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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1450525525362469 3.0622e-08  
a 2.20492470017354 7.216e-09 au
q 1.885094744263149 6.74e-08 au
i 5.293370655121646 4.3581e-06 deg
node .4880439038158909 4.0248e-05 deg
peri 39.62270325979116 4.3348e-05 deg
M 199.1102750063102 1.7416e-05 deg
tp 2459534.959596324160
(2021-Nov-16.45959632)
5.903e-05 TDB
period 1195.884042217388
3.27
5.8706e-06
1.607e-08
d
yr
n .3010325309906251 1.4778e-09 deg/d
Q 2.524754656083931 8.2627e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1162  
   data-arc span      11578 days (31.70 yr)  
   first obs. used      1988-08-16  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5069  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:01:56  

Additional Information
 Earth MOID = .895922 au 
 Jupiter MOID = 2.88254 au 
 T_jup = 3.643 
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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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