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 | 21498 |
| 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 26 15:23:13 | 99.7061 | 0.02632 | 19.4416 | 90.2454 | 30.0784 | 12.95167 | – |
| 2025 Dec 27 18:57 | 2025 Dec 26 15:23:13 | 99.7061 | 0.02632 | 19.4416 | 90.2454 | 30.0784 | 12.95167 | – |
| 2025 Dec 26 18:56 | 2025 Dec 26 15:23:13 | 99.7061 | 0.02632 | 19.4416 | 90.2454 | 30.0784 | 12.95167 | – |
| 2025 Dec 25 18:57 | 2025 Dec 18 07:18:53 | 99.7057 | 0.02627 | 18.9496 | 109.0603 | 30.0784 | 12.95167 | – |
| 2025 Dec 24 18:56 | 2025 Dec 18 07:18:53 | 99.7057 | 0.02627 | 18.9496 | 109.0603 | 30.0784 | 12.95167 | – |
| 2025 Dec 23 18:56 | 2025 Dec 18 07:18:53 | 99.7057 | 0.02627 | 18.9496 | 109.0603 | 30.0784 | 12.95167 | – |
| 2025 Dec 22 18:57 | 2025 Dec 18 07:18:53 | 99.7057 | 0.02627 | 18.9496 | 109.0603 | 30.0784 | 12.95167 | – |
| 2025 Dec 21 18:57 | 2025 Dec 18 07:18:53 | 99.7057 | 0.02627 | 18.9496 | 109.0603 | 30.0784 | 12.95167 | – |
| 2025 Dec 20 18:57 | 2025 Dec 18 07:18:53 | 99.7057 | 0.02627 | 18.9496 | 109.0603 | 30.0784 | 12.95167 | – |
| 2025 Dec 19 18:57 | 2025 Dec 09 14:00:15 | 99.7048 | 0.02622 | 18.4348 | 128.7850 | 30.0784 | 12.95167 | – |
| 2025 Dec 18 18:57 | 2025 Dec 09 14:00:15 | 99.7048 | 0.02622 | 18.4348 | 128.7850 | 30.0784 | 12.95167 | – |
| 2025 Dec 17 18:58 | 2025 Dec 09 14:00:15 | 99.7048 | 0.02622 | 18.4348 | 128.7850 | 30.0784 | 12.95167 | – |
| 2025 Dec 16 18:57 | 2025 Dec 09 14:00:15 | 99.7048 | 0.02622 | 18.4348 | 128.7850 | 30.0784 | 12.95167 | – |
| 2025 Dec 15 18:58 | 2025 Dec 09 14:00:15 | 99.7048 | 0.02622 | 18.4348 | 128.7850 | 30.0784 | 12.95167 | – |
| 2025 Dec 14 18:56 | 2025 Dec 09 14:00:15 | 99.7048 | 0.02622 | 18.4348 | 128.7850 | 30.0784 | 12.95167 | – |
| 2025 Dec 13 18:56 | 2025 Dec 09 14:00:15 | 99.7048 | 0.02622 | 18.4348 | 128.7850 | 30.0784 | 12.95167 | – |
| 2025 Dec 12 18:57 | 2025 Dec 09 14:00:15 | 99.7048 | 0.02622 | 18.4348 | 128.7850 | 30.0784 | 12.95167 | – |
| 2025 Dec 11 18:56 | 2025 Dec 04 01:29:50 | 99.7042 | 0.02620 | 18.1089 | 141.2858 | 30.0784 | 12.95167 | – |
| 2025 Dec 10 18:56 | 2025 Dec 04 01:29:50 | 99.7042 | 0.02620 | 18.1089 | 141.2858 | 30.0784 | 12.95167 | – |
| 2025 Dec 09 18:56 | 2025 Dec 04 01:29:50 | 99.7042 | 0.02620 | 18.1089 | 141.2858 | 30.0784 | 12.95167 | – |
| 2025 Dec 08 18:56 | 2025 Dec 04 01:29:50 | 99.7042 | 0.02620 | 18.1089 | 141.2858 | 30.0784 | 12.95167 | – |
| 2025 Dec 07 18:56 | 2025 Dec 04 01:29:50 | 99.7042 | 0.02620 | 18.1089 | 141.2858 | 30.0784 | 12.95167 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 07:33:12 | 99.7040 | 0.02619 | 18.0058 | 145.2435 | 30.0784 | 12.95167 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 07:33:12 | 99.7040 | 0.02619 | 18.0058 | 145.2435 | 30.0784 | 12.95167 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 07:33:12 | 99.7040 | 0.02619 | 18.0058 | 145.2435 | 30.0784 | 12.95167 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 07:33:12 | 99.7040 | 0.02619 | 18.0058 | 145.2435 | 30.0784 | 12.95167 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 07:33:12 | 99.7040 | 0.02619 | 18.0058 | 145.2435 | 30.0784 | 12.95167 | – |