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JPL Small-Body Database Browser
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173809 (2001 SJ241)
Classification: Main-belt Asteroid          SPK-ID: 2173809
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09654052923726525 5.0447e-08  
a 2.750596142435065 2.3891e-08 au
q 2.485052135126404 1.3461e-07 au
i 9.739361971429176 7.6208e-06 deg
node 18.71449532815408 2.909e-05 deg
peri 239.934993919042 5.2421e-05 deg
M 54.95721579517964 4.6464e-05 deg
tp 2458346.132926670857
(2018-Aug-15.63292667)
0.00021415 TDB
period 1666.244278818132
4.56
2.1709e-05
5.944e-08
d
yr
n .2160547553419647 2.8149e-09 deg/d
Q 3.016140149743727 2.6198e-08 au
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      6614 days (18.11 yr)  
   first obs. used      2001-09-19  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .553  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 19:48:20  

Additional Information
 Earth MOID = 1.48758 au 
 Jupiter MOID = 2.0562 au 
 T_jup = 3.318 
[ 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 16.0   n/a MPO412972  

173809 (2001 SJ241)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 2001 SJ241 = 2004 GR23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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