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JPL Small-Body Database Browser
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52311 (1991 VK8)
Classification: Main-belt Asteroid          SPK-ID: 2052311
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05020386968421889 4.8422e-08  
a 3.001015125940307 1.9542e-08 au
q 2.85035255363723 1.4476e-07 au
i 11.08819608677323 5.5699e-06 deg
node 50.95584911242543 2.6107e-05 deg
peri 108.1983245763508 6.1411e-05 deg
M 67.050669491935 5.4502e-05 deg
tp 2458646.827476421176
(2019-Jun-12.32747642)
0.00028731 TDB
period 1898.893917885357
5.20
1.8548e-05
5.078e-08
d
yr
n .1895840502774913 1.8518e-09 deg/d
Q 3.151677698243384 2.0523e-08 au
  Orbit Determination Parameters
   # obs. used (total)      743  
   data-arc span      10402 days (28.48 yr)  
   first obs. used      1991-11-04  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51846  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:20:49  

Additional Information
 Earth MOID = 1.87982 au 
 Jupiter MOID = 1.86854 au 
 T_jup = 3.223 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO436150  

52311 (1991 VK8)          Discovered 1991-Nov-04 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 VK8 = 1994 JF7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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