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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1479528970634343 5.1511e-08  
a 3.085691123700038 2.061e-08 au
q 2.629154182505693 1.6104e-07 au
i 17.81040992879291 5.8024e-06 deg
node 41.83323930470215 1.4548e-05 deg
peri 282.0346400387473 2.4631e-05 deg
M 279.2378573128518 2.224e-05 deg
tp 2459044.652831955904
(2020-Jul-14.15283196)
0.00012388 TDB
period 1979.826366463771
5.42
1.9835e-05
5.431e-08
d
yr
n .1818341275265503 1.8217e-09 deg/d
Q 3.542228064894382 2.3659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1200  
   data-arc span      15185 days (41.57 yr)  
   first obs. used      1977-10-11  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49111  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:08:57  

Additional Information
 Earth MOID = 1.6891 au 
 Jupiter MOID = 2.00465 au 
 T_jup = 3.136 
[ 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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