Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1110239038369183 3.6734e-08  
a 2.262728627135708 7.9926e-09 au
q 2.011511661627551 8.5166e-08 au
i 3.787837039100855 3.8234e-06 deg
node 80.52411366241661 6.0368e-05 deg
peri 59.46206562835493 6.3478e-05 deg
M 226.7916491171655 1.8585e-05 deg
tp 2459060.519334112261
(2020-Jul-30.01933411)
6.4342e-05 TDB
period 1243.217554926991
3.40
6.5871e-06
1.803e-08
d
yr
n .2895712006102917 1.5343e-09 deg/d
Q 2.513945592643865 8.88e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1217  
   data-arc span      9841 days (26.94 yr)  
   first obs. used      1992-12-18  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51992  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:02:16  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-09 11:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin