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 | 21515 |
| 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 Dec 28 18:57 | 2025 Dec 23 03:22:54 | 99.7242 | 0.02724 | 4.0548 | 272.3421 | 113.0426 | 12.98713 | – |
| 2025 Dec 27 18:57 | 2025 Dec 23 03:22:54 | 99.7242 | 0.02724 | 4.0548 | 272.3421 | 113.0426 | 12.98713 | – |
| 2025 Dec 26 18:56 | 2025 Dec 23 03:22:54 | 99.7242 | 0.02724 | 4.0548 | 272.3421 | 113.0426 | 12.98713 | – |
| 2025 Dec 25 18:57 | 2025 Dec 19 03:14:18 | 99.7257 | 0.02723 | 3.8163 | 281.4436 | 113.0426 | 12.98713 | – |
| 2025 Dec 24 18:56 | 2025 Dec 19 03:14:18 | 99.7257 | 0.02723 | 3.8163 | 281.4436 | 113.0426 | 12.98713 | – |
| 2025 Dec 23 18:56 | 2025 Dec 19 03:14:18 | 99.7257 | 0.02723 | 3.8163 | 281.4436 | 113.0426 | 12.98713 | – |
| 2025 Dec 22 18:57 | 2025 Dec 19 03:14:18 | 99.7257 | 0.02723 | 3.8163 | 281.4436 | 113.0426 | 12.98713 | – |
| 2025 Dec 21 18:57 | 2025 Dec 19 03:14:18 | 99.7257 | 0.02723 | 3.8163 | 281.4436 | 113.0426 | 12.98713 | – |
| 2025 Dec 20 18:57 | 2025 Dec 19 03:14:18 | 99.7257 | 0.02723 | 3.8163 | 281.4436 | 113.0426 | 12.98713 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 02:59:48 | 99.7277 | 0.02723 | 3.3990 | 297.4056 | 113.0426 | 12.98713 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 02:59:48 | 99.7277 | 0.02723 | 3.3990 | 297.4056 | 113.0426 | 12.98713 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 02:59:48 | 99.7277 | 0.02723 | 3.3990 | 297.4056 | 113.0426 | 12.98713 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 02:59:48 | 99.7277 | 0.02723 | 3.3990 | 297.4056 | 113.0426 | 12.98713 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 02:59:48 | 99.7277 | 0.02723 | 3.3990 | 297.4056 | 113.0426 | 12.98713 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 02:59:48 | 99.7277 | 0.02723 | 3.3990 | 297.4056 | 113.0426 | 12.98713 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 02:59:48 | 99.7277 | 0.02723 | 3.3990 | 297.4056 | 113.0426 | 12.98713 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 02:59:48 | 99.7277 | 0.02723 | 3.3990 | 297.4056 | 113.0426 | 12.98713 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 02:48:56 | 99.7282 | 0.02722 | 3.1009 | 308.8064 | 113.0426 | 12.98713 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 02:48:56 | 99.7282 | 0.02722 | 3.1009 | 308.8064 | 113.0426 | 12.98713 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 02:48:56 | 99.7282 | 0.02722 | 3.1009 | 308.8064 | 113.0426 | 12.98713 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 02:48:56 | 99.7282 | 0.02722 | 3.1009 | 308.8064 | 113.0426 | 12.98713 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 02:48:56 | 99.7282 | 0.02722 | 3.1009 | 308.8064 | 113.0426 | 12.98713 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 02:38:55 | 99.7270 | 0.02722 | 2.8027 | 320.1998 | 113.0426 | 12.98713 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 02:38:55 | 99.7270 | 0.02722 | 2.8027 | 320.1998 | 113.0426 | 12.98713 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 02:38:55 | 99.7270 | 0.02722 | 2.8027 | 320.1998 | 113.0426 | 12.98713 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 02:38:55 | 99.7270 | 0.02722 | 2.8027 | 320.1998 | 113.0426 | 12.98713 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 02:38:55 | 99.7270 | 0.02722 | 2.8027 | 320.1998 | 113.0426 | 12.98713 | – |