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172318 Wangshui (2002 TY342)
Classification: Main-belt Asteroid          SPK-ID: 2172318
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 .1182333558406291 8.0559e-08  
a 2.790265890727714 3.2845e-08 AU
q 2.460363390779335 2.1332e-07 AU
i 9.000113301204287 8.8849e-06 deg
node 155.2936239879067 5.9294e-05 deg
peri 351.1221667700277 7.6948e-05 deg
M 105.3525021132097 4.7503e-05 deg
tp 2456502.293756441441
(2013-Jul-28.79375644)
0.00022247 JED
period 1702.420389487766
4.66
3.006e-05
8.23e-08
d
yr
n .2114636327331106 3.7338e-09 deg/d
Q 3.120168390676095 3.6729e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      7424 days (20.33 yr)  
   first obs. used      1995-02-24  
   last obs. used      2015-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56951  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 15:27:32  

Additional Information
 Earth MOID = 1.47294 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 15.9 mag n/a MPO299909  

172318 Wangshui           Discovered 2002 Oct. 5 by the Sloan Digital Sky Survey at Apache Point.
Shu-i Wang (b. 1964) is an American optical engineer and a Sloan Digital Sky Survey builder. She has designed and built astronomical instruments, head-up displays, and enhanced vision cameras.
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 TY342 = 1995 DT7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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