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166747 Gordonrichards (2002 TB316)
Classification: Main-belt Asteroid          SPK-ID: 2166747
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2431684569469054 1.3607e-07  
a 3.14225155116855 4.504e-08 AU
q 2.378155090131874 4.4234e-07 AU
i 16.625079815413 1.4364e-05 deg
node 170.2727445340005 3.8742e-05 deg
peri 257.959842570731 4.7748e-05 deg
M 45.76495529108835 2.9529e-05 deg
tp 2456741.863155830138
(2014-Mar-25.36315583)
0.00016322 JED
period 2034.510102958215
5.57
4.3743e-05
1.198e-07
d
yr
n .1769467743003849 3.8044e-09 deg/d
Q 3.906348012205227 5.5992e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      6090 days (16.67 yr)  
   first obs. used      1998-02-27  
   last obs. used      2014-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60721  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 16:59:17  

Additional Information
 Earth MOID = 1.45559 AU 
 T_jup = 3.100 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5 mag n/a MPO236972  

166747 Gordonrichards           Discovered 2002 Oct. 4 by the Sloan Digital Sky Survey at Apache Point.
Gordon Richards (b. 1972) is an American astronomer and a contributor to the Sloan Digital Sky Survey, known for his work on the demographics and physics of quasars.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20130127/MPCPages.arcLast Updated: 2013-01-31

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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