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173797 (2001 SO166)
Classification: Main-belt Asteroid          SPK-ID: 2173797
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1570683748593614 4.8287e-08  
a 3.121614850190039 2.4287e-08 au
q 2.631307878733841 1.4713e-07 au
i 11.87211222602231 7.4132e-06 deg
node .06946830890994839 2.4712e-05 deg
peri 68.00238669712026 3.6772e-05 deg
M 87.65352512561707 2.4305e-05 deg
tp 2458510.005332924360
(2019-Jan-26.50533292)
0.0001349 TDB
period 2014.500613571155
5.52
2.351e-05
6.437e-08
d
yr
n .1787043387203636 2.0856e-09 deg/d
Q 3.611921821646237 2.8102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      8538 days (23.38 yr)  
   first obs. used      1996-11-07  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57105  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:17:23  

Additional Information
 Earth MOID = 1.67242 au 
 Jupiter MOID = 1.88459 au 
 T_jup = 3.164 
[ 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 MPO297133  

173797 (2001 SO166)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 SO166 = 2003 AT66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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