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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1110683467050479 1.2774e-07  
a 3.192057296208375 7.4675e-08 AU
q 2.837520769730725 3.8512e-07 AU
i 13.93880094628039 1.3116e-05 deg
node 231.0617820677986 4.5618e-05 deg
peri 182.1925563758534 7.3785e-05 deg
M 277.8679893731463 6.5263e-05 deg
tp 2457475.741543834271
(2016-Mar-28.24154383)
0.00038802 JED
period 2083.072780935904
5.70
7.3097e-05
2.001e-07
d
yr
n .1728216139612057 6.0645e-09 deg/d
Q 3.546593822686025 8.2969e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      6130 days (16.78 yr)  
   first obs. used      1998-10-12  
   last obs. used      2015-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54275  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 20:28:49  

Additional Information
 Earth MOID = 1.84829 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
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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