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257559 (1998 TL19)
Classification: Main-belt Asteroid          SPK-ID: 2257559
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1111659127706142 1.5309e-07  
a 3.19215529144694 1.0983e-07 AU
q 2.837296434767695 4.3295e-07 AU
i 13.93947699163754 1.3596e-05 deg
node 231.070244689416 4.6357e-05 deg
peri 182.1604345456487 8.8173e-05 deg
M 243.3411500378838 8.9374e-05 deg
tp 2457475.555737641229
(2016-Mar-28.05573764)
0.00054549 JED
period 2083.168706272698
5.70
0.00010751
2.943e-07
d
yr
n .1728136559060206 8.9189e-09 deg/d
Q 3.547014148126185 1.2204e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      5686 days (15.57 yr)  
   first obs. used      1998-10-12  
   last obs. used      2014-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54994  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-12 05:47:07  

Additional Information
 Earth MOID = 1.84729 AU 
 T_jup = 3.141 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2 mag n/a MPO264657  

257559 (1998 TL19)          Discovered 1998-Oct-15 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

[ show close-approach data ]
Alternate Designations
 1998 TL19 = 2004 TL322 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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