 | 22.9511 | 77.9705 | 335.9540 | 12.50253 | – |
| 2026 Jan 09 18:57 | 2026 Jan 04 10:10:32 | 99.7947 | 0.05421 | 22.9511 | 77.9705 | 335.9540 | 12.50253 | – |
| 2026 Jan 08 18:56 | 2026 Jan 04 10:10:32 | 99.7947 | 0.05421 | 22.9511 | 77.9705 | 335.9540 | 12.50253 | – |
| 2026 Jan 07 18:57 | 2026 Jan 04 10:10:32 | 99.7947 | 0.05421 | 22.9511 | 77.9705 | 335.9540 | 12.50253 | – |
| 2026 Jan 06 18:56 | 2026 Jan 04 10:10:32 | 99.7947 | 0.05421 | 22.9511 | 77.9705 | 335.9540 | 12.50253 | – |
| 2026 Jan 05 18:57 | 2025 Dec 30 22:00:53 | 99.7952 | 0.05419 | 22.7028 | 87.3416 | 335.9540 | 12.50253 | – |
| 2026 Jan 04 18:56 | 2025 Dec 30 22:00:53 | 99.7952 | 0.05419 | 22.7028 | 87.3416 | 335.9540 | 12.50253 | – |
| 2026 Jan 03 18:57 | 2025 Dec 30 22:00:53 | 99.7952 | 0.05419 | 22.7028 | 87.3416 | 335.9540 | 12.50253 | – |
| 2026 Jan 01 18:56 | 2025 Dec 30 22:00:53 | 99.7952 | 0.05419 | 22.7028 | 87.3416 | 335.9540 | 12.50253 | – |
| 2025 Dec 31 18:57 | 2025 Dec 30 22:00:53 | 99.7952 | 0.05419 | 22.7028 | 87.3416 | 335.9540 | 12.50253 | – |
| 2025 Dec 30 18:56 | 2025 Dec 25 11:54:29 | 99.7962 | 0.05417 | 22.4042 | 98.6019 | 335.9540 | 12.50253 | – |
| 2025 Dec 29 18:56 | 2025 Dec 25 11:54:29 | 99.7962 | 0.05417 | 22.4042 | 98.6019 | 335.9540 | 12.50253 | – |
| 2025 Dec 28 18:57 | 2025 Dec 25 11:54:29 | 99.7962 | 0.05417 | 22.4042 | 98.6019 | 335.9540 | 12.50253 | – |
| 2025 Dec 27 18:57 | 2025 Dec 25 11:54:29 | 99.7962 | 0.05417 | 22.4042 | 98.6019 | 335.9540 | 12.50253 | – |
| 2025 Dec 26 18:56 | 2025 Dec 25 11:54:29 | 99.7962 | 0.05417 | 22.4042 | 98.6019 | 335.9540 | 12.50253 | – |
| 2025 Dec 25 18:57 | 2025 Dec 14 21:50:55 | 99.7946 | 0.05411 | 21.8210 | 120.6794 | 335.9540 | 12.50253 | – |
| 2025 Dec 24 18:56 | 2025 Dec 14 21:50:55 | 99.7946 | 0.05411 | 21.8210 | 120.6794 | 335.9540 | 12.50253 | – |