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JPL Small-Body Database Browser
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109921 (2001 SY29)
Classification: Main-belt Asteroid          SPK-ID: 2109921
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09413183409472285 4.4322e-08  
a 2.712086918302492 1.3412e-08 au
q 2.456793202458374 1.2074e-07 au
i 2.278999561279806 5.6732e-06 deg
node 7.994833633975682 8.8945e-05 deg
peri 37.66529004022268 9.2685e-05 deg
M 307.4559992527519 2.4404e-05 deg
tp 2458838.608264303513
(2019-Dec-21.10826430)
0.0001103 TDB
period 1631.375112862031
4.47
1.2101e-05
3.313e-08
d
yr
n .2206727301168815 1.6369e-09 deg/d
Q 2.96738063414661 1.4675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      518  
   data-arc span      9449 days (25.87 yr)  
   first obs. used      1994-01-11  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58838  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:08:26  

Additional Information
 Earth MOID = 1.46591 au 
 Jupiter MOID = 2.36187 au 
 T_jup = 3.355 
[ 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 16.1   n/a MPO264104  

109921 (2001 SY29)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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