Orbital elements of VANGUARD 3
| Launched | 17 September 1959 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 20 |
| 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 Feb 05 18:58 | 2026 Feb 02 09:38:35 | 33.3438 | 0.16385 | 2.1466 | 51.0011 | 322.5457 | 11.61794 | 8.243 |
| 2026 Feb 04 18:57 | 2026 Feb 02 09:38:35 | 33.3438 | 0.16385 | 2.1466 | 51.0011 | 322.5457 | 11.61794 | 8.243 |
| 2026 Feb 03 18:56 | 2026 Feb 02 09:38:35 | 33.3438 | 0.16385 | 2.1466 | 51.0011 | 322.5457 | 11.61794 | 8.243 |
| 2026 Feb 02 18:56 | 2026 Feb 02 09:38:35 | 33.3438 | 0.16385 | 2.1466 | 51.0011 | 322.5457 | 11.61794 | 8.243 |
| 2026 Feb 01 18:56 | 2026 Jan 27 11:14:26 | 33.3438 | 0.16387 | 3.5707 | 19.1870 | 322.5457 | 11.61794 | 8.243 |
| 2026 Jan 31 18:56 | 2026 Jan 27 11:14:26 | 33.3438 | 0.16387 | 3.5707 | 19.1870 | 322.5457 | 11.61794 | 8.243 |
| 2026 Jan 30 18:57 | 2026 Jan 27 11:14:26 | 33.3438 | 0.16387 | 3.5707 | 19.1870 | 322.5457 | 11.61794 | 8.243 |
| 2026 Jan 29 18:56 | 2026 Jan 27 11:14:26 | 33.3438 | 0.16387 | 3.5707 | 19.1870 | 322.5457 | 11.61794 | 8.243 |
| 2026 Jan 28 18:56 | 2026 Jan 27 11:14:26 | 33.3438 | 0.16387 | 3.5707 | 19.1870 | 322.5457 | 11.61794 | 8.243 |
| 2026 Jan 27 18:56 | 2026 Jan 22 05:20:25 | 33.3466 | 0.16391 | 4.8298 | 351.0648 | 322.5457 | 11.61794 | 8.243 |
| 2026 Jan 26 18:57 | 2026 Jan 22 05:20:25 | 33.3466 | 0.16391 | 4.8298 | 351.0648 | 322.5457 | 11.61794 | 8.243 |
| 2026 Jan 25 18:57 | 2026 Jan 22 05:20:25 | 33.3466 | 0.16391 | 4.8298 | 351.0648 | 322.5457 | 11.61794 | 8.243 |
| 2026 Jan 24 18:58 | 2026 Jan 22 05:20:25 | 33.3466 | 0.16391 | 4.8298 | 351.0648 | 322.5457 | 11.61794 | 8.243 |
| 2026 Jan 22 18:56 | 2026 Jan 22 05:20:25 | 33.3466 | 0.16391 | 4.8298 | 351.0648 | 322.5457 | 11.61794 | 8.243 |
| 2026 Jan 21 18:56 | 2026 Jan 16 06:55:46 | 33.3504 | 0.16395 | 6.2537 | 319.2671 | 322.5457 | 11.61794 | 8.243 |
| 2026 Jan 20 19:06 | 2026 Jan 16 06:55:46 | 33.3504 | 0.16395 | 6.2537 | 319.2671 | 322.5457 | 11.61794 | 8.243 |
| 2026 Jan 19 18:57 | 2026 Jan 16 06:55:46 | 33.3504 | 0.16395 | 6.2537 | 319.2671 | 322.5457 | 11.61794 | 8.243 |
| 2026 Jan 18 18:57 | 2026 Jan 16 06:55:46 | 33.3504 | 0.16395 | 6.2537 | 319.2671 | 322.5457 | 11.61794 | 8.243 |
| 2026 Jan 17 18:56 | 2026 Jan 16 06:55:46 | 33.3504 | 0.16395 | 6.2537 | 319.2671 | 322.5457 | 11.61794 | 8.243 |
| 2026 Jan 16 18:57 | 2026 Jan 16 06:55:46 | 33.3504 | 0.16395 | 6.2537 | 319.2671 | 322.5457 | 11.61794 | 8.243 |
| 2026 Jan 15 18:56 | 2026 Jan 11 13:25:19 | 33.3525 | 0.16399 | 7.3884 | 293.9310 | 322.5457 | 11.61794 | 8.243 |
| 2026 Jan 13 18:56 | 2026 Jan 11 13:25:19 | 33.3525 | 0.16399 | 7.3884 | 293.9310 | 322.5457 | 11.61794 | 8.243 |