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JPL Small-Body Database Browser
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22553 Yisun (1998 FS116)
Classification: Main-belt Asteroid          SPK-ID: 2022553
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1211605014824116 3.6729e-08  
a 2.406210389463127 1.0676e-08 au
q 2.114672732003585 8.95e-08 au
i 5.631625222610042 5.2779e-06 deg
node 239.4259633257049 4.2799e-05 deg
peri 71.26847174753304 4.8343e-05 deg
M 129.5624581816118 2.3259e-05 deg
tp 2458109.845821379761
(2017-Dec-22.34582138)
8.7413e-05 TDB
period 1363.323193943191
3.73
9.0729e-06
2.484e-08
d
yr
n .2640606435798678 1.7573e-09 deg/d
Q 2.697748046922669 1.1969e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1010  
   data-arc span      8594 days (23.53 yr)  
   first obs. used      1995-06-24  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59184  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 00:10:24  

Additional Information
 Earth MOID = 1.10754 au 
 Jupiter MOID = 2.52647 au 
 T_jup = 3.506 
[ 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 15.2   n/a MPO452488  
diameter diameter 2.247 km 0.511 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.242   0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22553 Yisun           Discovered 1998 Mar. 31 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Yi Sun (b. 1988) is a finalist in the 2006 Intel Science Talent Search (STS), a science competition for high school seniors, for his mathematics project. He attends the The Harker School, San Jose, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060314/MPCPages.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1998 FS116 = 1999 TJ222 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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