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300892 Taichung (2008 BT15)
Classification: Main-belt Asteroid          SPK-ID: 2300892
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1039899021828754 7.1437e-08  
a 3.113207233859142 3.853e-08 au
q 2.78946511813511 2.1376e-07 au
i 1.28845161047716 7.0931e-06 deg
node 145.9433972261727 0.00035772 deg
peri 21.69620256091668 0.00036065 deg
M 56.76767969289457 4.2421e-05 deg
tp 2458684.119931450974
(2019-Jul-19.61993145)
0.0002358 TDB
period 2006.367448763374
5.49
3.7247e-05
1.02e-07
d
yr
n .1794287483192006 3.331e-09 deg/d
Q 3.436949349583175 4.2537e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      4939 days (13.52 yr)  
   first obs. used      2006-10-19  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59562  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 19:37:33  

Additional Information
 Earth MOID = 1.79619 au 
 Jupiter MOID = 1.53224 au 
 T_jup = 3.210 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457260.5 (2015-Aug-26.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1048116572695826 7.1105e-08  
q 2.78743397164168 2.129e-07 au
tp 2456673.321134167164
(2014-Jan-15.82113417)
0.00023375 TDB
node 145.948931110272 0.00035785 deg
peri 21.09402482619287 0.00036074 deg
i 1.288063978843127 7.0926e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      4939 days (13.52 yr)  
   first obs. used      2006-10-19  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59562  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 19:37:33  

Additional Information
 Jupiter MOID = 1.53224 au 
 T_jup = 3.210 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.055864820026062E-15 -1.495671513352385E-14 4.840083841063919E-12 3.593304741345539E-15 1.013940598267106E-12 -7.500173439255378E-16
q -1.495671513352385E-14 4.532527942298532E-14 -1.551072727966905E-11 -8.90231286565914E-15 -3.173219183557995E-12 2.441394530143335E-15
tp 4.840083841063919E-12 -1.551072727966905E-11 5.463985560311841E-8 9.333907635486925E-11 1.074819491197664E-8 -1.816983892210698E-12
node 3.593304741345539E-15 -8.90231286565914E-15 9.333907635486925E-11 1.280548340767902E-7 -1.280028466732337E-7 6.959494204677094E-10
peri 1.013940598267106E-12 -3.173219183557995E-12 1.074819491197664E-8 -1.280028466732337E-7 1.301330517002912E-7 -6.961020340151768E-10
i -7.500173439255378E-16 2.441394530143335E-15 -1.816983892210698E-12 6.959494204677094E-10 -6.961020340151768E-10 5.030541580759959E-11

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 16.4   n/a MPO427617  

300892 Taichung           Discovered 2008 Jan. 28 by C.-S. Lin and Q.-z. Ye at Lulin.
Taichung is Taiwan's third largest city and has been proclaimed as a cultural city.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120207/MPCPages.arcLast Updated: 2012-02-09

[ show close-approach data ]
Alternate Designations
 2008 BT15 = 2008 AE73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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