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173218 (1998 TP15)
Classification: Main-belt Asteroid          SPK-ID: 2173218
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1004507529020862 5.5387e-08  
a 2.560870093072693 2.0464e-08 au
q 2.303628764139106 1.3873e-07 au
i 12.79245052144668 6.4953e-06 deg
node 222.4178202143426 2.2658e-05 deg
peri 320.9221680143106 3.7754e-05 deg
M 311.6386460134662 3.2126e-05 deg
tp 2459201.583159286358
(2020-Dec-18.08315929)
0.00013418 TDB
period 1496.855058343606
4.10
1.7942e-05
4.912e-08
d
yr
n .2405042478851425 2.8829e-09 deg/d
Q 2.818111422006281 2.252e-08 au
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      7751 days (21.22 yr)  
   first obs. used      1998-10-15  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55995  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 21:49:49  

Additional Information
 Earth MOID = 1.3162 au 
 Jupiter MOID = 2.18791 au 
 T_jup = 3.393 
[ 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 15.6   n/a MPO417933  

173218 (1998 TP15)          Discovered 1998-Oct-15 by ODAS at Caussols
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1998 TP15 = 2004 CO101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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