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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1570988620353224 5.3268e-08  
a 3.122681001930721 2.5619e-08 au
q 2.632111370028084 1.6619e-07 au
i 11.87003674782487 8.0058e-06 deg
node .07966351479002182 2.7037e-05 deg
peri 68.12862428215043 3.8318e-05 deg
M 16.07004401411923 2.4197e-05 deg
tp 2458510.528611275307
(2019-Jan-27.02861128)
0.00013527 TDB
period 2015.532746047961
5.52
2.4804e-05
6.791e-08
d
yr
n .1786128261651342 2.1981e-09 deg/d
Q 3.613250633833358 2.9644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      8089 days (22.15 yr)  
   first obs. used      1996-11-07  
   last obs. used      2018-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58785  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:49:27  

Additional Information
 Earth MOID = 1.673 au 
 Jupiter MOID = 1.88358 au 
 T_jup = 3.164 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456669.5 (2014-Jan-12.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1572554953490071 5.3211e-08  
q 2.63373114888198 1.6643e-07 au
tp 2456500.762138281925
(2013-Jul-27.26213828)
0.00013325 TDB
node .1377558539253021 2.7064e-05 deg
peri 69.00255959509923 3.8302e-05 deg
i 11.8612817759906 8.0002e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      8089 days (22.15 yr)  
   first obs. used      1996-11-07  
   last obs. used      2018-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58785  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:49:27  

Additional Information
 Jupiter MOID = 1.88358 au 
 T_jup = 3.164 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.831368778780914E-15 -8.780674784342163E-15 -1.593357036500462E-12 6.619815127354095E-15 -2.93110963399789E-13 -1.104358362215118E-14
q -8.780674784342163E-15 2.769891844513016E-14 4.816514240418914E-12 -2.102324580490244E-14 8.899616921163161E-13 3.283629410331083E-14
tp -1.593357036500462E-12 4.816514240418914E-12 1.775585260539021E-8 -2.026623600287296E-11 3.636388389183149E-9 -1.611341187290809E-13
node 6.619815127354095E-15 -2.102324580490244E-14 -2.026623600287296E-11 7.324687305133856E-10 -7.203615322842808E-10 2.254007999451672E-11
peri -2.93110963399789E-13 8.899616921163161E-13 3.636388389183149E-9 -7.203615322842808E-10 1.467059114128023E-9 -2.223923909194358E-11
i -1.104358362215118E-14 3.283629410331083E-14 -1.611341187290809E-13 2.254007999451672E-11 -2.223923909194358E-11 6.400376367060562E-11

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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