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392920 (2012 VP91)
Classification: Main-belt Asteroid          SPK-ID: 2392920
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1439154102520784 8.7245e-08  
a 2.549019345060418 2.3259e-08 au
q 2.182176180275564 2.2009e-07 au
i 4.424399350844292 6.0348e-06 deg
node 104.4025617514248 0.00011496 deg
peri 84.10652613833069 0.00011692 deg
M 191.7887029455767 2.1322e-05 deg
tp 2459695.061622282834
(2022-Apr-25.56162228)
9.1137e-05 TDB
period 1486.476761075811
4.07
2.0345e-05
5.57e-08
d
yr
n .2421834026785972 3.3148e-09 deg/d
Q 2.915862509845272 2.6606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      6837 days (18.72 yr)  
   first obs. used      2001-01-05  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61012  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 13:06:05  

Additional Information
 Earth MOID = 1.18841 au 
 Jupiter MOID = 2.04967 au 
 T_jup = 3.422 
[ 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 17.1   n/a MPO440695  

392920 (2012 VP91)          Discovered 2006-Apr-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2012 VP91 = 2006 HB39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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