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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2431684232850946 1.1466e-07  
a 3.14225156036318 4.0357e-08 AU
q 2.378155202864538 3.6805e-07 AU
i 16.62508066638401 1.3712e-05 deg
node 170.2727462579403 3.6805e-05 deg
peri 257.9598423009728 4.6317e-05 deg
M 45.76495015769781 2.7379e-05 deg
tp 2456741.863183705862
(2014-Mar-25.36318371)
0.00015177 JED
period 2034.51011188807
5.57
3.9195e-05
1.073e-07
d
yr
n .1769467735237315 3.4089e-09 deg/d
Q 3.906347917861823 5.017e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      6121 days (16.76 yr)  
   first obs. used      1998-02-27  
   last obs. used      2014-12-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60021  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 08:35:27  

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

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