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Step Thirteen / Plymouth Rock 3
American signals intelligence satellite. Step Thirteen / Plymouth Rock 3 was launched on October 23, 1964 aboard a Atlas Agena D from Vandenberg. Latest status in GCAT: reentered (orbital decay) (Feb 23, 1965).
COSPAR 1964-068BNORAD 914United States
Identity
- Name in GCAT
- STEP 13
- Common name
- Step Thirteen / Plymouth Rock 3
- Payload designation
- P-11 No. 4302
- Other names
- NRO Mission 7305,OPS 5063
- International designator
- 1964-068B
- NORAD catalog number
- 914
- GCAT identifier
- S00914
- UN registration
- A/AC.105/INF.086
Mission
- Mission type
- Signals intelligence
- Use
- Defense
- Program
- EHH A
- Owner
- NRO
- Country
- United States
- Builder
- Lockheed Missiles and Space Co.
- Platform (bus)
- P-11
Launch
- Date
- October 23, 1964 · 18:27 UTC
- Launch record
- 1964-068Success
- Rocket
- Atlas Agena D
- Spaceport
- Vandenberg · pad PALC2-3
Orbit and fate
- Orbit class (GCAT)
- LLEO/S
- Perigee
- 295 km
- Apogee
- 334 km
- Inclination
- 95.50°
- Status
- Reentered (orbital decay)
- Status date
- February 23, 1965
- Last known active
- Feb 23, 1965
- End of operations
- Feb 23, 1965
Size
- Mass
- 95 kg
- Dry mass
- 95 kg
- Total mass with attached objects
- 100 kg
- Length
- 0.3 m
- Diameter
- 0.90 m
- Span
- 0.9 m
Launched together
Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q9293100 (CC0).