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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .183388756903525 3.6947e-08  
a 2.401976098233566 9.7238e-09 au
q 1.961480687466533 8.8962e-08 au
i 11.67003585561037 4.0012e-06 deg
node 230.9677487135788 2.2994e-05 deg
peri 60.89533592587316 2.6466e-05 deg
M 113.4038271785915 1.2789e-05 deg
tp 2458172.171808233241
(2018-Feb-22.67180823)		 4.7558e-05 TDB
period 1359.726147453541
3.72		 8.2568e-06
2.261e-08		 d
yr
n .2647591948380184 1.6077e-09 deg/d
Q 2.842471509000599 1.1507e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1266  
   data-arc span      23419 days (64.12 yr)  
   first obs. used      1955-10-25  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50192  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:42:15  

Additional Information
 Earth MOID = .974589 au 
 Jupiter MOID = 2.36712 au 
 T_jup = 3.474 
[ 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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