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ERS 21
ERS 21 was launched on September 26, 1968 aboard a Titan IIIC from Cape Canaveral & Kennedy. Latest status in GCAT: in orbit, no recent tracking.
COSPAR 1968-081CNORAD 3430United States
Identity
- Name in GCAT
- ERS 21
- Other names
- STP P67-2:PN,OV5-4
- International designator
- 1968-081C
- NORAD catalog number
- 3430
- GCAT identifier
- S03430
- UN registration
- A/AC.105/INF.197
Mission
- Mission type
- Technology
- Use
- Defense
- Program
- ORS III
- Owner
- SAMSO
- Country
- United States
- Builder
- TRW Inc.
- Platform (bus)
- ORS
Launch
- Date
- September 26, 1968 · 07:37 UTC
- Launch record
- 1968-081Success
- Rocket
- Titan IIIC
- Spaceport
- Cape Canaveral & Kennedy · pad LC41
Orbit and fate
- Orbit class (GCAT)
- GEO/I
- Perigee
- 35,765 km
- Apogee
- 35,822 km
- Inclination
- 13.58°
- Status
- In orbit, no recent tracking
- Last known active
- Sep 30, 1968
- End of operations
- Sep 30, 1968
Size
- Mass
- 13 kg
- Dry mass
- 13 kg
- Length
- 0.3 m
- Diameter
- 0.30 m
- Span
- 0.3 m
Launched together
Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q2780519 (CC0).