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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1904396436131404 6.0243e-08  
a 2.264535592011114 1.4157e-08 AU
q 1.833278240919245 1.3583e-07 AU
i 5.55913179452693 5.7105e-06 deg
node 93.8850159110699 7.4391e-05 deg
peri 303.4056911736762 7.7115e-05 deg
M 289.9339148221167 2.3354e-05 deg
tp 2457242.754863796506
(2015-Aug-08.25486380)
8.2197e-05 JED
period 1244.707061131354
3.41
1.1672e-05
3.196e-08
d
yr
n .2892246788355042 2.7122e-09 deg/d
Q 2.695792943102982 1.6853e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      879  
   data-arc span      21675 days (59.34 yr)  
   first obs. used      1955-03-22  
   last obs. used      2014-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50867  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:15:33  

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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