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43856 (1993 UV4)
Classification: Main-belt Asteroid          SPK-ID: 2043856
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06647705410352786 3.4127e-08  
a 3.054440878719354 1.7143e-08 au
q 2.8513906471687 1.0947e-07 au
i 10.73183399879461 4.09e-06 deg
node 172.9029971343751 2.0073e-05 deg
peri 279.1256829706301 4.0249e-05 deg
M 335.6211832392013 3.3351e-05 deg
tp 2459332.540188086677
(2021-Apr-28.04018809)
0.0001804 TDB
period 1949.826694937856
5.34
1.6415e-05
4.494e-08
d
yr
n .1846317936535758 1.5543e-09 deg/d
Q 3.257491110270007 1.8282e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1070  
   data-arc span      9987 days (27.34 yr)  
   first obs. used      1993-10-10  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52585  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:23:17  

Additional Information
 Earth MOID = 1.89311 au 
 Jupiter MOID = 1.88626 au 
 T_jup = 3.206 
[ show covariance matrix ]

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 14.46   n/a MPCxxxxx  
diameter diameter 4.869 km 0.283 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.090   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43856 (1993 UV4)          Discovered 1993-Oct-20 by Elst, E. W. at La Silla
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 UV4 = 1998 RO64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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