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109920 (2001 SJ29)
Classification: Main-belt Asteroid          SPK-ID: 2109920
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03150613693854493 4.998e-08  
a 2.734468233776168 1.5598e-08 au
q 2.648315703148715 1.3561e-07 au
i 5.862639187233784 5.606e-06 deg
node 8.233128501039646 3.7072e-05 deg
peri 330.4503884441537 7.6907e-05 deg
M 75.82512688427809 6.5883e-05 deg
tp 2458652.628863805143
(2019-Jun-18.12886380)
0.00030281 TDB
period 1651.610939224357
4.52
1.4132e-05
3.869e-08
d
yr
n .2179690091959951 1.8651e-09 deg/d
Q 2.820620764403621 1.609e-08 au
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      6739 days (18.45 yr)  
   first obs. used      2001-08-22  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55202  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:35:29  

Additional Information
 Earth MOID = 1.6415 au 
 Jupiter MOID = 2.29323 au 
 T_jup = 3.344 
[ 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 15.4   n/a MPO417565  

109920 (2001 SJ29)          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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