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392921 (2012 VQ91)
Classification: Main-belt Asteroid          SPK-ID: 2392921
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09996612036767767 6.6488e-08  
a 3.078858724391029 4.8784e-08 au
q 2.77107716255348 1.9663e-07 au
i 12.07085230379482 6.8064e-06 deg
node 72.12018150519481 3.0011e-05 deg
peri 343.7913912255731 4.3128e-05 deg
M 145.7766397903616 3.1607e-05 deg
tp 2458201.460031360256
(2018-Mar-23.96003136)
0.0001682 TDB
period 1973.254350792951
5.40
4.6899e-05
1.284e-07
d
yr
n .1824397345711333 4.3361e-09 deg/d
Q 3.386640286228577 5.3661e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      4512 days (12.35 yr)  
   first obs. used      2007-12-16  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65346  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:24:59  

Additional Information
 Earth MOID = 1.78567 au 
 Jupiter MOID = 1.94516 au 
 T_jup = 3.187 
[ 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 16.2   n/a MPO437609  

392921 (2012 VQ91)          Discovered 2007-Dec-16 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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