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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2438152513186118 8.0173e-08  
a 3.138508940354827 3.4236e-08 au
q 2.373292594296505 2.4544e-07 au
i 16.63913517916087 1.2392e-05 deg
node 170.2679158788911 2.7367e-05 deg
peri 257.6485930913444 3.954e-05 deg
M 116.8676962326442 2.5687e-05 deg
tp 2456741.211554745269
(2014-Mar-24.71155475)
0.00013918 JED
period 2030.876349433906
5.56
3.3231e-05
9.098e-08
d
yr
n .1772633770147295 2.9005e-09 deg/d
Q 3.903725286413149 4.2584e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      6251 days (17.11 yr)  
   first obs. used      1998-02-27  
   last obs. used      2015-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62796  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 22:02:00  

Additional Information
 Earth MOID = 1.45012 au 
 Jupiter MOID = 1.88896 au 
 T_jup = 3.101 
[ 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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