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JPL Small-Body Database Browser
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20888 Siyueguo (2000 WB14)
Classification: Main-belt Asteroid          SPK-ID: 2020888
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .09423904680210414 5.2479e-08  
a 2.67887960491584 1.3381e-08 au
q 2.426424544450974 1.4216e-07 au
i 1.497757837505637 4.8752e-06 deg
node 299.5374057793316 0.00017441 deg
peri 48.95857001711826 0.00017562 deg
M 133.1814754948143 2.0574e-05 deg
tp 2458008.025665346268
(2017-Sep-11.52566535)
9.1559e-05 TDB
period 1601.504711393954
4.38
1.1999e-05
3.285e-08
d
yr
n .2247885987713736 1.6842e-09 deg/d
Q 2.931334665380707 1.4642e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1090  
   data-arc span      10011 days (27.41 yr)  
   first obs. used      1991-11-04  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55702  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 23:46:48  

Additional Information
 Earth MOID = 1.41911 au 
 Jupiter MOID = 2.42703 au 
 T_jup = 3.371 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO431741  

20888 Siyueguo           Discovered 2000 Nov. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Si Yue Guo (b. 1987) was awarded first place in the 2004 Intel International Science and Engineering Fair for her physics team project. She also received the MILSET Expo-Science Europe award. She attends the College Regina Assumpta, Montreal, Quebec, Canada.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041226/MPCPages.arcLast Updated: 2004-12-25
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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