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JPL Small-Body Database Browser
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172318 Wangshui (2002 TY342)
Classification: Main-belt Asteroid          SPK-ID: 2172318
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1199100871407959 4.6186e-08  
a 2.790238909946984 1.8827e-08 au
q 2.455661119111602 1.2659e-07 au
i 9.012203705151942 4.8238e-06 deg
node 155.1110658099467 3.4937e-05 deg
peri 352.0903659409297 4.1814e-05 deg
M 167.1914087037478 2.3889e-05 deg
tp 2458209.872403493870
(2018-Apr-01.37240349)
0.00011037 TDB
period 1702.395696937665
4.66
1.723e-05
4.717e-08
d
yr
n .2114666999262169 2.1403e-09 deg/d
Q 3.124816700782366 2.1085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      379  
   data-arc span      8947 days (24.50 yr)  
   first obs. used      1995-02-24  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57475  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:45:35  

Additional Information
 Earth MOID = 1.46746 au 
 Jupiter MOID = 1.87595 au 
 T_jup = 3.301 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO493964  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1927-Nov-21 07:07 00:03 Jupiter 1.93914463687946 1.93914359783548 1.93914567593028 3.291746829851 3.15626249281324 2425205.796517276 2.60937493190447 204.59709107612 14.2360901252138 77.7510808292256 2970000.45945267 T 16 CATAB v2.0f-lin.ifort 2019-Sep-24 03:45:38 2019-Sep-24 03:45
1950-Nov-15 13:23 00:02 Jupiter 1.87943287667109 1.87943251180221 1.87943324154018 3.13906047406955 2.99204628502202 2433601.057779847 1.85404411806795 159.600467129313 14.8449692021477 89.5369415365662 2798964.40791973 T 16 CATAB v2.0f-lin.ifort 2019-Sep-24 03:45:38 2019-Sep-24 03:45
1973-Nov-08 13:30 00:01 Jupiter 1.96859085902711 1.96859029520574 1.96859142284881 3.09826215646121 2.95612779025129 2441995.062231577 1.19857316806981 86.9387498218247 21.3436573034533 -79.3813573888455 2718444.00800283 T 16 CATAB v2.0f-lin.ifort 2019-Sep-24 03:45:38 2019-Sep-24 03:45
2058-Jun-05 17:10 00:01 Jupiter 1.93951736200844 1.93951690760606 1.93951781641159 3.2448484733261 3.10734697623597 2472885.215071682 1.26309606850981 105.199529828352 14.4864411497052 82.0882663575122 3001976.81745216 T 16 CATAB v2.0f-lin.ifort 2019-Sep-24 03:45:38 2019-Sep-24 03:45
2081-May-30 19:27 00:02 Jupiter 1.87755721323747 1.87755679699938 1.87755762947662 3.13905276175995 2.99188771554357 2481280.310387968 1.92840799534294 159.302928492073 15.4776889677419 -86.8760715400308 2832737.93511461 T 16 CATAB v2.0f-lin.ifort 2019-Sep-24 03:45:38 2019-Sep-24 03:45
2104-May-24 11:53 00:03 Jupiter 1.96935503509264 1.96935382972649 1.96935624046236 3.15167144388883 3.01211386399072 2489673.995409513 2.68516650595422 161.665137390358 23.908319746253 -71.3296349826349 2751054.36404605 T 16 CATAB v2.0f-lin.ifort 2019-Sep-24 03:45:38 2019-Sep-24 03:45
2188-Dec-21 06:58 00:05 Jupiter 1.93706106849292 1.93705952333755 1.93706261367406 3.18540441829836 3.04503815436334 2520565.789971035 5.12825567815368 378.394102281399 14.0571835629721 79.09658386697 2913363.73668252 T 16 CATAB v2.0f-lin.ifort 2019-Sep-24 03:45:38 2019-Sep-24 03:45

Alternate Designations
 2002 TY342 = 1995 DT7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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