Orbital elements of VANGUARD R/B
| Launched | 16 February 1959 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 12 |
| 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 Oct 12 17:56 | 2025 Oct 07 14:55:54 | 32.9061 | 0.16474 | 2.3474 | 207.8641 | 142.3248 | 11.48108 | 7.743 |
| 2025 Oct 11 17:57 | 2025 Oct 07 14:55:54 | 32.9061 | 0.16474 | 2.3474 | 207.8641 | 142.3248 | 11.48108 | 7.743 |
| 2025 Oct 09 17:56 | 2025 Oct 07 14:55:54 | 32.9061 | 0.16474 | 2.3474 | 207.8641 | 142.3248 | 11.48108 | 7.743 |
| 2025 Oct 08 17:56 | 2025 Oct 07 14:55:54 | 32.9061 | 0.16474 | 2.3474 | 207.8641 | 142.3248 | 11.48108 | 7.743 |
| 2025 Oct 07 17:56 | 2025 Oct 07 14:55:54 | 32.9061 | 0.16474 | 2.3474 | 207.8641 | 142.3248 | 11.48108 | 7.743 |
| 2025 Oct 05 17:56 | 2025 Sep 26 03:28:00 | 32.8959 | 0.16471 | 5.0421 | 147.1140 | 142.3248 | 11.48108 | 7.743 |
| 2025 Oct 04 17:57 | 2025 Sep 26 03:28:00 | 32.8959 | 0.16471 | 5.0421 | 147.1140 | 142.3248 | 11.48108 | 7.743 |
| 2025 Oct 03 17:57 | 2025 Sep 26 03:28:00 | 32.8959 | 0.16471 | 5.0421 | 147.1140 | 142.3248 | 11.48108 | 7.743 |
| 2025 Oct 02 17:56 | 2025 Sep 26 03:28:00 | 32.8959 | 0.16471 | 5.0421 | 147.1140 | 142.3248 | 11.48108 | 7.743 |
| 2025 Sep 30 17:56 | 2025 Sep 26 03:28:00 | 32.8959 | 0.16471 | 5.0421 | 147.1140 | 142.3248 | 11.48108 | 7.743 |
| 2025 Sep 29 17:56 | 2025 Sep 26 03:28:00 | 32.8959 | 0.16471 | 5.0421 | 147.1140 | 142.3248 | 11.48108 | 7.743 |
| 2025 Sep 28 17:56 | 2025 Sep 26 03:28:00 | 32.8959 | 0.16471 | 5.0421 | 147.1140 | 142.3248 | 11.48108 | 7.743 |
| 2025 Sep 27 17:56 | 2025 Sep 26 03:28:00 | 32.8959 | 0.16471 | 5.0421 | 147.1140 | 142.3248 | 11.48108 | 7.743 |
| 2025 Sep 26 17:56 | 2025 Sep 26 03:28:00 | 32.8959 | 0.16471 | 5.0421 | 147.1140 | 142.3248 | 11.48108 | 7.743 |
| 2025 Sep 25 17:56 | 2025 Sep 19 23:15:49 | 32.8958 | 0.16471 | 6.4919 | 114.4278 | 142.3248 | 11.48108 | 7.743 |
| 2025 Sep 24 17:56 | 2025 Sep 19 23:15:49 | 32.8958 | 0.16471 | 6.4919 | 114.4278 | 142.3248 | 11.48108 | 7.743 |
| 2025 Sep 20 17:56 | 2025 Sep 19 23:15:49 | 32.8958 | 0.16471 | 6.4919 | 114.4278 | 142.3248 | 11.48108 | 7.743 |
| 2025 Sep 19 17:56 | 2025 Sep 15 06:31:04 | 32.8956 | 0.16470 | 7.5945 | 89.5756 | 142.3248 | 11.48108 | 7.743 |
| 2025 Sep 18 17:56 | 2025 Sep 15 06:31:04 | 32.8956 | 0.16470 | 7.5945 | 89.5756 | 142.3248 | 11.48108 | 7.743 |
| 2025 Sep 15 17:56 | 2025 Sep 15 06:31:04 | 32.8956 | 0.16470 | 7.5945 | 89.5756 | 142.3248 | 11.48108 | 7.743 |