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 Dec 16 18:57 | 2025 Dec 12 03:56:28 | 23.9959 | 0.11338 | 18.4919 | 193.0549 | 163.8018 | 12.55475 | 4.743 |
| 2025 Dec 15 18:58 | 2025 Dec 12 03:56:28 | 23.9959 | 0.11338 | 18.4919 | 193.0549 | 163.8018 | 12.55475 | 4.743 |
| 2025 Dec 14 18:56 | 2025 Dec 12 03:56:28 | 23.9959 | 0.11338 | 18.4919 | 193.0549 | 163.8018 | 12.55475 | 4.743 |
| 2025 Dec 13 18:56 | 2025 Dec 12 03:56:28 | 23.9959 | 0.11338 | 18.4919 | 193.0549 | 163.8018 | 12.55475 | 4.743 |
| 2025 Dec 12 18:57 | 2025 Dec 12 03:56:28 | 23.9959 | 0.11338 | 18.4919 | 193.0549 | 163.8018 | 12.55475 | 4.743 |
| 2025 Dec 11 18:56 | 2025 Dec 07 05:40:43 | 23.9934 | 0.11339 | 19.9997 | 153.7811 | 163.8018 | 12.55475 | 4.743 |
| 2025 Dec 10 18:56 | 2025 Dec 07 05:40:43 | 23.9934 | 0.11339 | 19.9997 | 153.7811 | 163.8018 | 12.55475 | 4.743 |
| 2025 Dec 09 18:56 | 2025 Dec 07 05:40:43 | 23.9934 | 0.11339 | 19.9997 | 153.7811 | 163.8018 | 12.55475 | 4.743 |
| 2025 Dec 08 18:56 | 2025 Dec 07 05:40:43 | 23.9934 | 0.11339 | 19.9997 | 153.7811 | 163.8018 | 12.55475 | 4.743 |
| 2025 Dec 07 18:56 | 2025 Dec 07 05:40:43 | 23.9934 | 0.11339 | 19.9997 | 153.7811 | 163.8018 | 12.55475 | 4.743 |
| 2025 Dec 06 18:56 | 2025 Dec 02 09:18:21 | 23.9925 | 0.11339 | 21.4836 | 115.1380 | 163.8018 | 12.55475 | 4.743 |
| 2025 Dec 05 18:57 | 2025 Dec 02 09:18:21 | 23.9925 | 0.11339 | 21.4836 | 115.1380 | 163.8018 | 12.55475 | 4.743 |
| 2025 Dec 04 18:57 | 2025 Dec 02 09:18:21 | 23.9925 | 0.11339 | 21.4836 | 115.1380 | 163.8018 | 12.55475 | 4.743 |
| 2025 Dec 03 18:56 | 2025 Dec 02 09:18:21 | 23.9925 | 0.11339 | 21.4836 | 115.1380 | 163.8018 | 12.55475 | 4.743 |
| 2025 Dec 02 18:56 | 2025 Dec 02 09:18:21 | 23.9925 | 0.11339 | 21.4836 | 115.1380 | 163.8018 | 12.55475 | 4.743 |
| 2025 Nov 30 18:57 | 2025 Nov 25 11:16:41 | 23.9932 | 0.11339 | 23.6006 | 60.0184 | 163.8018 | 12.55475 | 4.743 |
| 2025 Nov 29 18:56 | 2025 Nov 25 11:16:41 | 23.9932 | 0.11339 | 23.6006 | 60.0184 | 163.8018 | 12.55475 | 4.743 |
| 2025 Nov 28 18:57 | 2025 Nov 25 11:16:41 | 23.9932 | 0.11339 | 23.6006 | 60.0184 | 163.8018 | 12.55475 | 4.743 |
| 2025 Nov 27 18:57 | 2025 Nov 25 11:16:41 | 23.9932 | 0.11339 | 23.6006 | 60.0184 | 163.8018 | 12.55475 | 4.743 |
| 2025 Nov 26 18:57 | 2025 Nov 25 11:16:41 | 23.9932 | 0.11339 | 23.6006 | 60.0184 | 163.8018 | 12.55475 | 4.743 |
| 2025 Nov 25 18:57 | 2025 Nov 25 11:16:41 | 23.9932 | 0.11339 | 23.6006 | 60.0184 | 163.8018 | 12.55475 | 4.743 |
| 2025 Nov 24 18:56 | 2025 Nov 20 05:17:39 | 23.9952 | 0.11339 | 1.2070 | 18.1862 | 163.8018 | 12.55475 | 4.743 |
| 2025 Nov 23 18:57 | 2025 Nov 20 05:17:39 | 23.9952 | 0.11339 | 1.2070 | 18.1862 | 163.8018 | 12.55475 | 4.743 |
| 2025 Nov 21 18:57 | 2025 Nov 20 05:17:39 | 23.9952 | 0.11339 | 1.2070 | 18.1862 | 163.8018 | 12.55475 | 4.743 |
| 2025 Nov 20 18:56 | 2025 Nov 20 05:17:39 | 23.9952 | 0.11339 | 1.2070 | 18.1862 | 163.8018 | 12.55475 | 4.743 |