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JPL Small-Body Database Browser
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442175 (2010 WR74)
Classification: Main-belt Asteroid          SPK-ID: 2442175
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1074729842346605 9.4255e-08  
a 3.068672097462589 6.2906e-08 au
q 2.738872749510649 3.269e-07 au
i 11.46515243175462 7.2241e-06 deg
node 120.5577427148589 4.287e-05 deg
peri 236.5127842819915 5.6954e-05 deg
M 245.9007254838754 4.1949e-05 deg
tp 2459222.806784520406
(2021-Jan-08.30678452)
0.00023535 TDB
period 1963.469473205861
5.38
6.0375e-05
1.653e-07
d
yr
n .1833489162488525 5.6378e-09 deg/d
Q 3.398471445414528 6.9666e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      5931 days (16.24 yr)  
   first obs. used      2003-05-02  
   last obs. used      2019-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66485  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:51  

Additional Information
 Earth MOID = 1.75191 au 
 Jupiter MOID = 2.03708 au 
 T_jup = 3.192 
[ 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 15.7   n/a MPO437719  

442175 (2010 WR74)          Discovered 2003-May-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2010 WR74 = 2012 BJ138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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