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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06241864230007262 1.1452e-07  
a 2.855145946072941 4.5784e-08 AU
q 2.676931612550512 3.2185e-07 AU
i 1.240522540388137 1.1221e-05 deg
node 217.8445462473007 0.00043525 deg
peri 98.06006222407987 0.00044658 deg
M 228.8954462005232 0.00010798 deg
tp 2457642.235659112888
(2016-Sep-10.73565911)
0.00053644 JED
period 1762.141974366429
4.82
4.2386e-05
1.16e-07
d
yr
n .2042968190059922 4.9141e-09 deg/d
Q 3.03336027959537 4.8642e-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 = 1.66447 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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