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39667 (1995 YU2)
Classification: Main-belt Asteroid          SPK-ID: 2039667
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1019238107420249 3.4372e-08  
a 2.834906801860833 1.3157e-08 au
q 2.545962297516691 9.7439e-08 au
i .8365801567004714 4.139e-06 deg
node 282.9708782692437 0.00031912 deg
peri 138.0554651921702 0.00032022 deg
M 77.47050130124676 2.5068e-05 deg
tp 2458625.319315637884
(2019-May-21.81931564)
0.00012161 TDB
period 1743.438393991497
4.77
1.2137e-05
3.323e-08
d
yr
n .2064885121497191 1.4375e-09 deg/d
Q 3.123851306204976 1.4498e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1352  
   data-arc span      8891 days (24.34 yr)  
   first obs. used      1995-12-22  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51879  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:45:04  

Additional Information
 Earth MOID = 1.55878 au 
 Jupiter MOID = 2.15415 au 
 T_jup = 3.304 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO452719  
diameter diameter 2.918 km 0.483 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.329   0.142 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39667 (1995 YU2)          Discovered 1995-Dec-22 by Urata, T. at Oohira
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 YU2 = 1999 VQ86 = 1999 XF229 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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