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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1181337217788468 7.9069e-08  
a 2.790844904275908 3.2548e-08 au
q 2.461152008826266 2.0803e-07 au
i 9.000667373618883 8.0543e-06 deg
node 155.2902968779798 4.8712e-05 deg
peri 351.2531279580489 6.0429e-05 deg
M 189.7736242039982 3.829e-05 deg
tp 2458205.741839259166
(2018-Mar-28.24183926)
0.00018833 JED
period 1702.950325868998
4.66
2.9791e-05
8.156e-08
d
yr
n .2113978279526714 3.6981e-09 deg/d
Q 3.12053779972555 3.6393e-08 au
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      7531 days (20.62 yr)  
   first obs. used      1995-02-24  
   last obs. used      2015-10-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55495  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-28 20:58:18  

Additional Information
 Earth MOID = 1.47326 au 
 Jupiter MOID = 1.88663 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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