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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1449961116949027 1.093e-07  
a 2.533177377960048 2.7108e-08 AU
q 2.165876507922352 2.847e-07 AU
i 11.84282199851052 1.0803e-05 deg
node 252.0780281130536 3.6124e-05 deg
peri 180.8004547911285 4.8777e-05 deg
M 250.680146862049 3.736e-05 deg
tp 2457447.691321940454
(2016-Feb-29.19132194)
0.00015781 JED
period 1472.640799246329
4.03
2.3638e-05
6.472e-08
d
yr
n .2444587982244153 3.924e-09 deg/d
Q 2.900478247997743 3.1038e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      660  
   data-arc span      8276 days (22.66 yr)  
   first obs. used      1991-11-05  
   last obs. used      2014-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46738  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:50:17  

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 (402)
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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