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 |
| 2026 Mar 05 18:56 | 2026 Mar 04 13:13:32 | 32.9083 | 0.16473 | 15.6005 | 271.0059 | 70.3033 | 11.48556 | 7.743 |
| 2026 Mar 04 18:57 | 2026 Mar 04 13:13:32 | 32.9083 | 0.16473 | 15.6005 | 271.0059 | 70.3033 | 11.48556 | 7.743 |
| 2026 Mar 03 18:56 | 2026 Feb 25 20:32:42 | 32.9066 | 0.16472 | 17.1733 | 235.5658 | 70.3033 | 11.48556 | 7.743 |
| 2026 Mar 02 18:57 | 2026 Feb 25 20:32:42 | 32.9066 | 0.16472 | 17.1733 | 235.5658 | 70.3033 | 11.48556 | 7.743 |
| 2026 Mar 01 18:57 | 2026 Feb 25 20:32:42 | 32.9066 | 0.16472 | 17.1733 | 235.5658 | 70.3033 | 11.48556 | 7.743 |
| 2026 Feb 28 18:56 | 2026 Feb 25 20:32:42 | 32.9066 | 0.16472 | 17.1733 | 235.5658 | 70.3033 | 11.48556 | 7.743 |
| 2026 Feb 27 19:05 | 2026 Feb 25 20:32:42 | 32.9066 | 0.16472 | 17.1733 | 235.5658 | 70.3033 | 11.48556 | 7.743 |
| 2026 Feb 26 20:45 | 2026 Feb 25 20:32:42 | 32.9066 | 0.16472 | 17.1733 | 235.5658 | 70.3033 | 11.48556 | 7.743 |