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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1904396312878074 5.7822e-08  
a 2.264535590439825 1.4002e-08 AU
q 1.833278267558347 1.3081e-07 AU
i 5.559131933308622 5.6957e-06 deg
node 93.88502672725143 7.1783e-05 deg
peri 303.4056836411507 7.4505e-05 deg
M 289.93391336786 2.3269e-05 deg
tp 2457242.754868572488
(2015-Aug-08.25486857)
8.1939e-05 JED
period 1244.70705983586
3.41
1.1544e-05
3.161e-08
d
yr
n .2892246791365299 2.6825e-09 deg/d
Q 2.695792913321302 1.6668e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      888  
   data-arc span      21703 days (59.42 yr)  
   first obs. used      1955-03-22  
   last obs. used      2014-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50682  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:16:22  

Additional Information
 Earth MOID = .847651 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 14.3 mag n/a MPO263437  

9867 (1991 VM)          Discovered 1991-Nov-03 by Natori, A., Urata, T. at Yakiimo (885)
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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