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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1078236812668182 5.5115e-08  
a 3.049425709470999 2.5772e-08 au
q 2.720625403726157 1.6876e-07 au
i 11.98431653647938 5.8208e-06 deg
node 48.56762340822662 2.5159e-05 deg
peri 333.4187163711045 3.5024e-05 deg
M 342.209876397433 2.6609e-05 deg
tp 2459096.617391878174
(2020-Sep-04.11739188)
0.00014411 TDB
period 1945.026456766711
5.33
2.4657e-05
6.751e-08
d
yr
n .1850874566500454 2.3464e-09 deg/d
Q 3.378226015215841 2.8551e-08 au
  Orbit Determination Parameters
   # obs. used (total)      674  
   data-arc span      7607 days (20.83 yr)  
   first obs. used      1999-10-06  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57958  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:21:04  

Additional Information
 Earth MOID = 1.73079 au 
 Jupiter MOID = 2.07257 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 14.3   n/a MPO436414  

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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