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14931 (1994 WR3)
Classification: Main-belt Asteroid          SPK-ID: 2014931
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1604527899869964 9.2281e-09  
a 2.583373509931732 1.0082e-08 au
q 2.168864022684686 2.2435e-08 au
i 14.87835045946051 1.009e-06 deg
node 78.37955282637655 6.8545e-06 deg
peri 339.2785830190103 1.2388e-05 deg
M 110.1330213966975 8.7911e-06 deg
tp 2458736.525317842189
(2019-Sep-10.02531784)
3.6312e-05 TDB
period 1516.628559341609
4.15
8.878e-06
2.431e-08
d
yr
n .2373686014170018 1.3895e-09 deg/d
Q 2.997882997178778 1.1699e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2041  
   data-arc span      9605 days (26.30 yr)  
   first obs. used      1994-11-27  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42325  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:42:52  

Additional Information
 Earth MOID = 1.18711 au 
 Jupiter MOID = 2.33828 au 
 T_jup = 3.359 
[ 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 12.98   n/a E2021B10  
diameter diameter 7.080 km 0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.302   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

14931 (1994 WR3)          Discovered 1994-Nov-27 by Uto, F. at Uto
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 WR3 = 1998 VT34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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