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52261 Izumishikibu (1982 VL4)
Classification: Main-belt Asteroid          SPK-ID: 2052261
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1521967321851433 4.6669e-08  
a 2.96892366108534 2.1739e-08 au
q 2.517063181760999 1.4034e-07 au
i 14.01016637986106 5.4889e-06 deg
node 62.36479780783164 2.1305e-05 deg
peri 319.8594467862563 2.7616e-05 deg
M 65.70033196133913 1.8294e-05 deg
tp 2458259.493987553631
(2018-May-20.99398755)
9.4798e-05 TDB
period 1868.516654572327
5.12
2.0523e-05
5.619e-08
d
yr
n .1926661981412192 2.1161e-09 deg/d
Q 3.420784140409681 2.5048e-08 au
  Orbit Determination Parameters
   # obs. used (total)      901  
   data-arc span      13480 days (36.91 yr)  
   first obs. used      1982-11-14  
   last obs. used      2019-10-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54301  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:56:33  

Additional Information
 Earth MOID = 1.53877 au 
 Jupiter MOID = 2.05475 au 
 T_jup = 3.201 
[ 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 13.8   n/a MPO337675  
diameter diameter 4.782 km 1.399 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.233   0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52261 Izumishikibu           Discovered 1982 Nov. 14 by H. Kosai and K. Hurukawa at Kiso.
Izumi Shikibu is a Japanese poet from the 11th century. She wrote "Izumi Shikibu Nikki", which was a notable diary containing waka poems about her affairs with the Imperial Prince. It is said that she was born in Shiroishi district and spent her younger days in Shiota in Saga Prefecture, Japan.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-01-12Last Updated: 2017-01-17

Alternate Designations
 1982 VL4 = 1999 CR84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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