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166748 Timrayschneider (2002 TW320)
Classification: Main-belt Asteroid          SPK-ID: 2166748
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06241861625978096 9.3584e-08  
a 2.855145938174056 4.1129e-08 AU
q 2.676931679493498 2.7354e-07 AU
i 1.240522570420693 1.1198e-05 deg
node 217.8444575431915 0.00040734 deg
peri 98.06013899678567 0.00041866 deg
M 228.8954617677204 0.00010105 deg
tp 2457642.235580250883
(2016-Sep-10.73558025)
0.00050049 JED
period 1762.141967053866
4.82
3.8076e-05
1.042e-07
d
yr
n .2042968198537861 4.4144e-09 deg/d
Q 3.033360196854615 4.3696e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      5539 days (15.16 yr)  
   first obs. used      2000-01-28  
   last obs. used      2015-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60091  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 22:28:14  

Additional Information
 Earth MOID = 1.66447 AU 
 T_jup = 3.301 
[ 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 16.1 mag n/a MPO248270  

166748 Timrayschneider           Discovered 2002 Oct. 5 by the Sloan Digital Sky Survey at Apache Point.
Donald Schneider (b. 1955) is an American astronomer and a Sloan Digital Sky Survey builder, known for his work on high-redshift quasars. Tim and Ray are his sons.
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 TW320 = 2005 EF77 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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