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 Aug 07 17:57 | 2026 Aug 06 23:17:34 | 33.3488 | 0.16380 | 5.6047 | 325.8468 | 24.6588 | 11.61998 | 8.243 |
| 2026 Aug 06 17:57 | 2026 Aug 01 00:55:25 | 33.3527 | 0.16383 | 7.0285 | 294.0541 | 24.6588 | 11.61998 | 8.243 |
| 2026 Aug 05 17:56 | 2026 Aug 01 00:55:25 | 33.3527 | 0.16383 | 7.0285 | 294.0541 | 24.6588 | 11.61998 | 8.243 |
| 2026 Aug 04 17:57 | 2026 Aug 01 00:55:25 | 33.3527 | 0.16383 | 7.0285 | 294.0541 | 24.6588 | 11.61998 | 8.243 |
| 2026 Aug 03 17:56 | 2026 Aug 01 00:55:25 | 33.3527 | 0.16383 | 7.0285 | 294.0541 | 24.6588 | 11.61998 | 8.243 |
| 2026 Aug 02 17:57 | 2026 Aug 01 00:55:25 | 33.3527 | 0.16383 | 7.0285 | 294.0541 | 24.6588 | 11.61998 | 8.243 |
| 2026 Aug 01 17:57 | 2026 Aug 01 00:55:25 | 33.3527 | 0.16383 | 7.0285 | 294.0541 | 24.6588 | 11.61998 | 8.243 |
| 2026 Jul 31 17:56 | 2026 Jul 27 01:16:06 | 33.3535 | 0.16384 | 8.2250 | 267.3429 | 24.6588 | 11.61998 | 8.243 |
| 2026 Jul 30 17:57 | 2026 Jul 27 01:16:06 | 33.3535 | 0.16384 | 8.2250 | 267.3429 | 24.6588 | 11.61998 | 8.243 |
| 2026 Jul 29 17:57 | 2026 Jul 27 01:16:06 | 33.3535 | 0.16384 | 8.2250 | 267.3429 | 24.6588 | 11.61998 | 8.243 |
| 2026 Jul 28 17:57 | 2026 Jul 27 01:16:06 | 33.3535 | 0.16384 | 8.2250 | 267.3429 | 24.6588 | 11.61998 | 8.243 |
| 2026 Jul 27 17:57 | 2026 Jul 27 01:16:06 | 33.3535 | 0.16384 | 8.2250 | 267.3429 | 24.6588 | 11.61998 | 8.243 |
| 2026 Jul 26 17:56 | 2026 Jul 21 05:00:43 | 33.3501 | 0.16382 | 9.6275 | 236.0287 | 24.6588 | 11.61998 | 8.243 |
| 2026 Jul 25 17:57 | 2026 Jul 21 05:00:43 | 33.3501 | 0.16382 | 9.6275 | 236.0287 | 24.6588 | 11.61998 | 8.243 |
| 2026 Jul 24 17:56 | 2026 Jul 21 05:00:43 | 33.3501 | 0.16382 | 9.6275 | 236.0287 | 24.6588 | 11.61998 | 8.243 |
| 2026 Jul 23 17:57 | 2026 Jul 21 05:00:43 | 33.3501 | 0.16382 | 9.6275 | 236.0287 | 24.6588 | 11.61998 | 8.243 |
| 2026 Jul 22 17:57 | 2026 Jul 21 05:00:43 | 33.3501 | 0.16382 | 9.6275 | 236.0287 | 24.6588 | 11.61998 | 8.243 |
| 2026 Jul 21 17:57 | 2026 Jul 21 05:00:43 | 33.3501 | 0.16382 | 9.6275 | 236.0287 | 24.6588 | 11.61998 | 8.243 |
| 2026 Jul 20 17:57 | 2026 Jul 16 05:24:26 | 33.3452 | 0.16378 | 10.8238 | 209.3123 | 24.6588 | 11.61998 | 8.243 |
| 2026 Jul 19 19:06 | 2026 Jul 16 05:24:26 | 33.3452 | 0.16378 | 10.8238 | 209.3123 | 24.6588 | 11.61998 | 8.243 |
| 2026 Jul 19 17:57 | 2026 Jul 16 05:24:26 | 33.3452 | 0.16378 | 10.8238 | 209.3123 | 24.6588 | 11.61998 | 8.243 |
| 2026 Jul 18 17:57 | 2026 Jul 16 05:24:26 | 33.3452 | 0.16378 | 10.8238 | 209.3123 | 24.6588 | 11.61998 | 8.243 |
| 2026 Jul 17 17:57 | 2026 Jul 16 05:24:26 | 33.3452 | 0.16378 | 10.8238 | 209.3123 | 24.6588 | 11.61998 | 8.243 |
| 2026 Jul 16 17:56 | 2026 Jul 16 05:24:26 | 33.3452 | 0.16378 | 10.8238 | 209.3123 | 24.6588 | 11.61998 | 8.243 |
| 2026 Jul 15 17:57 | 2026 Jul 11 01:41:44 | 33.3408 | 0.16375 | 12.0615 | 181.6656 | 24.6588 | 11.61998 | 8.243 |
| 2026 Jul 14 17:56 | 2026 Jul 11 01:41:44 | 33.3408 | 0.16375 | 12.0615 | 181.6656 | 24.6588 | 11.61998 | 8.243 |
| 2026 Jul 13 17:56 | 2026 Jul 11 01:41:44 | 33.3408 | 0.16375 | 12.0615 | 181.6656 | 24.6588 | 11.61998 | 8.243 |
| 2026 Jul 12 17:56 | 2026 Jul 11 01:41:44 | 33.3408 | 0.16375 | 12.0615 | 181.6656 | 24.6588 | 11.61998 | 8.243 |
| 2026 Jul 11 17:56 | 2026 Jul 11 01:41:44 | 33.3408 | 0.16375 | 12.0615 | 181.6656 | 24.6588 | 11.61998 | 8.243 |