This article is about the North Korean rocket. For the given name, see Eun-ha. For other uses, see Unha (disambiguation).
Unha
Unha-3 at launch pad in April 2012
Function
Expendable carrier rocket
Manufacturer
National Aerospace Development Administration
Country of origin
North Korea
Size
Height
28–30 metres (92–98 ft)[1]
Diameter
2.4 metres (7 ft 10 in)
Mass
86,750–91,000 kilograms (191,250–200,620 lb)
Stages
3
Capacity
Payload to LEO
Mass
200 kg (440 lb)[2] (465 x 502 km)
Launch history
Status
Active
Launch sites
Sohae, Tonghae
Total launches
4
Success(es)
2
Failure(s)
2
First flight
5 April 2009[3]
First stage
Height
15 m (49 ft)
Diameter
2.4 m (7 ft 10 in)
Powered by
4 Nodong 2-1[4][1]
Maximum thrust
1192.8 kN[4][1]
Specific impulse
252 sec[5][1]
Burn time
120 seconds[5][1]
Propellant
N2O4/UDMH[4][1]
Second stage
Height
8.8–9.3 m (29–31 ft)
Diameter
1.5 m (4 ft 11 in)
Powered by
4 verniers[4]
Maximum thrust
125 kN[1]
Specific impulse
255 s[5]
Burn time
220 seconds[5][1]
Propellant
N2O4/UDMH[4][1]
Third stage
Height
3.7–5.7 m (12–19 ft)
Diameter
1.2–1.25 m (3 ft 11 in – 4 ft 1 in)
Powered by
2 verniers[4][1]
Maximum thrust
35.4 kN[1]
Specific impulse
230 sec[5]
Burn time
245 seconds[5]
Propellant
N2O4/UDMH[4]
[edit on Wikidata]
The Unha or Eunha (Korean: 은하, 銀河, "Galaxy")[6] is a North Korean expendable carrier rocket, which partially utilizes the same delivery system as the Taepodong-2 orbital launch system.[7]
^ abcdefghijkBrugge, Norbert. "Unha-3". Space Rockets Rest Of World. Retrieved 30 December 2017.
^"Status of North Korean Satellite unknown after prolonged Radio Silence, Reports of Tumbling – Spaceflight101". 12 February 2016.
^Krebs, Gunter. "Unha ("Taepodong-2")". Gunter's Space Page. Retrieved 19 April 2012.
^ abcdefgCite error: The named reference ucs-20130222 was invoked but never defined (see the help page).
^ abcdefDavid Wright (March 20, 2009). "An Analysis of North Korea's Unha-2 Launch Vehicle" (PDF). Union of Concerned Scientists. Archived from the original (PDF) on September 3, 2014. Retrieved January 23, 2013.
^Kim, Jack (2009-03-13). "FACTBOX: North Korea's Taepodong-2 long-range missile". Reuters. Retrieved 2009-03-30.
^"North Korea positions rocket for April liftoff". AP. 2009-03-27. Archived from the original on 2009-03-29. Retrieved 2009-03-28.
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