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Luna 18
Space probe. Luna 18 was launched on September 2, 1971 aboard a Proton-K/D from Baikonur. Latest status in GCAT: left Earth orbit for deep space (Sep 3, 1971).
COSPAR 1971-073ANORAD 5448Soviet Union
Identity
- Name in GCAT
- Luna-18 KT
- Common name
- Luna 18
- Payload designation
- E-8-5 No. 407
- International designator
- 1971-073A
- NORAD catalog number
- 5448
- GCAT identifier
- S05448
- UN registration
- A/AC.105/INF.241
Mission
- Mission type
- Deep space
- Use
- Civil government
- Program
- E-8-5
- Owner
- IKI
- Country
- Soviet Union
- Builder
- NPO Lavochkin
- Platform (bus)
- Luna E-8
Launch
- Date
- September 2, 1971 · 13:40 UTC
- Launch record
- 1971-073Success
- Rocket
- Proton-K/D
- Spaceport
- Baikonur · pad LC81/24
Orbit and fate
- Orbit class (GCAT)
- CLO
- Perigee
- 200 km
- Apogee
- 400,000 km
- Inclination
- 51.50°
- Status
- Left Earth orbit for deep space
- Status date
- September 3, 1971
- Last known active
- Sep 11, 1971
- End of operations
- Sep 11, 1971
Size
- Mass
- 3,180 kg
- Dry mass
- 1,360 kg
- Total mass with attached objects
- 5,700 kg
- Length
- 1.5 m
- Diameter
- 3.50 m
- Span
- 5.0 m
Deep space
- Deep-space catalog entry
- D00409
- Final central body
- Luna
- Phase start
- September 6, 1971
- Phase outcome
- Reentered attached to another object · September 11, 1971
- Destination
- Luna
Flight phases
| From | Central body | Ended | Outcome | Next |
|---|---|---|---|---|
| Sep 3, 1971 | Earth | Sep 7, 1971 | Escaped to another body, attached | Luna |
Landings and impacts
| World | Type | Result | Touchdown | Site | Coordinates |
|---|---|---|---|---|---|
| Luna | Lander (powered landing) | Targeted impact | Sep 11, 1971 | — | 3.57, 56.50 |
| Luna | Ascent vehicle | Landed and operated | Sep 11, 1971 | — | 3.57, 56.50 |
Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q668942 (CC0).