OPS 3674 (VELA 4)
OPS 3674 (VELA 4) is a satellite operated by United States, currently in a highly elliptical orbit ranging from 34,442 km to 171,583 km. It completes one orbit of Earth roughly every 6001 minutes at an inclination of 48.6°. It was launched in 1964. Track its live position and see when it passes over your location on azmth.
Orbital data
- NORAD ID
- 837
- COSPAR ID
- 1964-040B
- Type
- Satellite
- Orbit
- HEO
- Perigee (lowest)
- 34,442 km
- Apogee (highest)
- 171,583 km
- Inclination
- 48.59°
- Orbital period
- 6001 min
- Launch year
- 1964
- Operator
- United States
Orbital data updated: 2026-07-20 · from CelesTrak, refreshed every 2 hours.
About HEO orbit
Highly Elliptical Orbit. An elongated orbit that swings close to Earth at perigee and far away at apogee. Includes Molniya and Tundra orbits used for high-latitude coverage.
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