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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .190527905473246 6.9301e-08  
a 2.264431716173322 1.3191e-08 AU
q 1.832994284203631 1.554e-07 AU
i 5.55935030815712 5.8621e-06 deg
node 93.8852325071776 7.736e-05 deg
peri 303.4160585769375 8.0032e-05 deg
M 232.0850263423924 2.1885e-05 deg
tp 2457242.738099974821
(2015-Aug-08.23809997)
7.7884e-05 JED
period 1244.621418733077
3.41
1.0876e-05
2.978e-08
d
yr
n .2892445803852955 2.5275e-09 deg/d
Q 2.695869148143013 1.5705e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      877  
   data-arc span      21266 days (58.22 yr)  
   first obs. used      1955-03-22  
   last obs. used      2013-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54796  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 16:28:50  

Additional Information
 Earth MOID = .846415 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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