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JPL Small-Body Database Browser
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39123 (2000 WR42)
Classification: Main-belt Asteroid          SPK-ID: 2039123
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1192738103124585 5.6524e-08  
a 2.634962336581211 1.3051e-08 au
q 2.320680338667351 1.4764e-07 au
i 2.372950868480737 5.1303e-06 deg
node 147.7356403325611 0.00010466 deg
peri 214.2375134615733 0.00010603 deg
M 248.051236931919 1.8675e-05 deg
tp 2459486.321626159324
(2021-Sep-28.82162616)
8.2295e-05 TDB
period 1562.284214886723
4.28
1.1607e-05
3.178e-08
d
yr
n .2304318232045265 1.7121e-09 deg/d
Q 2.949244334495071 1.4608e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1026  
   data-arc span      9895 days (27.09 yr)  
   first obs. used      1992-12-25  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54305  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:06:26  

Additional Information
 Earth MOID = 1.31817 au 
 Jupiter MOID = 2.49656 au 
 T_jup = 3.387 
[ 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 15.0   n/a MPO337575  

39123 (2000 WR42)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 WR42 = 1998 FV50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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