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312913 (2011 VV4)
Classification: Main-belt Asteroid          SPK-ID: 2312913
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02925708751342882 6.1151e-08  
a 3.143192829103377 6.6993e-08 au
q 3.051232161430718 2.297e-07 au
i 2.574738887021804 5.9975e-06 deg
node 159.144809323963 0.00016284 deg
peri 176.8896045559 0.00020966 deg
M 274.8618982950139 0.00012794 deg
tp 2459481.867124401948
(2021-Sep-24.36712440)
0.00072051 TDB
period 2035.424343676111
5.57
6.5074e-05
1.782e-07
d
yr
n .1768672960596591 5.6546e-09 deg/d
Q 3.235153496776036 6.8953e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      6281 days (17.20 yr)  
   first obs. used      2002-02-12  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60327  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:28:24  

Additional Information
 Earth MOID = 2.04098 au 
 Jupiter MOID = 1.87808 au 
 T_jup = 3.208 
[ 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 16.3   n/a MPO471275  

312913 (2011 VV4)          Discovered 2005-Oct-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 VV4 = 2008 GR27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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