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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1902869580800353 5.5678e-08  
a 2.264898956000819 1.1004e-08 au
q 1.833918223304775 1.2375e-07 au
i 5.55821618921488 5.6304e-06 deg
node 93.8716492509916 6.3471e-05 deg
peri 303.5294936839506 6.5875e-05 deg
M 103.3704902205049 1.8962e-05 deg
tp 2457243.008475950579
(2015-Aug-08.50847595)
6.4335e-05 JED
period 1245.006658895219
3.41
9.0729e-06
2.484e-08
d
yr
n .2891550799571249 2.1072e-09 deg/d
Q 2.695879688696862 1.3097e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1009  
   data-arc span      22307 days (61.07 yr)  
   first obs. used      1955-03-22  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48749  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:06:38  

Additional Information
 Earth MOID = .847119 au 
 Jupiter MOID = 2.7271 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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