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JPL Small-Body Database Browser
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27261 Yushiwang (1999 XS165)
Classification: Main-belt Asteroid          SPK-ID: 2027261
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1110239065859602 3.6167e-08  
a 2.262728627699934 7.8845e-09 au
q 2.011511655908799 8.4107e-08 au
i 3.787836740803393 3.8071e-06 deg
node 80.52410077565578 5.8263e-05 deg
peri 59.46207807191953 6.1478e-05 deg
M 226.7916491493667 1.8585e-05 deg
tp 2459060.519334173122
(2020-Jul-30.01933417)
6.4342e-05 TDB
period 1243.217555391998
3.40
6.498e-06
1.779e-08
d
yr
n .2895712005019819 1.5135e-09 deg/d
Q 2.51394559949107 8.7598e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1255  
   data-arc span      9850 days (26.97 yr)  
   first obs. used      1992-12-18  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51439  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:35:58  

Additional Information
 Earth MOID = 1.02832 au 
 Jupiter MOID = 2.50143 au 
 T_jup = 3.607 
[ 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 15.3   n/a MPO395268  
diameter diameter 5.671 km 0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27261 Yushiwang           Discovered 1999 Dec. 8 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Yushi Wang (b. 1993) was a finalist in the 2010 Intel Science Talent Search, a science competition for high-school seniors, for his computer-science project. He attends the Sunset High School, Portland, Oregon, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110319/MPCPages.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 1999 XS165 = 1992 YK1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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