Shavit 2

For the village in Iran sometimes Romanized as "Shavit", see Shavi, Dezful.

Shavit 2
שביט
FunctionExpendable launch vehicle
ManufacturerIsrael Aerospace Industries
Country of originIsrael
Cost per launch$18M
Size
Height26.4 m
Diameter1.35 m
Mass30,500–70,000 kg
Stages4
Capacity
Payload to LEO
Mass350–800 kg [1]
Launch history
StatusActive
Launch sitesPalmachim Airbase
Total launches12
Success(es)10
Failure(s)2
First flight19 September 1988
Last flight28 March 2023
First stage (LeoLink LK-1) – LK-1
Powered byLK-1
Maximum thrust553.8 kN (124,499 lbf)
Specific impulse268 seconds
Burn time55 seconds
PropellantHTPB
First stage (LeoLink LK-2) – Castor 120
Maximum thrust1650.2 kN (370,990 lbf)
Specific impulse280 seconds
Burn time82 seconds
PropellantHTPB polymer, Class 1.3 C
Second stage – LK-1
Powered by1 LK-1
Maximum thrust515.8 kN
Specific impulse268 seconds
Burn time55 seconds
PropellantHTPB
Third stage – RSA-3-3
Powered by1 RSA-3-3
Maximum thrust58.6 kN
Specific impulse298 seconds
Burn time94 seconds
PropellantSolid
Fourth stage – LK-4
Powered by1 LK-4
Maximum thrust0.402 kN
Specific impulse200 seconds
Burn time800 seconds
PropellantHydrazine[2]
[edit on Wikidata]

Shavit 2 (Hebrew: "comet" – שביט) is a small lift launch vehicle produced by Israel from 1982 onwards, to launch satellites into low Earth orbit. It was first launched on 19 September 1988 (carrying an Ofek-1 satellite payload), making Israel the eighth nation to have an orbital launch capability[3] after the USSR, United States, France, Japan, People's Republic of China, United Kingdom, and India.

The Shavit 2 project is believed to have been an offshoot development, resulting from Israel's Jericho nuclear armed intercontinental ballistic missile (ICBM) program.[4][5]

Shavit rockets are launched from Palmachim Airbase by the Israel Space Agency into highly retrograde orbits over the Mediterranean Sea to prevent debris coming down in populated areas and also to avoid flying over nations hostile to Israel to the east; this results in a lower payload-to-orbit than east-directed launches would allow.[3][6] The launcher consists of three stages powered by solid-fuel rocket motors, with an optional liquid-fuel fourth stage, and is manufactured by Israel Aircraft Industries (IAI).

The Republic of South Africa produced and tested a licensed version in cooperation with Israel called the RSA-3 in an ultimately unsuccessful bid to produce a domestic satellite launch vehicle and ballistic missile; the South African program was closed in 1994.[7]

An earlier unrelated project called Shavit 2 was the first Israeli sounding rocket, launched on 5 July 1961 for meteorological research.[8] Shavit Three, with an altitude reported as 100 miles (160 km), was launched on 11 August 1961.

Development

The development of Shavit 2 began in 1982.[9] Shavit was a three-stage, solid-propellant launcher designed to carry payloads up to 250 kg into low Earth orbit. It was speculated for some time and later confirmed that the first two stages of the Shavit were that of the Jericho II missile.[10]

Shavit was first launched in 1988 and because of its geographic location and hostile relations with surrounding countries, Israel had to launch it to the west, over the Mediterranean Sea, in order to avoid flying over those hostile territories to its east. The practice has continued ever since.[11]

Vehicle description

The first of the Shavit vehicles were a small, 3-stage, solid-propellant booster based on the 2-stage Jericho-II ballistic missile and developed under the general management of Israel Aircraft Industries and in particular its MBT System and Space Technology subsidiary. Israel Military Industries Systems produces the first-stage and second-stage motors, while Rafael is responsible for the third-stage motor.[12]

A planned commercial Shavit upgrade was called Next. This name is no longer used, and this proposed upgrade configuration is now called Shavit-2. Both first and second stages of the Shavit-2 use the stretched motor design of the Shavit-1 first stage.

Launch history

The Shavit has been launched 12 times, placing the payload into orbit 10 times.[13] On the 4th and 6th flights, the vehicle failed before reaching space. Most non-Israeli satellites are launched eastward to gain a boost from the Earth's rotational speed. However, the Shavit is launched westward (retrograde orbit) over the Mediterranean Sea to avoid flying and dropping spent rocket stages over populated areas in Israel and neighboring Arab countries. The Shavit is also said to be made available for commercial launches in the near future.

