Space AtlasVANGUARD 3
NORAD 20 · Payload · In orbit since 1959
View in the 3D atlas →- Launched
- 1959-09-18 · Cape Canaveral / Kennedy, USA
- Country / operator
- US (United States)
- Object type
- Payload
- Purpose
- Space science
- Mass
- 23 kg
- Size
- 1.2 × 0.5 m
- Orbit class
- MEO
- Perigee × Apogee
- 507 × 3,205 km
- Inclination
- 33.4°
- Period
- 123.8 min
- Eccentricity
- 0.1640
- Orbit data
- Reconstructed from catalog orbit
Mass, size and purpose from GCAT (J. McDowell, CC BY 4.0).