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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1182333559808835 8.1534e-08  
a 2.790265890167087 3.3056e-08 AU
q 2.460363389893645 2.1674e-07 AU
i 9.000116305823557 9.2107e-06 deg
node 155.2936494156025 6.2388e-05 deg
peri 351.122146806213 8.3544e-05 deg
M 105.3524976874659 5.247e-05 deg
tp 2456502.293777520694
(2013-Jul-28.79377752)
0.00024659 JED
period 1702.420388974684
4.66
3.0252e-05
8.283e-08
d
yr
n .2114636327968423 3.7577e-09 deg/d
Q 3.120168390440529 3.6964e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      7055 days (19.32 yr)  
   first obs. used      1995-02-24  
   last obs. used      2014-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57543  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 15:54:47  

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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