EXPLORER 28 (IMP-3)
NORAD 1388 · Payload · Reentered 1968-07-04
View in the 3D atlas →- Launched
- 1965-05-29 · Cape Canaveral / Kennedy, USA
- Country / operator
- US (United States)
- Object type
- Payload
- Purpose
- Space science
- Mass
- 59 kg
- Size
- 0.3 × 0.7 m · 5 m deployed
- Orbit class
- Highly elliptical
- Perigee × Apogee
- 32,289 × 227,451 km
- Inclination
- 53.6°
- Period
- 8341.1 min
- Eccentricity
- 0.7162
- Orbit data
- Reconstructed from catalog orbit
Mass, size and purpose from GCAT (J. McDowell, CC BY 4.0).