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91931 (1999 VK52)
Classification: Main-belt Asteroid          SPK-ID: 2091931
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1080856266802248 5.4592e-08  
a 3.050516390046273 1.9714e-08 au
q 2.720799414329825 1.6812e-07 au
i 11.98262585773063 5.6545e-06 deg
node 48.5666048281829 1.7758e-05 deg
peri 333.5634607652016 2.6874e-05 deg
M 55.3578335161638 1.7829e-05 deg
tp 2459097.249382352161
(2020-Sep-04.74938235)
9.7373e-05 TDB
period 1946.070059294607
5.33
1.8865e-05
5.165e-08
d
yr
n .1849882013654171 1.7933e-09 deg/d
Q 3.380233365762721 2.1845e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1067  
   data-arc span      7800 days (21.36 yr)  
   first obs. used      1999-10-06  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52192  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:41:06  

Additional Information
 Earth MOID = 1.73022 au 
 Jupiter MOID = 2.07248 au 
 T_jup = 3.195 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.34   n/a MPO637247  

91931 (1999 VK52)          Discovered 1999-Nov-03 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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