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173842 (2001 TM118)
Classification: Main-belt Asteroid          SPK-ID: 2173842
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .238743724110777 5.76e-08  
a 3.108111658417454 2.6607e-08 au
q 2.366069506134748 1.7153e-07 au
i 15.02318885363472 8.3847e-06 deg
node 322.8305363681068 2.3417e-05 deg
peri 97.61440277447227 3.0418e-05 deg
M 119.7121369182853 1.6704e-05 deg
tp 2458334.952543739943
(2018-Aug-04.45254374)
9.0921e-05 TDB
period 2001.443549680913
5.48
2.57e-05
7.036e-08
d
yr
n .1798701742336896 2.3096e-09 deg/d
Q 3.850153810700161 3.2959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      6705 days (18.36 yr)  
   first obs. used      2001-09-10  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54507  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:10:46  

Additional Information
 Earth MOID = 1.43471 au 
 Jupiter MOID = 1.77859 au 
 T_jup = 3.124 
[ 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 15.3   n/a MPO469864  

173842 (2001 TM118)          Discovered 2001-Oct-15 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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