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442747 (2012 WO15)
Classification: Main-belt Asteroid          SPK-ID: 2442747
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1687521342477044 8.8165e-08  
a 2.432146131221112 3.4412e-08 au
q 2.021716280775252 2.2697e-07 au
i 4.545541529006329 9.7207e-06 deg
node 94.6975853642797 0.00010913 deg
peri 263.2431668659885 0.00012699 deg
M 53.01095085024019 4.6194e-05 deg
tp 2458796.492554375017
(2019-Nov-08.99255437)
0.0001799 TDB
period 1385.424695219577
3.79
2.9403e-05
8.05e-08
d
yr
n .2598481182284277 5.5148e-09 deg/d
Q 2.842575981666971 4.0219e-08 au
  Orbit Determination Parameters
   # obs. used (total)      77  
   data-arc span      5019 days (13.74 yr)  
   first obs. used      2006-01-31  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49153  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:42:51  

Additional Information
 Earth MOID = 1.02383 au 
 Jupiter MOID = 2.6097 au 
 T_jup = 3.483 
[ 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 17.5   n/a MPO343131  

442747 (2012 WO15)          Discovered 2008-Oct-07 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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