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173807 (2001 SG238)
Classification: Main-belt Asteroid          SPK-ID: 2173807
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08449904124924669 9.0228e-08  
a 2.934367378506888 2.7103e-08 au
q 2.686416148349991 2.6709e-07 au
i 2.328945680475908 9.9088e-06 deg
node 169.6431523556388 0.0001545 deg
peri 215.2396314900066 0.00015996 deg
M 246.2073265416864 4.3592e-05 deg
tp 2459580.839265761635
(2022-Jan-01.33926576)
0.00022716 TDB
period 1835.989342061855
5.03
2.5437e-05
6.964e-08
d
yr
n .1960795696099806 2.7166e-09 deg/d
Q 3.182318608663786 2.9393e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      6441 days (17.63 yr)  
   first obs. used      2001-09-11  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57521  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:42:24  

Additional Information
 Earth MOID = 1.69038 au 
 Jupiter MOID = 2.23106 au 
 T_jup = 3.269 
[ 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 16.2   n/a MPO433117  

173807 (2001 SG238)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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