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JPL Small-Body Database Browser
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461991 (2006 WR42)
Classification: Main-belt Asteroid          SPK-ID: 2461991
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2686969425813716 7.8761e-08  
a 2.645709983211371 2.2703e-08 au
q 1.934815799765464 2.1045e-07 au
i 6.108861580835222 9.1712e-06 deg
node 116.8252267054129 6.8756e-05 deg
peri 12.57579677323364 8.7925e-05 deg
M 10.73712080129322 3.1074e-05 deg
tp 2458953.618972727750
(2020-Apr-14.11897273)
0.00013599 TDB
period 1571.85246681563
4.30
2.0232e-05
5.539e-08
d
yr
n .2290291281148755 2.9479e-09 deg/d
Q 3.356604166657279 2.8803e-08 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      7619 days (20.86 yr)  
   first obs. used      1999-03-20  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65312  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 12:44:58  

Additional Information
 Earth MOID = .950342 au 
 Jupiter MOID = 1.71282 au 
 T_jup = 3.333 
[ 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 18.2   n/a MPO380289  

461991 (2006 WR42)          Discovered 2006-Nov-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-03-24

[ show close-approach data ]
Alternate Designations
 2006 WR42 = 2003 BE56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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