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359863 (2011 VR4)
Classification: Main-belt Asteroid          SPK-ID: 2359863
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 .05377708953854129 5.8875e-08  
a 3.060662192192539 4.3022e-08 au
q 2.896068687435773 1.7789e-07 au
i 9.851188217242125 6.6562e-06 deg
node 316.5396674932878 3.8798e-05 deg
peri 137.2212284599217 7.9423e-05 deg
M 174.3287511193857 6.8678e-05 deg
tp 2458053.416995514739
(2017-Oct-26.91699551)
0.00036902 TDB
period 1955.786864905612
5.35
4.1237e-05
1.129e-07
d
yr
n .1840691368061591 3.8811e-09 deg/d
Q 3.225255696949305 4.5336e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      6349 days (17.38 yr)  
   first obs. used      2001-12-20  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54975  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:46:35  

Additional Information
 Earth MOID = 1.92149 au 
 Jupiter MOID = 1.87836 au 
 T_jup = 3.209 
[ 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 16.0   n/a MPO437519  

359863 (2011 VR4)          Discovered 2008-Feb-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2011 VR4 = 2013 CR185 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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