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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08116461086695662 6.6659e-08  
a 2.980298279160074 3.6499e-08 au
q 2.738403529064586 2.1238e-07 au
i 11.91728351394797 9.7018e-06 deg
node 162.004709867778 3.1202e-05 deg
peri 99.77851949506361 9.6395e-05 deg
M 2.362208645056433 9.9729e-05 deg
tp 2457588.168844376642
(2016-Jul-18.66884438)
0.00052054 JED
period 1879.264997907356
5.15
3.4523e-05
9.452e-08
d
yr
n .1915642553875455 3.5191e-09 deg/d
Q 3.222193029255561 3.9462e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      5897 days (16.15 yr)  
   first obs. used      2000-02-12  
   last obs. used      2016-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53911  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 17:15:46  

Additional Information
 Earth MOID = 1.75525 au 
 Jupiter MOID = 1.91847 au 
 T_jup = 3.222 
[ 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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