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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1447313321702546 3.0398e-08  
a 2.205704793212517 6.9868e-09 au
q 1.886470200116554 6.7127e-08 au
i 5.293148323752524 3.8935e-06 deg
node .4689804703902021 3.7802e-05 deg
peri 39.53840715194226 4.0539e-05 deg
M 259.4000401301007 1.6891e-05 deg
tp 2459534.860382983705
(2021-Nov-16.36038298)
5.7039e-05 TDB
period 1196.518746426955
3.28
5.6852e-06
1.557e-08
d
yr
n .3008728455571903 1.4296e-09 deg/d
Q 2.524939386308481 7.998e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1256  
   data-arc span      11634 days (31.85 yr)  
   first obs. used      1988-08-16  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50098  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:39:33  

Additional Information
 Earth MOID = .896192 au 
 Jupiter MOID = 2.8832 au 
 T_jup = 3.642 
[ show covariance matrix ]

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 15.21   n/a E2020-QM5  
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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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