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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02925706625292945 6.1127e-08  
a 3.143192910254065 4.8682e-08 au
q 3.051232307033024 2.2419e-07 au
i 2.574742985891816 4.989e-06 deg
node 159.1449014175592 0.00016244 deg
peri 176.8894961504947 0.00020709 deg
M 274.8618996743076 0.00012638 deg
tp 2459481.867135245326
(2021-Sep-24.36713525)
0.00071327 TDB
period 2035.424422501733
5.57
4.7287e-05
1.295e-07
d
yr
n .1768672892101418 4.109e-09 deg/d
Q 3.235153513475107 5.0106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      6706 days (18.36 yr)  
   first obs. used      2002-02-12  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59232  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:45:35  

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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