Orbital elements of DELTA 2 R/B
| Launched | 12 April 1991 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 21228 |
| 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 12 17:57 | 2025 Sep 03 05:12:10 | 23.9923 | 0.11344 | 1.0698 | 116.6300 | 255.4772 | 12.55303 | 4.743 |
| 2025 Sep 11 17:57 | 2025 Sep 03 05:12:10 | 23.9923 | 0.11344 | 1.0698 | 116.6300 | 255.4772 | 12.55303 | 4.743 |
| 2025 Sep 10 17:56 | 2025 Sep 03 05:12:10 | 23.9923 | 0.11344 | 1.0698 | 116.6300 | 255.4772 | 12.55303 | 4.743 |
| 2025 Sep 08 17:57 | 2025 Sep 03 05:12:10 | 23.9923 | 0.11344 | 1.0698 | 116.6300 | 255.4772 | 12.55303 | 4.743 |
| 2025 Sep 07 17:56 | 2025 Sep 03 05:12:10 | 23.9923 | 0.11344 | 1.0698 | 116.6300 | 255.4772 | 12.55303 | 4.743 |
| 2025 Sep 06 20:41 | 2025 Sep 03 05:12:10 | 23.9923 | 0.11344 | 1.0698 | 116.6300 | 255.4772 | 12.55303 | 4.743 |
| 2025 Sep 03 17:57 | 2025 Sep 03 05:12:10 | 23.9923 | 0.11344 | 1.0698 | 116.6300 | 255.4772 | 12.55303 | 4.743 |
| 2025 Sep 02 17:56 | 2025 Aug 27 20:31:01 | 23.9918 | 0.11345 | 3.0163 | 65.9497 | 255.4772 | 12.55303 | 4.743 |
| 2025 Sep 01 17:56 | 2025 Aug 27 20:31:01 | 23.9918 | 0.11345 | 3.0163 | 65.9497 | 255.4772 | 12.55303 | 4.743 |
| 2025 Aug 31 17:56 | 2025 Aug 27 20:31:01 | 23.9918 | 0.11345 | 3.0163 | 65.9497 | 255.4772 | 12.55303 | 4.743 |
| 2025 Aug 30 17:56 | 2025 Aug 27 20:31:01 | 23.9918 | 0.11345 | 3.0163 | 65.9497 | 255.4772 | 12.55303 | 4.743 |
| 2025 Aug 29 17:56 | 2025 Aug 27 20:31:01 | 23.9918 | 0.11345 | 3.0163 | 65.9497 | 255.4772 | 12.55303 | 4.743 |
| 2025 Aug 28 17:57 | 2025 Aug 27 20:31:01 | 23.9918 | 0.11345 | 3.0163 | 65.9497 | 255.4772 | 12.55303 | 4.743 |
| 2025 Aug 27 17:56 | 2025 Aug 23 05:47:30 | 23.9930 | 0.11346 | 4.4278 | 29.1976 | 255.4772 | 12.55303 | 4.743 |
| 2025 Aug 26 17:56 | 2025 Aug 23 05:47:30 | 23.9930 | 0.11346 | 4.4278 | 29.1976 | 255.4772 | 12.55303 | 4.743 |
| 2025 Aug 25 17:56 | 2025 Aug 23 05:47:30 | 23.9930 | 0.11346 | 4.4278 | 29.1976 | 255.4772 | 12.55303 | 4.743 |
| 2025 Aug 24 17:56 | 2025 Aug 23 05:47:30 | 23.9930 | 0.11346 | 4.4278 | 29.1976 | 255.4772 | 12.55303 | 4.743 |
| 2025 Aug 23 17:56 | 2025 Aug 23 05:47:30 | 23.9930 | 0.11346 | 4.4278 | 29.1976 | 255.4772 | 12.55303 | 4.743 |
| 2025 Aug 22 17:56 | 2025 Aug 17 21:52:23 | 23.9958 | 0.11347 | 6.0583 | 346.7311 | 255.4772 | 12.55303 | 4.743 |
| 2025 Aug 20 17:56 | 2025 Aug 17 21:52:23 | 23.9958 | 0.11347 | 6.0583 | 346.7311 | 255.4772 | 12.55303 | 4.743 |
| 2025 Aug 19 17:56 | 2025 Aug 17 21:52:23 | 23.9958 | 0.11347 | 6.0583 | 346.7311 | 255.4772 | 12.55303 | 4.743 |
| 2025 Aug 18 17:56 | 2025 Aug 17 21:52:23 | 23.9958 | 0.11347 | 6.0583 | 346.7311 | 255.4772 | 12.55303 | 4.743 |
| 2025 Aug 16 17:56 | 2025 Aug 11 09:19:34 | 23.9995 | 0.11348 | 8.0531 | 294.7705 | 255.4772 | 12.55303 | 4.743 |