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 | 21501 |
| 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 |
| 2025 Apr 18 17:57 | 2025 Apr 15 20:26:10 | 99.7880 | 0.05511 | 4.7870 | 359.2360 | 27.3923 | 12.47666 | – |
| 2025 Apr 17 17:56 | 2025 Apr 15 20:26:10 | 99.7880 | 0.05511 | 4.7870 | 359.2360 | 27.3923 | 12.47666 | – |
| 2025 Apr 16 17:57 | 2025 Apr 15 20:26:10 | 99.7880 | 0.05511 | 4.7870 | 359.2360 | 27.3923 | 12.47666 | – |
| 2025 Apr 15 17:56 | 2025 Apr 11 09:19:46 | 99.7873 | 0.05513 | 4.5423 | 8.4465 | 27.3923 | 12.47666 | – |
| 2025 Apr 14 17:56 | 2025 Apr 11 09:19:46 | 99.7873 | 0.05513 | 4.5423 | 8.4465 | 27.3923 | 12.47666 | – |
| 2025 Apr 11 17:57 | 2025 Apr 11 09:19:46 | 99.7873 | 0.05513 | 4.5423 | 8.4465 | 27.3923 | 12.47666 | – |
| 2025 Apr 10 17:56 | 2025 Apr 06 10:00:02 | 99.7866 | 0.05515 | 4.2698 | 18.7080 | 27.3923 | 12.47666 | – |
| 2025 Apr 09 17:57 | 2025 Apr 06 10:00:02 | 99.7866 | 0.05515 | 4.2698 | 18.7080 | 27.3923 | 12.47666 | – |
| 2025 Apr 08 17:57 | 2025 Apr 06 10:00:02 | 99.7866 | 0.05515 | 4.2698 | 18.7080 | 27.3923 | 12.47666 | – |
| 2025 Apr 07 17:56 | 2025 Apr 06 10:00:02 | 99.7866 | 0.05515 | 4.2698 | 18.7080 | 27.3923 | 12.47666 | – |
| 2025 Apr 06 17:56 | 2025 Apr 06 10:00:02 | 99.7866 | 0.05515 | 4.2698 | 18.7080 | 27.3923 | 12.47666 | – |
| 2025 Apr 05 17:56 | 2025 Apr 01 14:03:24 | 99.7860 | 0.05516 | 4.0050 | 28.6721 | 27.3923 | 12.47666 | – |
| 2025 Apr 04 17:56 | 2025 Apr 01 14:03:24 | 99.7860 | 0.05516 | 4.0050 | 28.6721 | 27.3923 | 12.47666 | – |
| 2025 Apr 03 17:56 | 2025 Apr 01 14:03:24 | 99.7860 | 0.05516 | 4.0050 | 28.6721 | 27.3923 | 12.47666 | – |
| 2025 Apr 02 17:57 | 2025 Apr 01 14:03:24 | 99.7860 | 0.05516 | 4.0050 | 28.6721 | 27.3923 | 12.47666 | – |
| 2025 Apr 01 17:56 | 2025 Apr 01 14:03:24 | 99.7860 | 0.05516 | 4.0050 | 28.6721 | 27.3923 | 12.47666 | – |
| 2025 Mar 31 17:56 | 2025 Mar 25 14:37:53 | 99.7848 | 0.05516 | 3.6228 | 43.0638 | 27.3923 | 12.47666 | – |
| 2025 Mar 30 17:57 | 2025 Mar 25 14:37:53 | 99.7848 | 0.05516 | 3.6228 | 43.0638 | 27.3923 | 12.47666 | – |
| 2025 Mar 29 18:56 | 2025 Mar 25 14:37:53 | 99.7848 | 0.05516 | 3.6228 | 43.0638 | 27.3923 | 12.47666 | – |
| 2025 Mar 28 18:57 | 2025 Mar 25 14:37:53 | 99.7848 | 0.05516 | 3.6228 | 43.0638 | 27.3923 | 12.47666 | – |
| 2025 Mar 27 18:56 | 2025 Mar 25 14:37:53 | 99.7848 | 0.05516 | 3.6228 | 43.0638 | 27.3923 | 12.47666 | – |
| 2025 Mar 26 18:57 | 2025 Mar 25 14:37:53 | 99.7848 | 0.05516 | 3.6228 | 43.0638 | 27.3923 | 12.47666 | – |
| 2025 Mar 25 18:57 | 2025 Mar 20 15:16:21 | 99.7841 | 0.05514 | 3.3503 | 53.3277 | 27.3923 | 12.47666 | – |
| 2025 Mar 24 18:57 | 2025 Mar 20 15:16:21 | 99.7841 | 0.05514 | 3.3503 | 53.3277 | 27.3923 | 12.47666 | – |
| 2025 Mar 23 18:58 | 2025 Mar 20 15:16:21 | 99.7841 | 0.05514 | 3.3503 | 53.3277 | 27.3923 | 12.47666 | – |
| 2025 Mar 22 18:58 | 2025 Mar 20 15:16:21 | 99.7841 | 0.05514 | 3.3503 | 53.3277 | 27.3923 | 12.47666 | – |