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173830 (2001 TO60)
Classification: Main-belt Asteroid          SPK-ID: 2173830
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2846240072038659 3.6092e-08  
a 3.153339592159349 2.3925e-08 au
q 2.25582344136435 1.1333e-07 au
i 12.55139853288262 7.5229e-06 deg
node 200.9918340328177 2.0173e-05 deg
peri 261.3728310841653 2.4291e-05 deg
M 72.37135787363322 1.1955e-05 deg
tp 2458589.332515620724
(2019-Apr-15.83251562)
6.6588e-05 TDB
period 2045.288339552724
5.60
2.3277e-05
6.373e-08
d
yr
n .1760143022566329 2.0032e-09 deg/d
Q 4.050855742954346 3.0735e-08 au
  Orbit Determination Parameters
   # obs. used (total)      478  
   data-arc span      10750 days (29.43 yr)  
   first obs. used      1990-11-20  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59045  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:30:25  

Additional Information
 Earth MOID = 1.31258 au 
 Jupiter MOID = 1.51678 au 
 T_jup = 3.107 
[ 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 15.2   n/a MPO459807  

173830 (2001 TO60)          Discovered 2001-Oct-13 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 TO60 = 1990 WG9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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