Orbital elements of DELTA 1 R/B
| Launched | 21 November 1969 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 4251 |
| 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 Sep 15 17:56 | 2025 Sep 15 03:49:57 | 27.8277 | 0.55479 | 17.8390 | 358.0020 | 0.4951 | 4.63639 | 6.743 |
| 2025 Sep 12 17:57 | 2025 Sep 02 10:28:33 | 27.8483 | 0.55475 | 18.5870 | 339.5433 | 0.4951 | 4.63639 | 6.743 |
| 2025 Sep 11 17:57 | 2025 Sep 02 10:28:33 | 27.8483 | 0.55475 | 18.5870 | 339.5433 | 0.4951 | 4.63639 | 6.743 |
| 2025 Sep 10 17:56 | 2025 Sep 02 10:28:33 | 27.8483 | 0.55475 | 18.5870 | 339.5433 | 0.4951 | 4.63639 | 6.743 |
| 2025 Sep 08 17:57 | 2025 Sep 02 10:28:33 | 27.8483 | 0.55475 | 18.5870 | 339.5433 | 0.4951 | 4.63639 | 6.743 |
| 2025 Sep 07 17:56 | 2025 Sep 02 10:28:33 | 27.8483 | 0.55475 | 18.5870 | 339.5433 | 0.4951 | 4.63639 | 6.743 |
| 2025 Sep 06 20:41 | 2025 Sep 02 10:28:33 | 27.8483 | 0.55475 | 18.5870 | 339.5433 | 0.4951 | 4.63639 | 6.743 |
| 2025 Sep 03 17:57 | 2025 Sep 02 10:28:33 | 27.8483 | 0.55475 | 18.5870 | 339.5433 | 0.4951 | 4.63639 | 6.743 |
| 2025 Sep 02 17:56 | 2025 Aug 27 09:33:09 | 27.8563 | 0.55476 | 18.9417 | 330.7891 | 0.4951 | 4.63639 | 6.743 |
| 2025 Sep 01 17:56 | 2025 Aug 27 09:33:09 | 27.8563 | 0.55476 | 18.9417 | 330.7891 | 0.4951 | 4.63639 | 6.743 |
| 2025 Aug 31 17:56 | 2025 Aug 27 09:33:09 | 27.8563 | 0.55476 | 18.9417 | 330.7891 | 0.4951 | 4.63639 | 6.743 |
| 2025 Aug 30 17:56 | 2025 Aug 27 09:33:09 | 27.8563 | 0.55476 | 18.9417 | 330.7891 | 0.4951 | 4.63639 | 6.743 |
| 2025 Aug 29 17:56 | 2025 Aug 27 09:33:09 | 27.8563 | 0.55476 | 18.9417 | 330.7891 | 0.4951 | 4.63639 | 6.743 |
| 2025 Aug 28 17:57 | 2025 Aug 27 09:33:09 | 27.8563 | 0.55476 | 18.9417 | 330.7891 | 0.4951 | 4.63639 | 6.743 |
| 2025 Aug 27 17:56 | 2025 Aug 21 03:27:02 | 27.8634 | 0.55481 | 19.3089 | 321.7238 | 0.4951 | 4.63639 | 6.743 |
| 2025 Aug 26 17:56 | 2025 Aug 21 03:27:02 | 27.8634 | 0.55481 | 19.3089 | 321.7238 | 0.4951 | 4.63639 | 6.743 |
| 2025 Aug 25 17:56 | 2025 Aug 21 03:27:02 | 27.8634 | 0.55481 | 19.3089 | 321.7238 | 0.4951 | 4.63639 | 6.743 |
| 2025 Aug 24 17:56 | 2025 Aug 21 03:27:02 | 27.8634 | 0.55481 | 19.3089 | 321.7238 | 0.4951 | 4.63639 | 6.743 |
| 2025 Aug 23 17:56 | 2025 Aug 21 03:27:02 | 27.8634 | 0.55481 | 19.3089 | 321.7238 | 0.4951 | 4.63639 | 6.743 |
| 2025 Aug 22 17:56 | 2025 Aug 17 11:27:31 | 27.8654 | 0.55482 | 19.5241 | 316.4110 | 0.4951 | 4.63639 | 6.743 |
| 2025 Aug 20 17:56 | 2025 Aug 17 11:27:31 | 27.8654 | 0.55482 | 19.5241 | 316.4110 | 0.4951 | 4.63639 | 6.743 |
| 2025 Aug 19 17:56 | 2025 Aug 17 11:27:31 | 27.8654 | 0.55482 | 19.5241 | 316.4110 | 0.4951 | 4.63639 | 6.743 |