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392689 (2011 WG37)
Classification: Main-belt Asteroid          SPK-ID: 2392689
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07466604618929566 7.7705e-08  
a 2.188540071132291 1.8647e-08 au
q 2.025130437094003 1.7723e-07 au
i 4.883091866379956 7.3893e-06 deg
node 220.0849360240304 7.0373e-05 deg
peri 316.5835097663869 8.0918e-05 deg
M 111.8129898028642 3.6637e-05 deg
tp 2458633.200835381796
(2019-May-29.70083538)
0.00012099 TDB
period 1182.579050034187
3.24
1.5114e-05
4.138e-08
d
yr
n .304419395886975 3.8907e-09 deg/d
Q 2.351949705170579 2.004e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      7406 days (20.28 yr)  
   first obs. used      1998-11-19  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55736  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:30:35  

Additional Information
 Earth MOID = 1.0312 au 
 Jupiter MOID = 2.61748 au 
 T_jup = 3.666 
[ 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 18.1   n/a MPO419000  

392689 (2011 WG37)          Discovered 2000-Apr-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2011 WG37 = 2000 HD102 = 2013 JB23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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