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JPL Small-Body Database Browser
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109888 (2001 SY9)
Classification: Main-belt Asteroid          SPK-ID: 2109888
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1277586683428397 7.6948e-08  
a 2.639040310472362 1.1272e-08 au
q 2.301880034703338 2.0093e-07 au
i 10.06398712306862 9.6265e-06 deg
node 35.35334818914425 2.3196e-05 deg
peri 27.80618581608747 4.0249e-05 deg
M 17.78901793567836 2.9447e-05 deg
tp 2458523.122100701571
(2019-Feb-08.62210070)
0.00012811 TDB
period 1565.912398770782
4.29
1.0033e-05
2.747e-08
d
yr
n .2298979178417609 1.4729e-09 deg/d
Q 2.976200586241385 1.2712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      773  
   data-arc span      7475 days (20.47 yr)  
   first obs. used      1999-05-16  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56354  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:18:22  

Additional Information
 Earth MOID = 1.31876 au 
 Jupiter MOID = 2.39002 au 
 T_jup = 3.363 
[ 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 15.4   n/a MPO231978  

109888 (2001 SY9)          Discovered 2001-Sep-18 by Yeung, W. K. Y. at Desert Eagle
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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