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9867 (1991 VM)
Classification: Main-belt Asteroid          SPK-ID: 2009867
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1902736910743167 5.6565e-08  
a 2.264202055538295 1.2085e-08 au
q 1.833383973092969 1.2656e-07 au
i 5.559024505891379 5.6505e-06 deg
node 93.88144228957381 6.7268e-05 deg
peri 303.4269280006951 6.9758e-05 deg
M 45.62037711284614 2.0504e-05 deg
tp 2457242.801498128170
(2015-Aug-08.30149813)
7.0177e-05 JED
period 1244.432077653139
3.41
9.9628e-06
2.728e-08
d
yr
n .2892885891200426 2.316e-09 deg/d
Q 2.695020137983622 1.4384e-08 au
  Orbit Determination Parameters
   # obs. used (total)      973  
   data-arc span      22188 days (60.75 yr)  
   first obs. used      1955-03-22  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49058  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:12:10  

Additional Information
 Earth MOID = .8467 au 
 Jupiter MOID = 2.72975 au 
 T_jup = 3.587 
[ 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 14.4 mag n/a MPO347604  

9867 (1991 VM)          Discovered 1991-Nov-03 by Natori, A., Urata, T. at Yakiimo
Reference: 19990106/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 VM = 1994 PJ 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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