AUS-51 third-stage engine model
Variant Date of launch (UTC) Launch location Payload Mission status
Shavit 19 September 1988
09:31 		Palmachim Airbase Israel Ofek-1 Success
Shavit 3 April 1990
12:02 		Palmachim Airbase Israel Ofek-2 Success
Shavit-1 5 April 1995
11:16 		Palmachim Airbase Israel Ofek-3 Success
Shavit-1 22 January 1998
12:56 		Palmachim Airbase Israel Ofek-4 Failure
Shavit-1 28 May 2002
15:25 		Palmachim Airbase Israel Ofek-5 Success
Shavit-1 6 September 2004
10:53 		Palmachim Airbase Israel Ofek-6 Failure
Shavit-2 10 June 2007
23:40 		Palmachim Airbase Israel Ofek-7 Success
Shavit-2 22 June 2010
19:00 		Palmachim Airbase Israel Ofek-9 Success[14]
Shavit-2 9 April 2014
19:06 		Palmachim Airbase Israel Ofek-10 Success[3]
Shavit-2 13 September 2016
14:38 		Palmachim Airbase Israel Ofek-11 Success[15]
Shavit-2 6 July 2020
01:00 		Palmachim Airbase Israel Ofek-16 Success[16]
Shavit-2 28 March 2023
23:10 		Palmachim Airbase Israel Ofeq-13 Success[17]

The September 2004 failure of the Shavit resulted in the destruction of the US$100 million Ofeq 6 spy satellite. Israel used Indian Polar Satellite Launch Vehicle in the subsequent launch for the TecSAR SAR satellite,[18] while upgrading the Shavit launcher.[citation needed] On the upgraded Shavit 2, the follow-up Ofeq 7 was successfully launched on a Shavit rocket in 2007.

South African RSA series

Main article: Jericho (missile)

The Jericho II missile-Shavit SLV was also license produced in the Republic of South Africa as the RSA series of space launch vehicles and ballistic missiles. The RSA-3 was produced by the Houwteq (a discontinued division of Denel) company at Grabouw, 30 km east of Cape Town. Test launches were made from Overberg Test Range near Bredasdorp, 200 km east of Cape Town. Rooiels was where the engine-test facilities were located. Development continued even after South African renunciation[19] of its nuclear weapons for use as a commercial satellite launcher. Development actually reached its height in 1992, a year after nuclear renunciation, with 50–70 companies involved, employing 1300–1500 people from the public and private sector.[20][21] A much heavier ICBM or space launch vehicle, the RSA-4, with a first stage in the Peacekeeper ICBM class but with Jericho-2/RSA-3 upper-stage components was in development.[7][22][23]

Variant Date of launch Launch location Payload Mission status
RSA-3 1 June 1989 Denel Overberg Test Range South Africa RSA-3-d 1 Apogee: 100 km (60 mi)
RSA-3 6 July 1989 Denel Overberg Test Range South Africa RSA-3 2 Apogee: 300 km (180 mi)
RSA-3 19 November 1990 Denel Overberg Test Range South Africa RSA-3 3 Apogee: 300 km (180 mi)

In June 1994 the RSA-3 / RSA-4 South African satellite launcher program was cancelled.[24]

Proposed LK civilian launch variants

In 1998, Israel Space Agency partnered with U.S. Coleman Research Corporation (now a division of L-3 Communications) to develop the LK family of small launch vehicles.[25] In 2001, a new French joint-venture, LeoLink, between Astrium and Israel Aircraft Industries, was created to market the LK variant.[26] It is believed that in 2002 development of the LK variant was discontinued.[27]

The LK-1 was closely based on the Shavit-2, but with motors and other components built in the United States to satisfy U.S. government requirements.[25] The LK-2 was a larger vehicle using a Thiokol Castor 120 motor as its first stage. The third stage was either a standard AUS-51 motor built under license by Atlantic Research Corp., or a Thiokol Star 48 motor. All launch vehicles would have had a small monopropellant hydrazine fourth stage.[28]

  • LK-A – for 350 kg-class satellites in 240 × 600 km elliptical polar orbits.
  • LK-1 – for 350 kg-class satellites in 700 km circular polar orbits.
  • LK-2 – for 800 kg-class satellites in 700 km circular polar orbits.

