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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08116982653003472 6.7511e-08  
a 2.980443773351042 3.7453e-08 au
q 2.738521669285615 2.157e-07 au
i 11.9172788759121 9.7752e-06 deg
node 162.0054655113964 3.1521e-05 deg
peri 99.6908555571994 0.00010002 deg
M 324.1254117061418 0.00010389 deg
tp 2457587.785541750671
(2016-Jul-18.28554175)
0.00054352 JED
period 1879.402614406716
5.15
3.5425e-05
9.699e-08
d
yr
n .1915502283759692 3.6106e-09 deg/d
Q 3.222365877416468 4.0493e-08 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      5536 days (15.16 yr)  
   first obs. used      2000-02-12  
   last obs. used      2015-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52192  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 22:02:00  

Additional Information
 Earth MOID = 1.75422 au 
 Jupiter MOID = 1.91747 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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