Orbital elements of DELTA 1 R/B
| Launched | 2 February 1971 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 4903 |
| 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 Aug 31 17:56 | 2025 Aug 26 16:47:48 | 25.6928 | 0.58387 | 1.1624 | 266.3144 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 30 17:56 | 2025 Aug 26 16:47:48 | 25.6928 | 0.58387 | 1.1624 | 266.3144 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 29 17:56 | 2025 Aug 26 16:47:48 | 25.6928 | 0.58387 | 1.1624 | 266.3144 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 28 17:57 | 2025 Aug 26 16:47:48 | 25.6928 | 0.58387 | 1.1624 | 266.3144 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 27 17:56 | 2025 Aug 22 16:38:57 | 25.6909 | 0.58394 | 1.3770 | 260.8387 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 26 17:56 | 2025 Aug 22 16:38:57 | 25.6909 | 0.58394 | 1.3770 | 260.8387 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 25 17:56 | 2025 Aug 22 16:38:57 | 25.6909 | 0.58394 | 1.3770 | 260.8387 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 24 17:56 | 2025 Aug 22 16:38:57 | 25.6909 | 0.58394 | 1.3770 | 260.8387 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 23 17:56 | 2025 Aug 22 16:38:57 | 25.6909 | 0.58394 | 1.3770 | 260.8387 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 22 17:56 | 2025 Aug 17 17:52:59 | 25.6882 | 0.58401 | 1.6422 | 254.0662 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 20 17:56 | 2025 Aug 17 17:52:59 | 25.6882 | 0.58401 | 1.6422 | 254.0662 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 19 17:56 | 2025 Aug 17 17:52:59 | 25.6882 | 0.58401 | 1.6422 | 254.0662 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 18 17:56 | 2025 Aug 17 17:52:59 | 25.6882 | 0.58401 | 1.6422 | 254.0662 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 16 17:56 | 2025 Aug 11 14:50:58 | 25.6871 | 0.58407 | 1.9705 | 245.6855 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 15 17:57 | 2025 Aug 11 14:50:58 | 25.6871 | 0.58407 | 1.9705 | 245.6855 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 14 17:56 | 2025 Aug 11 14:50:58 | 25.6871 | 0.58407 | 1.9705 | 245.6855 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 13 17:58 | 2025 Aug 11 14:50:58 | 25.6871 | 0.58407 | 1.9705 | 245.6855 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 12 17:56 | 2025 Aug 11 14:50:58 | 25.6871 | 0.58407 | 1.9705 | 245.6855 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 11 17:56 | 2025 Aug 06 16:06:06 | 25.6818 | 0.58415 | 2.2358 | 238.9140 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 10 17:57 | 2025 Aug 06 16:06:06 | 25.6818 | 0.58415 | 2.2358 | 238.9140 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 09 17:56 | 2025 Aug 06 16:06:06 | 25.6818 | 0.58415 | 2.2358 | 238.9140 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 08 17:56 | 2025 Aug 06 16:06:06 | 25.6818 | 0.58415 | 2.2358 | 238.9140 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 07 17:56 | 2025 Aug 06 16:06:06 | 25.6818 | 0.58415 | 2.2358 | 238.9140 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 05 17:56 | 2025 Jul 31 18:45:13 | 25.6722 | 0.58423 | 2.5520 | 230.8473 | 29.2721 | 4.24126 | 7.743 |
| 2025 Aug 04 17:56 | 2025 Jul 31 18:45:13 | 25.6722 | 0.58423 | 2.5520 | 230.8473 | 29.2721 | 4.24126 | 7.743 |