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20166 (1996 VQ4)
Classification: Main-belt Asteroid          SPK-ID: 2020166
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1835140435515794 3.6934e-08  
a 2.40183473438777 9.6484e-09 au
q 1.961064330337636 8.8932e-08 au
i 11.6687052006751 3.8489e-06 deg
node 230.9588977572333 2.2646e-05 deg
peri 60.96945000787255 2.5716e-05 deg
M 219.2163034390599 1.2587e-05 deg
tp 2459532.195484589783
(2021-Nov-13.69548459)
4.8933e-05 TDB
period 1359.606112981039
3.72
8.1925e-06
2.243e-08
d
yr
n .264782569424223 1.5955e-09 deg/d
Q 2.842605138437903 1.1419e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1350  
   data-arc span      23582 days (64.56 yr)  
   first obs. used      1955-10-25  
   last obs. used      2020-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49746  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:04:24  

Additional Information
 Earth MOID = .974804 au 
 Jupiter MOID = 2.36839 au 
 T_jup = 3.475 
[ 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 14.7   n/a MPO467938  
diameter diameter 4.707 km 0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.115   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20166 (1996 VQ4)          Discovered 1996-Nov-13 by Kobayashi, T. at Oizumi
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 VQ4 = 1988 RZ7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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