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JPL Small-Body Database Browser
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442746 (2012 WH15)
Classification: Main-belt Asteroid          SPK-ID: 2442746
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1693473649619888 8.5146e-08  
a 2.411018240594794 2.9842e-08 au
q 2.002718654674776 2.1688e-07 au
i 4.44761744633993 8.6689e-06 deg
node 95.29549033336876 0.00010467 deg
peri 330.4162824690123 0.00011077 deg
M 2.516108336964936 3.2583e-05 deg
tp 2458990.942902713653
(2020-May-21.44290271)
0.00012372 TDB
period 1367.411320307044
3.74
2.5387e-05
6.951e-08
d
yr
n .2632711859655836 4.8879e-09 deg/d
Q 2.819317826514813 3.4896e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      7000 days (19.16 yr)  
   first obs. used      2000-07-30  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51679  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:01:47  

Additional Information
 Earth MOID = 1.01793 au 
 Jupiter MOID = 2.47764 au 
 T_jup = 3.496 
[ 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 17.6   n/a MPO495193  

442746 (2012 WH15)          Discovered 2012-Nov-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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