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JPL Small-Body Database Browser
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442500 (2011 WG2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2442500
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07878683782367381 1.2126e-07  
a 3.54520982087697 1.6059e-07 au
q 3.26589394966864 5.3767e-07 au
i 19.13638897579639 1.2258e-05 deg
node 74.52573888708041 2.5435e-05 deg
peri 308.1365041708848 9.5792e-05 deg
M 82.95564946372303 7.9906e-05 deg
tp 2458038.670150101130
(2017-Oct-12.17015010)
0.0005581 TDB
period 2438.155174133645
6.68
0.00016566
4.536e-07
d
yr
n .1476526202348543 1.0032e-08 deg/d
Q 3.824525692085299 1.7324e-07 au
  Orbit Determination Parameters
   # obs. used (total)      72  
   data-arc span      3925 days (10.75 yr)  
   first obs. used      2008-04-06  
   last obs. used      2019-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6441  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:24:38  

Additional Information
 Earth MOID = 2.30922 au 
 Jupiter MOID = 1.61235 au 
 T_jup = 3.022 
[ 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 15.4   n/a MPO437721  

442500 (2011 WG2)          Discovered 2008-Apr-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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