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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1192737945073545 4.1089e-08  
a 2.634962334369546 1.1656e-08 au
q 2.320680378365334 1.1121e-07 au
i 2.372953865250423 3.8342e-06 deg
node 147.7356449299115 0.00010391 deg
peri 214.237509523367 0.00010523 deg
M 248.0512379572395 1.8614e-05 deg
tp 2459486.321621098099
(2021-Sep-28.82162110)
8.1888e-05 TDB
period 1562.28421291976
4.28
1.0367e-05
2.838e-08
d
yr
n .2304318234946472 1.529e-09 deg/d
Q 2.949244290373759 1.3047e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1190  
   data-arc span      10035 days (27.47 yr)  
   first obs. used      1992-12-25  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52359  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:59:01  

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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