A Shavit LK air-launched satellite launcher was proposed by ISA and Israel Aircraft Industries (IAI). The booster would have been a standard Shavit-1 or Shavit-2 without a first stage that would be dropped from a Hercules C-130. An alternative proposal consisted of a full launch stack carried atop Boeing 747 aircraft, similar to how the Space Shuttle was carried, through the Straits of Tiran and past the Arabian Peninsula into open sea; this called for a zoom-climb launch over the Indian Ocean, permitting the eastward boost from the rotation of the Earth rather than launching into a westward retrograde orbit over the Mediterranean, nearly doubling the maximum payload weight.[28][29]

Comparable solid fuel rockets

Main article: Comparison of solid-fuelled orbital launch systems

See also

References

  1. ^ "Shavit", Space launch systems, Deagel
  2. ^ "Astronautix leolinklk-1 Review". Archived from the original on 28 December 2016. Retrieved 14 June 2021.
  3. ^ a b c "Shavit". Space Launch Report. 20 April 2014. Archived from the original on 25 January 2016. Retrieved 7 July 2015.
  4. ^ "Delivery systems", Israel (country profile), NTI.
  5. ^ Report of the Secretary-General (1991). South Africa's Nuclear-Tipped Ballistic Missile Capability (PDF). Department for Disarmament Affairs. Disarmament Study Series. New York: United Nations. doi:10.18356/8afa8632-en. ISBN 92-1-142178-0.
  6. ^ Stephen Clark (22 June 2010). "New Israeli spy satellite blasts off into the night". Spaceflight Now. Retrieved 7 July 2015.
  7. ^ a b "RSA". Archived from the original on 3 March 2016. Retrieved 6 February 2015.
  8. ^ Google Books [1] [2]
  9. ^ Zorn, EL (Winter–Spring 2001). "Israel's Quest for Satellite Intelligence" (PDF). Studies in Intelligence (10). CIA: 33–38. Archived from the original (PDF) on 13 June 2007. Retrieved 11 September 2009. Public Domain This article incorporates text from this source, which is in the public domain.
  10. ^ "Missile", Israel (profile), NTI, archived from the original on 4 July 2007.
  11. ^ "Shavit", Britannica.
  12. ^ "Israel", Guide, FAS, archived from the original on 9 April 2016, retrieved 25 March 2016.
  13. ^ Ed Kyle. "Space Launch Report: Shavit". Space Launch Report. Archived from the original on 21 December 2019. Retrieved 10 January 2020.
  14. ^ Greenberg, Hanan (22 June 2010). "Israel launches spy satellite". Ynetnews. Ynet. Retrieved 22 June 2010.
  15. ^ "Israel Launches Advanced Optical Reconnaissance Satellite". Spaceflight 101. 13 September 2016. Retrieved 13 September 2016.
  16. ^ "Israel successfully places surveillance satellite into orbit". Spaceflight Now. 6 July 2020. Retrieved 6 July 2020.
  17. ^ "Israel Launches Latest Generation Ofek Spy Satellite". Reuters. 29 March 2023. Retrieved 29 March 2023.
  18. ^ Stephen Clark (21 January 2008). "Covert satellite for Israel launched by Indian rocket". Spaceflight Now. Retrieved 7 July 2015.
  19. ^ Stumpf, Waldo (December 1995 – January 1996). "South Africa's Nuclear Weapons Programme: From Deterrence to Dismantlement" (PDF). Arms Control Today. 25 (10). Arms Control Association: 3–8. JSTOR 23625371. Archived from the original (PDF) on 2 August 2017. Retrieved 12 July 2013.
  20. ^ Iain McFadyen. "The South African Rocket and Space Programme". Retrieved 6 February 2015.
  21. ^ Guy Martin. "Satellites for South Africa". Retrieved 6 February 2015.
  22. ^ "RSA-3". Archived from the original on 5 August 2014. Retrieved 6 February 2015.
  23. ^ "RSA-4". Archived from the original on 5 August 2014. Retrieved 6 February 2015.
  24. ^ "South Africa". Archived from the original on 25 April 2015. Retrieved 6 February 2015.
  25. ^ a b "Israel Missile Update". The Risk Report. 6 (6). Wisconsin Project on Nuclear Arms Control. November–December 2000. Archived from the original on 28 March 2010. Retrieved 23 June 2010.
  26. ^ "LeoLink Incorporated to Market Shavit Derivatives". Space & tech Digest. Archived from the original on 22 June 2011. Retrieved 23 June 2010.
  27. ^ Wade, Mark. "Shavit". Astronautix. Archived from the original on 27 June 2010. Retrieved 23 June 2010.
  28. ^ a b "Description", Israel, DE: Space rockets, archived from the original on 6 February 2009.
  29. ^ "Israel Studies Airborne Launch Scheme for Shavit Rocket". SpaceNews.com. Retrieved 6 February 2015.

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