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12737 (1991 VW4)
Classification: Main-belt Asteroid          SPK-ID: 2012737
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1547065668660479 3.3858e-08  
a 2.375074910646191 8.2898e-09 au
q 2.007635225170433 8.2019e-08 au
i 7.537031219582819 3.3369e-06 deg
node 98.54776106272784 3.087e-05 deg
peri 236.5686970936165 3.338e-05 deg
M 349.2114564413105 1.2722e-05 deg
tp 2459040.565882534762
(2020-Jul-10.06588253)
4.7225e-05 TDB
period 1336.94762727234
3.66
6.9995e-06
1.916e-08
d
yr
n .2692700840753779 1.4098e-09 deg/d
Q 2.742514596121949 9.5722e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2055  
   data-arc span      10551 days (28.89 yr)  
   first obs. used      1991-11-02  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47266  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 16:31:03  

Additional Information
 Earth MOID = 1.00856 au 
 Jupiter MOID = 2.61643 au 
 T_jup = 3.514 
[ 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 13.6   n/a MPO473939  

12737 (1991 VW4)          Discovered 1991-Nov-10 by Otomo, S. at Kiyosato
Reference: 19991222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 VW4 = 1996 BS4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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