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JPL Small-Body Database Browser
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9603 (1991 VG2)
Classification: Main-belt Asteroid          SPK-ID: 2009603
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1718565770739601 3.5594e-08  
a 2.383101357042536 7.3205e-09 au
q 1.973549715000897 8.4773e-08 au
i 2.729436562135992 3.9171e-06 deg
node 146.5477767598965 7.6405e-05 deg
peri 309.1067917151479 7.7304e-05 deg
M 140.359799459343 1.083e-05 deg
tp 2458076.595129269708
(2017-Nov-19.09512927)
4.0148e-05 TDB
period 1343.730570928446
3.68
6.1916e-06
1.695e-08
d
yr
n .2679108504253641 1.2345e-09 deg/d
Q 2.792652999084176 8.5785e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1304  
   data-arc span      13689 days (37.48 yr)  
   first obs. used      1980-11-29  
   last obs. used      2018-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50712  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 13:08:53  

Additional Information
 Earth MOID = .991772 au 
 Jupiter MOID = 2.37942 au 
 T_jup = 3.515 
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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 14.9   n/a MPO337339  

9603 (1991 VG2)          Discovered 1991-Nov-09 by Ueda, S., Kaneda, H. at Kushiro
Reference: 19981110/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1991 VG2 = 1980 WZ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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