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 |
| 2026 Jan 11 18:57 | 2026 Jan 11 15:49:43 | 99.7229 | 0.02736 | 5.2166 | 228.1136 | 289.5547 | 12.98716 | – |
| 2026 Jan 10 18:57 | 2026 Jan 05 15:37:05 | 99.7220 | 0.02736 | 4.8590 | 241.7301 | 289.5547 | 12.98716 | – |
| 2026 Jan 09 18:57 | 2026 Jan 05 15:37:05 | 99.7220 | 0.02736 | 4.8590 | 241.7301 | 289.5547 | 12.98716 | – |
| 2026 Jan 08 18:56 | 2026 Jan 05 15:37:05 | 99.7220 | 0.02736 | 4.8590 | 241.7301 | 289.5547 | 12.98716 | – |
| 2026 Jan 07 18:57 | 2026 Jan 05 15:37:05 | 99.7220 | 0.02736 | 4.8590 | 241.7301 | 289.5547 | 12.98716 | – |
| 2026 Jan 06 18:56 | 2026 Jan 05 15:37:05 | 99.7220 | 0.02736 | 4.8590 | 241.7301 | 289.5547 | 12.98716 | – |
| 2026 Jan 05 18:57 | 2025 Dec 30 03:37:33 | 99.7226 | 0.02729 | 4.4721 | 256.4095 | 289.5547 | 12.98716 | – |
| 2026 Jan 04 18:56 | 2025 Dec 30 03:37:33 | 99.7226 | 0.02729 | 4.4721 | 256.4095 | 289.5547 | 12.98716 | – |
| 2026 Jan 03 18:57 | 2025 Dec 30 03:37:33 | 99.7226 | 0.02729 | 4.4721 | 256.4095 | 289.5547 | 12.98716 | – |
| 2026 Jan 01 18:56 | 2025 Dec 30 03:37:33 | 99.7226 | 0.02729 | 4.4721 | 256.4095 | 289.5547 | 12.98716 | – |
| 2025 Dec 31 18:57 | 2025 Dec 30 03:37:33 | 99.7226 | 0.02729 | 4.4721 | 256.4095 | 289.5547 | 12.98716 | – |
| 2025 Dec 30 18:56 | 2025 Dec 23 03:22:54 | 99.7242 | 0.02724 | 4.0548 | 272.3421 | 289.5547 | 12.98716 | – |
| 2025 Dec 29 18:56 | 2025 Dec 23 03:22:54 | 99.7242 | 0.02724 | 4.0548 | 272.3421 | 289.5547 | 12.98716 | – |
| 2025 Dec 28 18:57 | 2025 Dec 23 03:22:54 | 99.7242 | 0.02724 | 4.0548 | 272.3421 | 289.5547 | 12.98716 | – |
| 2025 Dec 27 18:57 | 2025 Dec 23 03:22:54 | 99.7242 | 0.02724 | 4.0548 | 272.3421 | 289.5547 | 12.98716 | – |
| 2025 Dec 26 18:56 | 2025 Dec 23 03:22:54 | 99.7242 | 0.02724 | 4.0548 | 272.3421 | 289.5547 | 12.98716 | – |
| 2025 Dec 25 18:57 | 2025 Dec 19 03:14:18 | 99.7257 | 0.02723 | 3.8163 | 281.4436 | 289.5547 | 12.98716 | – |
| 2025 Dec 24 18:56 | 2025 Dec 19 03:14:18 | 99.7257 | 0.02723 | 3.8163 | 281.4436 | 289.5547 | 12.98716 | – |
| 2025 Dec 23 18:56 | 2025 Dec 19 03:14:18 | 99.7257 | 0.02723 | 3.8163 | 281.4436 | 289.5547 | 12.98716 | – |
| 2025 Dec 22 18:57 | 2025 Dec 19 03:14:18 | 99.7257 | 0.02723 | 3.8163 | 281.4436 | 289.5547 | 12.98716 | – |
| 2025 Dec 21 18:57 | 2025 Dec 19 03:14:18 | 99.7257 | 0.02723 | 3.8163 | 281.4436 | 289.5547 | 12.98716 | – |
| 2025 Dec 20 18:57 | 2025 Dec 19 03:14:18 | 99.7257 | 0.02723 | 3.8163 | 281.4436 | 289.5547 | 12.98716 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 02:59:48 | 99.7277 | 0.02723 | 3.3990 | 297.4056 | 289.5547 | 12.98716 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 02:59:48 | 99.7277 | 0.02723 | 3.3990 | 297.4056 | 289.5547 | 12.98716 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 02:59:48 | 99.7277 | 0.02723 | 3.3990 | 297.4056 | 289.5547 | 12.98716 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 02:59:48 | 99.7277 | 0.02723 | 3.3990 | 297.4056 | 289.5547 | 12.98716 | – |