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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .243168348452535 9.2789e-08  
a 3.142251580540563 3.6076e-08 AU
q 2.378155453278146 2.9102e-07 AU
i 16.6250857148247 1.2974e-05 deg
node 170.2727640828413 3.2682e-05 deg
peri 257.9598266459701 4.3386e-05 deg
M 45.76493993228758 2.5827e-05 deg
tp 2456741.863239002737
(2014-Mar-25.36323900)
0.0001436 JED
period 2034.510131484411
5.57
3.5037e-05
9.593e-08
d
yr
n .1769467718193855 3.0473e-09 deg/d
Q 3.906347707802979 4.4848e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      6209 days (17.00 yr)  
   first obs. used      1998-02-27  
   last obs. used      2015-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62238  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 20:49:10  

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 15.6 mag n/a MPO320738  

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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