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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05988439358473705 2.1412e-08  
a 2.75851016658766 1.0924e-08 au
q 2.593318458064226 6.3672e-08 au
i 3.389142295666139 3.8398e-07 deg
node 136.464365303318 1.4677e-05 deg
peri 179.7199810192289 2.2717e-05 deg
M 292.8083207629813 1.6417e-05 deg
tp 2459512.836906420358
(2021-Oct-25.33690642)
7.6833e-05 TDB
period 1673.440634140014
4.58
9.9405e-06
2.722e-08
d
yr
n .2151256475166237 1.2779e-09 deg/d
Q 2.923701875111095 1.1578e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3366  
   data-arc span      33993 days (93.07 yr)  
   first obs. used      1928-02-26  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42362  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:06:39  

Additional Information
 Earth MOID = 1.57761 au 
 Jupiter MOID = 2.24331 au 
 T_jup = 3.337 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.10   n/a E2021B10  
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. 2020-October); 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

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 ]
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