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173217 (1998 TS9)
Classification: Main-belt Asteroid          SPK-ID: 2173217
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1209021889388257 9.292e-08  
a 2.530074668495376 1.5752e-08 au
q 2.224183102895611 2.3684e-07 au
i 5.768306783819226 4.8585e-06 deg
node 34.22528485587738 5.3215e-05 deg
peri 152.2865918473415 5.7037e-05 deg
M 345.4188312381391 2.3596e-05 deg
tp 2459060.037181364441
(2020-Jul-29.53718136)
9.643e-05 TDB
period 1469.936027848515
4.02
1.3728e-05
3.759e-08
d
yr
n .2449086172320827 2.2872e-09 deg/d
Q 2.835966234095141 1.7657e-08 au
  Orbit Determination Parameters
   # obs. used (total)      444  
   data-arc span      10282 days (28.15 yr)  
   first obs. used      1992-03-04  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60519  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:25:27  

Additional Information
 Earth MOID = 1.22681 au 
 Jupiter MOID = 2.12085 au 
 T_jup = 3.434 
[ 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 16.4   n/a MPO459805  

173217 (1998 TS9)          Discovered 1998-Oct-12 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 1998 TS9 = 2004 EE26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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