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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1449961179479014 1.0906e-07  
a 2.533177384862358 2.5735e-08 AU
q 2.165876497983899 2.8448e-07 AU
i 11.84282162739403 1.0441e-05 deg
node 252.0780282736828 3.6114e-05 deg
peri 180.8004579500798 4.8594e-05 deg
M 250.6801407667295 3.6574e-05 deg
tp 2457447.691348702124
(2016-Feb-29.19134870)
0.00015423 JED
period 1472.640805265226
4.03
2.2441e-05
6.144e-08
d
yr
n .2444587972252766 3.7253e-09 deg/d
Q 2.900478271740817 2.9467e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      667  
   data-arc span      8670 days (23.74 yr)  
   first obs. used      1991-11-05  
   last obs. used      2015-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46748  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 15:02:01  

Additional Information
 Earth MOID = 1.18028 AU 
 T_jup = 3.405 
[ 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 13.8 mag n/a MPO266078  

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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