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 | 21512 |
| 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 24 17:57 | 2026 May 19 23:03:34 | 99.8989 | 0.00355 | 2.4091 | 264.0876 | 107.5704 | 13.40592 | – |
| 2026 May 23 17:58 | 2026 May 19 23:03:34 | 99.8989 | 0.00355 | 2.4091 | 264.0876 | 107.5704 | 13.40592 | – |
| 2026 May 22 17:57 | 2026 May 19 23:03:34 | 99.8989 | 0.00355 | 2.4091 | 264.0876 | 107.5704 | 13.40592 | – |
| 2026 May 21 17:57 | 2026 May 19 23:03:34 | 99.8989 | 0.00355 | 2.4091 | 264.0876 | 107.5704 | 13.40592 | – |
| 2026 May 20 17:57 | 2026 May 16 11:43:06 | 99.8992 | 0.00356 | 2.1829 | 272.7490 | 107.5704 | 13.40592 | – |
| 2026 May 19 17:58 | 2026 May 16 11:43:06 | 99.8992 | 0.00356 | 2.1829 | 272.7490 | 107.5704 | 13.40592 | – |
| 2026 May 18 17:57 | 2026 May 16 11:43:06 | 99.8992 | 0.00356 | 2.1829 | 272.7490 | 107.5704 | 13.40592 | – |
| 2026 May 17 17:57 | 2026 May 16 11:43:06 | 99.8992 | 0.00356 | 2.1829 | 272.7490 | 107.5704 | 13.40592 | – |
| 2026 May 16 17:56 | 2026 May 16 11:43:06 | 99.8992 | 0.00356 | 2.1829 | 272.7490 | 107.5704 | 13.40592 | – |
| 2026 May 15 17:57 | 2026 May 10 10:36:24 | 99.8998 | 0.00358 | 1.7890 | 287.7465 | 107.5704 | 13.40592 | – |
| 2026 May 14 17:58 | 2026 May 10 10:36:24 | 99.8998 | 0.00358 | 1.7890 | 287.7465 | 107.5704 | 13.40592 | – |
| 2026 May 13 17:58 | 2026 May 10 10:36:24 | 99.8998 | 0.00358 | 1.7890 | 287.7465 | 107.5704 | 13.40592 | – |
| 2026 May 12 17:58 | 2026 May 10 10:36:24 | 99.8998 | 0.00358 | 1.7890 | 287.7465 | 107.5704 | 13.40592 | – |
| 2026 May 11 17:56 | 2026 May 10 10:36:24 | 99.8998 | 0.00358 | 1.7890 | 287.7465 | 107.5704 | 13.40592 | – |
| 2026 May 10 17:57 | 2026 May 10 10:36:24 | 99.8998 | 0.00358 | 1.7890 | 287.7465 | 107.5704 | 13.40592 | – |
| 2026 May 09 17:57 | 2026 May 05 10:35:49 | 99.9001 | 0.00361 | 1.4632 | 300.0582 | 107.5704 | 13.40592 | – |
| 2026 May 08 17:57 | 2026 May 05 10:35:49 | 99.9001 | 0.00361 | 1.4632 | 300.0582 | 107.5704 | 13.40592 | – |
| 2026 May 07 17:58 | 2026 May 05 10:35:49 | 99.9001 | 0.00361 | 1.4632 | 300.0582 | 107.5704 | 13.40592 | – |
| 2026 May 06 17:57 | 2026 May 05 10:35:49 | 99.9001 | 0.00361 | 1.4632 | 300.0582 | 107.5704 | 13.40592 | – |
| 2026 May 05 17:57 | 2026 May 05 10:35:49 | 99.9001 | 0.00361 | 1.4632 | 300.0582 | 107.5704 | 13.40592 | – |
| 2026 May 04 17:57 | 2026 Apr 30 06:44:09 | 99.9008 | 0.00363 | 1.1270 | 312.6822 | 107.5704 | 13.40592 | – |
| 2026 May 03 17:57 | 2026 Apr 30 06:44:09 | 99.9008 | 0.00363 | 1.1270 | 312.6822 | 107.5704 | 13.40592 | – |
| 2026 May 02 17:57 | 2026 Apr 30 06:44:09 | 99.9008 | 0.00363 | 1.1270 | 312.6822 | 107.5704 | 13.40592 | – |
| 2026 May 01 17:56 | 2026 Apr 30 06:44:09 | 99.9008 | 0.00363 | 1.1270 | 312.6822 | 107.5704 | 13.40592 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 06:44:09 | 99.9008 | 0.00363 | 1.1270 | 312.6822 | 107.5704 | 13.40592 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 07:28:29 | 99.9012 | 0.00366 | 0.7381 | 327.1544 | 107.5704 | 13.40592 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 07:28:29 | 99.9012 | 0.00366 | 0.7381 | 327.1544 | 107.5704 | 13.40592 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 07:28:29 | 99.9012 | 0.00366 | 0.7381 | 327.1544 | 107.5704 | 13.40592 | – |