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39459 (4266 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2039459
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1472465837678617 3.9433e-08  
a 3.086164833015469 2.0216e-08 au
q 2.631737604409428 1.2761e-07 au
i 17.79122358762473 5.5871e-06 deg
node 41.76787495593882 1.2651e-05 deg
peri 281.7479307556854 2.2723e-05 deg
M 352.1962220567516 1.9756e-05 deg
tp 2459043.426897990330
(2020-Jul-12.92689799)
0.00010881 TDB
period 1980.282292615598
5.42
1.9458e-05
5.327e-08
d
yr
n .1817922633265102 1.7862e-09 deg/d
Q 3.54059206162151 2.3192e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1363  
   data-arc span      15590 days (42.68 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48211  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:01:02  

Additional Information
 Earth MOID = 1.69243 au 
 Jupiter MOID = 2.0018 au 
 T_jup = 3.137 
[ 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 13.5   n/a MPO395375  
diameter diameter 15.290 km 2.234 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.044   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

39459 (4266 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4266 T-3 = 1999 XX163 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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