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JPL Small-Body Database Browser
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2271 Kiso (1976 UV5)
Classification: Main-belt Asteroid          SPK-ID: 2002271
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05975927124858639 3.4302e-08  
a 2.758544723763946 1.1431e-08 au
q 2.593696101365179 9.6605e-08 au
i 3.389115937311103 3.821e-06 deg
node 136.4644664685494 6.4173e-05 deg
peri 179.7049782137433 7.2358e-05 deg
M 249.7847316691717 3.4574e-05 deg
tp 2459512.839373239414
(2021-Oct-25.33937324)
0.00016122 TDB
period 1673.472080225375
4.58
1.0402e-05
2.848e-08
d
yr
n .2151216051070998 1.3371e-09 deg/d
Q 2.923393346162712 1.2114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3115  
   data-arc span      33665 days (92.17 yr)  
   first obs. used      1928-02-26  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43254  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:37:34  

Additional Information
 Earth MOID = 1.57998 au 
 Jupiter MOID = 2.24432 au 
 T_jup = 3.337 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.0   n/a MPO365272  
diameter diameter 31.229 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 17.14 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Salvaggio, F.; Marchini, A.; Franco, L. (2015) Minor Planet Bull. 42, 226-227.]
geometric albedo albedo 0.072   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B T   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

2271 Kiso           Discovered 1976 Oct. 22 by H. Kosai and K. Hurukawa at the Tokyo Observatory's Kiso Station.
Named for the station of the Tokyo Observatory at which this minor planet was discovered.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5525Last Updated: 2006-03-21

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Alternate Designations
 1976 UV5 = 1928 DB1 = 1929 LB = 1939 RL = 1942 EG = 1948 PR = 1951 EF2 = 1952 LA = 1952 MN = 1953 TP2 = 1956 GH = 1960 EB = 1965 FA = 1972 WA = 1972 XM2 = 1974 ES = 1976 SC6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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