332 Siri

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332 Siri
Discovery
Discovered by Max Wolf
Discovery site Heidelburg
Discovery date 19 March 1892
Designations
A896 BA, A922 XA
Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 124.05 yr (45308 d)
Aphelion 3.0216 AU (452.02 Gm)
Perihelion 2.5269 AU (378.02 Gm)
2.7742 AU (415.01 Gm)
Eccentricity 0.089172
4.62 yr (1687.8 d)
17.89 km/s
186.290°
0° 12m 47.88s / day
Inclination 2.8473°
31.575°
296.463°
Earth MOID 1.51646 AU (226.859 Gm)
Jupiter MOID 2.24708 AU (336.158 Gm)
Jupiter Tisserand parameter 3.328
Proper orbital elements
77.941 deg / yr
4.61888 yr
(1687.045 d)
Physical characteristics
Dimensions 40.37±1.8 km
8.0074 h (0.33364 d)
0.1719±0.017
Temperature ~160 K (equilibrium)[2]
9.7,[1] 9.65[3]

332 Siri is a main belt asteroid in orbit around the Sun. It was discovered by German astronomer Max Wolf on March 19, 1892 in Heidelberg.[3] The origin of this asteroid's name is unclear. On October 5, 2092, 332 Siri will pass 4,981,670 km (3,095,470 mi) from the asteroid 29 Amphitrite with a relative velocity of 2.054 kilometers per second.[1]

References[edit]

  1. ^ a b c "332 Siri". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 332. Retrieved 11 May 2016. 
  2. ^ "Planetary Habitability Calculators". Planetary Habitability Laboratory. University of Puerto Rico at Arecibo. Retrieved 27 November 2015. 
  3. ^ a b Warner, Brian D. (December 2007), "Initial Results of a Dedicated H-G Project", The Minor Planet Bulletin, 34, pp. 113–119, Bibcode:2007MPBu...34..113W. 

External links[edit]