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JPL Small-Body Database Browser
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173208 (1998 SO26)
Classification: Main-belt Asteroid          SPK-ID: 2173208
[ 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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .128084650051438 1.1697e-07  
a 2.600956914123499 1.8638e-08 au
q 2.267814257979122 3.062e-07 au
i 14.22194318018144 8.0877e-06 deg
node 313.5643523497876 3.759e-05 deg
peri 70.89351490846806 5.0439e-05 deg
M 313.0252222575053 2.9685e-05 deg
tp 2458800.421912197292
(2019-Nov-12.92191220)		 0.00012609 TDB
period 1532.138987129623
4.19		 1.6469e-05
4.509e-08		 d
yr
n .2349656284606659 2.5256e-09 deg/d
Q 2.934099570267875 2.1026e-08 au
   Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      7737 days (21.18 yr)  
   first obs. used      1998-09-24  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50943  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 13:02:02  

Additional Information
 Earth MOID = 1.31222 au 
 Jupiter MOID = 2.59414 au 
 T_jup = 3.360 
[ 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 16.3   n/a MPO401428  

173208 (1998 SO26)          Discovered 1998-Sep-24 by Klet at Klet
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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