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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06182618347142442 1.1403e-07  
a 2.856925242659991 4.6328e-08 AU
q 2.680292458443151 3.2038e-07 AU
i 1.239990353982921 1.1215e-05 deg
node 217.8878318077641 0.00043546 deg
peri 97.74230115966927 0.00044707 deg
M 188.3307477445327 0.00010873 deg
tp 2457641.578934897523
(2016-Sep-10.07893490)
0.00054297 JED
period 1763.789453177775
4.83
4.2902e-05
1.175e-07
d
yr
n .2041059942565123 4.9646e-09 deg/d
Q 3.033558026876832 4.9192e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      5171 days (14.16 yr)  
   first obs. used      2000-01-28  
   last obs. used      2014-03-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61261  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 11:53:00  

Additional Information
 Earth MOID = 1.66588 AU 
 T_jup = 3.300 
[ 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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