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23497 (1991 VG4)
Classification: Main-belt Asteroid          SPK-ID: 2023497
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1447630180831225 1.0554e-07  
a 2.53254633123525 1.5834e-08 au
q 2.165927280890296 2.729e-07 au
i 11.84340426247845 9.4158e-06 deg
node 252.0664115713666 3.1677e-05 deg
peri 180.8969058341797 4.2938e-05 deg
M 37.29753448136911 2.8771e-05 deg
tp 2457447.985143981795
(2016-Feb-29.48514398)
0.0001171 JED
period 1472.09055316995
4.03
1.3806e-05
3.78e-08
d
yr
n .2445501733740415 2.2935e-09 deg/d
Q 2.899165381580204 1.8127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      898  
   data-arc span      8909 days (24.39 yr)  
   first obs. used      1991-11-05  
   last obs. used      2016-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .45279  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:41:19  

Additional Information
 Earth MOID = 1.17906 au 
 Jupiter MOID = 2.38808 au 
 T_jup = 3.406 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO347702  

23497 (1991 VG4)          Discovered 1991-Nov-05 by Sugie, A. at Dynic
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 VG4 = 1999 XC117 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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