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 | 21439 |
| 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 25 18:57 | 2026 Jan 19 18:32:52 | 99.9981 | 0.03388 | 1.8388 | 50.0809 | 312.9573 | 13.35596 | – |
| 2026 Jan 24 18:58 | 2026 Jan 19 18:32:52 | 99.9981 | 0.03388 | 1.8388 | 50.0809 | 312.9573 | 13.35596 | – |
| 2026 Jan 22 18:56 | 2026 Jan 19 18:32:52 | 99.9981 | 0.03388 | 1.8388 | 50.0809 | 312.9573 | 13.35596 | – |
| 2026 Jan 21 18:56 | 2026 Jan 09 06:50:37 | 99.9993 | 0.03379 | 1.1533 | 75.4732 | 312.9573 | 13.35596 | – |
| 2026 Jan 20 19:06 | 2026 Jan 09 06:50:37 | 99.9993 | 0.03379 | 1.1533 | 75.4732 | 312.9573 | 13.35596 | – |
| 2026 Jan 19 18:57 | 2026 Jan 09 06:50:37 | 99.9993 | 0.03379 | 1.1533 | 75.4732 | 312.9573 | 13.35596 | – |
| 2026 Jan 18 18:57 | 2026 Jan 09 06:50:37 | 99.9993 | 0.03379 | 1.1533 | 75.4732 | 312.9573 | 13.35596 | – |
| 2026 Jan 17 18:56 | 2026 Jan 09 06:50:37 | 99.9993 | 0.03379 | 1.1533 | 75.4732 | 312.9573 | 13.35596 | – |
| 2026 Jan 16 18:57 | 2026 Jan 09 06:50:37 | 99.9993 | 0.03379 | 1.1533 | 75.4732 | 312.9573 | 13.35596 | – |
| 2026 Jan 15 18:56 | 2026 Jan 09 06:50:37 | 99.9993 | 0.03379 | 1.1533 | 75.4732 | 312.9573 | 13.35596 | – |
| 2026 Jan 13 18:56 | 2026 Jan 09 06:50:37 | 99.9993 | 0.03379 | 1.1533 | 75.4732 | 312.9573 | 13.35596 | – |
| 2026 Jan 11 18:57 | 2026 Jan 09 06:50:37 | 99.9993 | 0.03379 | 1.1533 | 75.4732 | 312.9573 | 13.35596 | – |
| 2026 Jan 10 18:57 | 2026 Jan 05 05:45:06 | 99.9980 | 0.03377 | 0.8890 | 85.2832 | 312.9573 | 13.35596 | – |
| 2026 Jan 09 18:57 | 2026 Jan 05 05:45:06 | 99.9980 | 0.03377 | 0.8890 | 85.2832 | 312.9573 | 13.35596 | – |
| 2026 Jan 08 18:56 | 2026 Jan 05 05:45:06 | 99.9980 | 0.03377 | 0.8890 | 85.2832 | 312.9573 | 13.35596 | – |
| 2026 Jan 07 18:57 | 2026 Jan 05 05:45:06 | 99.9980 | 0.03377 | 0.8890 | 85.2832 | 312.9573 | 13.35596 | – |
| 2026 Jan 06 18:56 | 2026 Jan 05 05:45:06 | 99.9980 | 0.03377 | 0.8890 | 85.2832 | 312.9573 | 13.35596 | – |
| 2026 Jan 04 18:56 | 2025 Dec 26 06:35:52 | 99.9981 | 0.03378 | 0.2378 | 109.5197 | 312.9573 | 13.35596 | – |
| 2026 Jan 03 18:57 | 2025 Dec 26 06:35:52 | 99.9981 | 0.03378 | 0.2378 | 109.5197 | 312.9573 | 13.35596 | – |
| 2026 Jan 01 18:56 | 2025 Dec 26 06:35:52 | 99.9981 | 0.03378 | 0.2378 | 109.5197 | 312.9573 | 13.35596 | – |
| 2025 Dec 31 18:57 | 2025 Dec 26 06:35:52 | 99.9981 | 0.03378 | 0.2378 | 109.5197 | 312.9573 | 13.35596 | – |
| 2025 Dec 30 18:56 | 2025 Dec 26 06:35:52 | 99.9981 | 0.03378 | 0.2378 | 109.5197 | 312.9573 | 13.35596 | – |
| 2025 Dec 29 18:56 | 2025 Dec 26 06:35:52 | 99.9981 | 0.03378 | 0.2378 | 109.5197 | 312.9573 | 13.35596 | – |