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 |
| 2025 Dec 04 18:57 | 2025 Dec 02 12:04:30 | 33.3416 | 0.16394 | 16.9987 | 79.3022 | 298.7223 | 11.61557 | 8.243 |
| 2025 Dec 03 18:56 | 2025 Dec 02 12:04:30 | 33.3416 | 0.16394 | 16.9987 | 79.3022 | 298.7223 | 11.61557 | 8.243 |
| 2025 Dec 02 18:56 | 2025 Dec 02 12:04:30 | 33.3416 | 0.16394 | 16.9987 | 79.3022 | 298.7223 | 11.61557 | 8.243 |
| 2025 Nov 30 18:57 | 2025 Nov 25 04:37:53 | 33.3424 | 0.16395 | 18.7523 | 40.1346 | 298.7223 | 11.61557 | 8.243 |
| 2025 Nov 29 18:56 | 2025 Nov 25 04:37:53 | 33.3424 | 0.16395 | 18.7523 | 40.1346 | 298.7223 | 11.61557 | 8.243 |
| 2025 Nov 28 18:57 | 2025 Nov 25 04:37:53 | 33.3424 | 0.16395 | 18.7523 | 40.1346 | 298.7223 | 11.61557 | 8.243 |
| 2025 Nov 27 18:57 | 2025 Nov 25 04:37:53 | 33.3424 | 0.16395 | 18.7523 | 40.1346 | 298.7223 | 11.61557 | 8.243 |
| 2025 Nov 26 18:57 | 2025 Nov 25 04:37:53 | 33.3424 | 0.16395 | 18.7523 | 40.1346 | 298.7223 | 11.61557 | 8.243 |
| 2025 Nov 25 18:57 | 2025 Nov 25 04:37:53 | 33.3424 | 0.16395 | 18.7523 | 40.1346 | 298.7223 | 11.61557 | 8.243 |
| 2025 Nov 24 18:56 | 2025 Nov 19 06:11:29 | 33.3443 | 0.16395 | 20.1760 | 8.3366 | 298.7223 | 11.61557 | 8.243 |
| 2025 Nov 23 18:57 | 2025 Nov 19 06:11:29 | 33.3443 | 0.16395 | 20.1760 | 8.3366 | 298.7223 | 11.61557 | 8.243 |
| 2025 Nov 21 18:57 | 2025 Nov 19 06:11:29 | 33.3443 | 0.16395 | 20.1760 | 8.3366 | 298.7223 | 11.61557 | 8.243 |
| 2025 Nov 20 18:56 | 2025 Nov 19 06:11:29 | 33.3443 | 0.16395 | 20.1760 | 8.3366 | 298.7223 | 11.61557 | 8.243 |
| 2025 Nov 18 18:57 | 2025 Nov 08 12:08:09 | 33.3535 | 0.16403 | 22.7550 | 310.7320 | 298.7223 | 11.61557 | 8.243 |
| 2025 Nov 16 18:58 | 2025 Nov 08 12:08:09 | 33.3535 | 0.16403 | 22.7550 | 310.7320 | 298.7223 | 11.61557 | 8.243 |
| 2025 Nov 15 18:57 | 2025 Nov 08 12:08:09 | 33.3535 | 0.16403 | 22.7550 | 310.7320 | 298.7223 | 11.61557 | 8.243 |
| 2025 Nov 13 18:56 | 2025 Nov 08 12:08:09 | 33.3535 | 0.16403 | 22.7550 | 310.7320 | 298.7223 | 11.61557 | 8.243 |
| 2025 Nov 12 18:57 | 2025 Nov 08 12:08:09 | 33.3535 | 0.16403 | 22.7550 | 310.7320 | 298.7223 | 11.61557 | 8.243 |
| 2025 Nov 11 18:55 | 2025 Nov 08 12:08:09 | 33.3535 | 0.16403 | 22.7550 | 310.7320 | 298.7223 | 11.61557 | 8.243 |
| 2025 Nov 10 18:57 | 2025 Nov 08 12:08:09 | 33.3535 | 0.16403 | 22.7550 | 310.7320 | 298.7223 | 11.61557 | 8.243 |
| 2025 Nov 09 18:57 | 2025 Nov 08 12:08:09 | 33.3535 | 0.16403 | 22.7550 | 310.7320 | 298.7223 | 11.61557 | 8.243 |
| 2025 Nov 08 18:56 | 2025 Nov 02 11:38:15 | 33.3580 | 0.16405 | 0.1983 | 278.5091 | 298.7223 | 11.61557 | 8.243 |
| 2025 Nov 07 18:57 | 2025 Nov 02 11:38:15 | 33.3580 | 0.16405 | 0.1983 | 278.5091 | 298.7223 | 11.61557 | 8.243 |