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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05250567493406278 5.8425e-08  
a 3.063730591612297 4.4425e-08 au
q 2.902867349083558 1.7599e-07 au
i 9.85849933005 6.6619e-06 deg
node 316.5128267347727 3.8716e-05 deg
peri 137.9980209610278 8.1319e-05 deg
M 210.252435915792 7.0979e-05 deg
tp 2460015.263475812551
(2023-Mar-11.76347581)
0.00039029 TDB
period 1958.728698435306
5.36
4.2603e-05
1.166e-07
d
yr
n .1837926815937191 3.9976e-09 deg/d
Q 3.224593834141037 4.6758e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54955  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:29:46  

Additional Information
 Earth MOID = 1.92781 au 
 Jupiter MOID = 1.8754 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 16.0   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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