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38454 Boroson (1999 TB2)
Classification: Main-belt Asteroid          SPK-ID: 2038454
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1961668795137399 7.9279e-08  
a 2.626480974851525 2.2943e-08 AU
q 2.111252397912696 2.0354e-07 AU
i 13.79210606034953 6.6464e-06 deg
node 93.39979528354564 3.1671e-05 deg
peri 272.2506842778414 3.6218e-05 deg
M 205.449349193317 2.0169e-05 deg
tp 2457667.964471013507
(2016-Oct-06.46447101)
9.0723e-05 JED
period 1554.747316240172
4.26
2.0372e-05
5.578e-08
d
yr
n .2315488801553837 3.034e-09 deg/d
Q 3.141709551790354 2.7444e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      759  
   data-arc span      5896 days (16.14 yr)  
   first obs. used      1998-05-01  
   last obs. used      2014-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5165  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 15:20:18  

Additional Information
 Earth MOID = 1.16331 AU 
 T_jup = 3.334 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2 mag n/a MPO257134  

38454 Boroson           Discovered 1999 Oct. 2 by C. W. Juels at Fountain Hills.
Todd A. Boroson (b. 1954) studies the spectra of Active Galactic Nuclei. He is the deputy director of the National Optical Astronomy Observatory in Tucson, Arizona, and also leads the NOAO Data Products and the Telescope System Instrumentation programs.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050919/MPCPages.arcLast Updated: 2005-09-26

Alternate Designations
 1999 TB2 = 1998 JP4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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