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166746 Marcpostman (2002 TY311)
Classification: Main-belt Asteroid          SPK-ID: 2166746
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08163972487520037 7.9805e-08  
a 2.98438522475092 4.6081e-08 AU
q 2.740740836080642 2.4057e-07 AU
i 11.90897039641801 1.0663e-05 deg
node 162.0088415432855 4.5012e-05 deg
peri 98.76908504568166 0.00010381 deg
M 248.532437238494 0.00010277 deg
tp 2457583.578131340387
(2016-Jul-14.07813134)
0.00054234 JED
period 1883.131936163842
5.16
4.3616e-05
1.194e-07
d
yr
n .1911708856328791 4.4278e-09 deg/d
Q 3.228029613421198 4.9843e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      5368 days (14.70 yr)  
   first obs. used      2000-02-12  
   last obs. used      2014-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52485  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 16:59:16  

Additional Information
 Earth MOID = 1.75952 AU 
 T_jup = 3.221 
[ 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 15.0 mag n/a MPO241202  

166746 Marcpostman           Discovered 2002 Oct. 4 by the Sloan Digital Sky Survey at Apache Point.
Marc Postman (b. 1958) is an American astronomer and a contributor to the Sloan Digital Sky Survey, known for observational studies of clusters of galaxies and large-scale structure in the universe.
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 ]
Alternate Designations
 2002 TY311 = 2000 FO56 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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