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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283335345826535 1.1688e-07  
a 2.601578058762567 1.8623e-08 au
q 2.267708350988888 3.0616e-07 au
i 14.22202904956462 8.0872e-06 deg
node 313.5599965179436 3.7567e-05 deg
peri 70.93295593084817 5.0365e-05 deg
M 46.96744747570595 2.951e-05 deg
tp 2458800.537675696484
(2019-Nov-13.03767570)
0.00012584 TDB
period 1532.687864004128
4.20
1.6457e-05
4.506e-08
d
yr
n .2348814839960333 2.522e-09 deg/d
Q 2.935447766536245 2.1013e-08 au
  Orbit Determination Parameters
   # obs. used (total)      272  
   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      .50695  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:23:56  

Additional Information
 Earth MOID = 1.31295 au 
 Jupiter MOID = 2.59255 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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