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14501 Tetsuokojima (1995 WA8)
Classification: Main-belt Asteroid          SPK-ID: 2014501
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1450525530321332 3.0713e-08  
a 2.20492470032319 7.3109e-09 au
q 1.8850947432977 6.7531e-08 au
i 5.293371335246184 4.4893e-06 deg
node .4880374737640162 4.1447e-05 deg
peri 39.62270896073225 4.4686e-05 deg
M 199.1102755019882 1.7721e-05 deg
tp 2459534.959594731979
(2021-Nov-16.45959473)
5.9948e-05 TDB
period 1195.884042339137
3.27
5.9478e-06
1.628e-08
d
yr
n .3010325309599782 1.4972e-09 deg/d
Q 2.52475465734868 8.3714e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1131  
   data-arc span      11487 days (31.45 yr)  
   first obs. used      1988-08-16  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50825  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:58:48  

Additional Information
 Earth MOID = .895922 au 
 Jupiter MOID = 2.88254 au 
 T_jup = 3.643 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456297.5 (2013-Jan-05.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1447192119600433 3.0638e-08  
q 1.885719591369218 6.7326e-08 au
tp 2455946.329204062009
(2012-Jan-19.82920406)
5.5231e-05 TDB
node .5268817710465599 4.1426e-05 deg
peri 39.46336796984845 4.4701e-05 deg
i 5.295759890556302 4.4906e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1131  
   data-arc span      11487 days (31.45 yr)  
   first obs. used      1988-08-16  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50825  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:58:48  

Additional Information
 Jupiter MOID = 2.88254 au 
 T_jup = 3.643 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.386897737681974E-16 -2.053731670295987E-15 -3.095095004643877E-13 5.134421294014125E-15 -9.167723808489094E-14 -6.291222963705907E-16
q -2.053731670295987E-15 4.532783724283288E-15 7.279091308790408E-13 -1.103123603936595E-14 2.167762389972162E-13 1.493220054964029E-15
tp -3.095095004643877E-13 7.279091308790408E-13 3.050473154451604E-9 3.490185683384511E-12 9.399186770143355E-10 6.762624702921276E-13
node 5.134421294014125E-15 -1.103123603936595E-14 3.490185683384511E-12 1.716108088642685E-9 -1.707086886538955E-9 -5.973760163679223E-11
peri -9.167723808489094E-14 2.167762389972162E-13 9.399186770143355E-10 -1.707086886538955E-9 1.998138972691659E-9 5.96818696290731E-11
i -6.291222963705907E-16 1.493220054964029E-15 6.762624702921276E-13 -5.973760163679223E-11 5.96818696290731E-11 2.016540585134941E-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 15.2   n/a MPO416865  
diameter diameter 2.457 km 0.394 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.293   0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14501 Tetsuokojima           Discovered 1995 Nov. 29 by T. Kobayashi at Oizumi.
Tetsuo Kojima (b. 1945) is a Japanese amateur astronomer and an active member of Ota Astronomical Club.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060219/MPCPages.arcLast Updated: 2010-06-03

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