Orbital elements of VANGUARD R/B
| Launched | 16 March 1958 |
| Flight ended | – |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 16 |
| 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 May 18 17:57 | 2026 May 16 00:00:07 | 34.2680 | 0.20182 | 2.5422 | 344.5839 | 10.1074 | 10.49588 | 8.243 |
| 2026 May 17 17:57 | 2026 May 16 00:00:07 | 34.2680 | 0.20182 | 2.5422 | 344.5839 | 10.1074 | 10.49588 | 8.243 |
| 2026 May 16 17:56 | 2026 May 16 00:00:07 | 34.2680 | 0.20182 | 2.5422 | 344.5839 | 10.1074 | 10.49588 | 8.243 |
| 2026 May 15 17:57 | 2026 May 10 02:20:22 | 34.2719 | 0.20187 | 3.6798 | 319.6611 | 10.1074 | 10.49588 | 8.243 |
| 2026 May 14 17:58 | 2026 May 10 02:20:22 | 34.2719 | 0.20187 | 3.6798 | 319.6611 | 10.1074 | 10.49588 | 8.243 |
| 2026 May 13 17:58 | 2026 May 10 02:20:22 | 34.2719 | 0.20187 | 3.6798 | 319.6611 | 10.1074 | 10.49588 | 8.243 |
| 2026 May 12 17:58 | 2026 May 10 02:20:22 | 34.2719 | 0.20187 | 3.6798 | 319.6611 | 10.1074 | 10.49588 | 8.243 |
| 2026 May 11 17:56 | 2026 May 10 02:20:22 | 34.2719 | 0.20187 | 3.6798 | 319.6611 | 10.1074 | 10.49588 | 8.243 |
| 2026 May 10 17:57 | 2026 May 10 02:20:22 | 34.2719 | 0.20187 | 3.6798 | 319.6611 | 10.1074 | 10.49588 | 8.243 |
| 2026 May 09 17:57 | 2026 May 05 05:49:07 | 34.2744 | 0.20191 | 4.6153 | 299.1707 | 10.1074 | 10.49588 | 8.243 |
| 2026 May 08 17:57 | 2026 May 05 05:49:07 | 34.2744 | 0.20191 | 4.6153 | 299.1707 | 10.1074 | 10.49588 | 8.243 |
| 2026 May 07 17:58 | 2026 May 05 05:49:07 | 34.2744 | 0.20191 | 4.6153 | 299.1707 | 10.1074 | 10.49588 | 8.243 |
| 2026 May 06 17:57 | 2026 May 05 05:49:07 | 34.2744 | 0.20191 | 4.6153 | 299.1707 | 10.1074 | 10.49588 | 8.243 |
| 2026 May 05 17:57 | 2026 May 05 05:49:07 | 34.2744 | 0.20191 | 4.6153 | 299.1707 | 10.1074 | 10.49588 | 8.243 |
| 2026 May 04 17:57 | 2026 Apr 30 04:44:27 | 34.2752 | 0.20194 | 5.5874 | 277.8838 | 10.1074 | 10.49588 | 8.243 |
| 2026 May 03 17:57 | 2026 Apr 30 04:44:27 | 34.2752 | 0.20194 | 5.5874 | 277.8838 | 10.1074 | 10.49588 | 8.243 |
| 2026 May 02 17:57 | 2026 Apr 30 04:44:27 | 34.2752 | 0.20194 | 5.5874 | 277.8838 | 10.1074 | 10.49588 | 8.243 |
| 2026 May 01 17:56 | 2026 Apr 30 04:44:27 | 34.2752 | 0.20194 | 5.5874 | 277.8838 | 10.1074 | 10.49588 | 8.243 |
| 2026 Apr 30 17:56 | 2026 Apr 30 04:44:27 | 34.2752 | 0.20194 | 5.5874 | 277.8838 | 10.1074 | 10.49588 | 8.243 |
| 2026 Apr 29 17:57 | 2026 Apr 24 09:24:30 | 34.2731 | 0.20194 | 6.7060 | 253.3858 | 10.1074 | 10.49588 | 8.243 |
| 2026 Apr 28 17:56 | 2026 Apr 24 09:24:30 | 34.2731 | 0.20194 | 6.7060 | 253.3858 | 10.1074 | 10.49588 | 8.243 |
| 2026 Apr 27 17:58 | 2026 Apr 24 09:24:30 | 34.2731 | 0.20194 | 6.7060 | 253.3858 | 10.1074 | 10.49588 | 8.243 |
| 2026 Apr 26 17:58 | 2026 Apr 24 09:24:30 | 34.2731 | 0.20194 | 6.7060 | 253.3858 | 10.1074 | 10.49588 | 8.243 |
| 2026 Apr 25 17:58 | 2026 Apr 24 09:24:30 | 34.2731 | 0.20194 | 6.7060 | 253.3858 | 10.1074 | 10.49588 | 8.243 |
| 2026 Apr 24 17:59 | 2026 Apr 24 09:24:30 | 34.2731 | 0.20194 | 6.7060 | 253.3858 | 10.1074 | 10.49588 | 8.243 |
| 2026 Apr 23 17:57 | 2026 Apr 19 01:31:18 | 34.2693 | 0.20193 | 7.7329 | 230.8933 | 10.1074 | 10.49588 | 8.243 |
| 2026 Apr 22 17:57 | 2026 Apr 19 01:31:18 | 34.2693 | 0.20193 | 7.7329 | 230.8933 | 10.1074 | 10.49588 | 8.243 |
| 2026 Apr 21 17:57 | 2026 Apr 19 01:31:18 | 34.2693 | 0.20193 | 7.7329 | 230.8933 | 10.1074 | 10.49588 | 8.243 |