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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09444146811853422 4.4256e-08  
a 2.712964708554061 1.3323e-08 au
q 2.456748338524444 1.2054e-07 au
i 2.278656075738861 5.574e-06 deg
node 7.988776161528047 8.7982e-05 deg
peri 37.62263197444058 9.1692e-05 deg
M 35.74944479817388 2.3916e-05 deg
tp 2458838.419247628311
(2019-Dec-20.91924763)
0.00010864 TDB
period 1632.167189818528
4.47
1.2023e-05
3.292e-08
d
yr
n .2205656395041408 1.6247e-09 deg/d
Q 2.969181078583677 1.4581e-08 au
  Orbit Determination Parameters
   # obs. used (total)      530  
   data-arc span      9510 days (26.04 yr)  
   first obs. used      1994-01-11  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58369  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:35:29  

Additional Information
 Earth MOID = 1.4664 au 
 Jupiter MOID = 2.36015 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 16.0   n/a MPO502757  

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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