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 Jan 13 18:56 | 2026 Jan 11 11:13:45 | 32.9025 | 0.16474 | 3.8378 | 355.1852 | 3.4487 | 11.48474 | 7.743 |
| 2026 Jan 11 18:57 | 2026 Jan 11 11:13:45 | 32.9025 | 0.16474 | 3.8378 | 355.1852 | 3.4487 | 11.48474 | 7.743 |
| 2026 Jan 10 18:57 | 2026 Jan 06 05:57:38 | 32.9056 | 0.16477 | 5.0640 | 327.5485 | 3.4487 | 11.48474 | 7.743 |
| 2026 Jan 09 18:57 | 2026 Jan 06 05:57:38 | 32.9056 | 0.16477 | 5.0640 | 327.5485 | 3.4487 | 11.48474 | 7.743 |
| 2026 Jan 08 18:56 | 2026 Jan 06 05:57:38 | 32.9056 | 0.16477 | 5.0640 | 327.5485 | 3.4487 | 11.48474 | 7.743 |
| 2026 Jan 07 18:57 | 2026 Jan 06 05:57:38 | 32.9056 | 0.16477 | 5.0640 | 327.5485 | 3.4487 | 11.48474 | 7.743 |
| 2026 Jan 06 18:56 | 2026 Jan 06 05:57:38 | 32.9056 | 0.16477 | 5.0640 | 327.5485 | 3.4487 | 11.48474 | 7.743 |
| 2026 Jan 05 18:57 | 2025 Dec 31 14:15:41 | 32.9087 | 0.16481 | 6.3922 | 297.6219 | 3.4487 | 11.48474 | 7.743 |
| 2026 Jan 04 18:56 | 2025 Dec 31 14:15:41 | 32.9087 | 0.16481 | 6.3922 | 297.6219 | 3.4487 | 11.48474 | 7.743 |
| 2026 Jan 03 18:57 | 2025 Dec 31 14:15:41 | 32.9087 | 0.16481 | 6.3922 | 297.6219 | 3.4487 | 11.48474 | 7.743 |
| 2026 Jan 01 18:56 | 2025 Dec 31 14:15:41 | 32.9087 | 0.16481 | 6.3922 | 297.6219 | 3.4487 | 11.48474 | 7.743 |
| 2025 Dec 31 18:57 | 2025 Dec 31 14:15:41 | 32.9087 | 0.16481 | 6.3922 | 297.6219 | 3.4487 | 11.48474 | 7.743 |
| 2025 Dec 30 18:56 | 2025 Dec 26 15:16:41 | 32.9093 | 0.16481 | 7.5565 | 271.3889 | 3.4487 | 11.48474 | 7.743 |
| 2025 Dec 29 18:56 | 2025 Dec 26 15:16:41 | 32.9093 | 0.16481 | 7.5565 | 271.3889 | 3.4487 | 11.48474 | 7.743 |
| 2025 Dec 28 18:57 | 2025 Dec 26 15:16:41 | 32.9093 | 0.16481 | 7.5565 | 271.3889 | 3.4487 | 11.48474 | 7.743 |
| 2025 Dec 27 18:57 | 2025 Dec 26 15:16:41 | 32.9093 | 0.16481 | 7.5565 | 271.3889 | 3.4487 | 11.48474 | 7.743 |
| 2025 Dec 26 18:56 | 2025 Dec 26 15:16:41 | 32.9093 | 0.16481 | 7.5565 | 271.3889 | 3.4487 | 11.48474 | 7.743 |
| 2025 Dec 25 18:57 | 2025 Dec 20 11:05:57 | 32.9063 | 0.16479 | 9.0065 | 238.7169 | 3.4487 | 11.48474 | 7.743 |
| 2025 Dec 24 18:56 | 2025 Dec 20 11:05:57 | 32.9063 | 0.16479 | 9.0065 | 238.7169 | 3.4487 | 11.48474 | 7.743 |
| 2025 Dec 23 18:56 | 2025 Dec 20 11:05:57 | 32.9063 | 0.16479 | 9.0065 | 238.7169 | 3.4487 | 11.48474 | 7.743 |
| 2025 Dec 22 18:57 | 2025 Dec 20 11:05:57 | 32.9063 | 0.16479 | 9.0065 | 238.7169 | 3.4487 | 11.48474 | 7.743 |
| 2025 Dec 21 18:57 | 2025 Dec 20 11:05:57 | 32.9063 | 0.16479 | 9.0065 | 238.7169 | 3.4487 | 11.48474 | 7.743 |
| 2025 Dec 20 18:57 | 2025 Dec 20 11:05:57 | 32.9063 | 0.16479 | 9.0065 | 238.7169 | 3.4487 | 11.48474 | 7.743 |
| 2025 Dec 19 18:57 | 2025 Dec 11 20:32:21 | 32.8981 | 0.16473 | 11.0282 | 193.1489 | 3.4487 | 11.48474 | 7.743 |
| 2025 Dec 18 18:57 | 2025 Dec 11 20:32:21 | 32.8981 | 0.16473 | 11.0282 | 193.1489 | 3.4487 | 11.48474 | 7.743 |