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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 ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1443532874639243 3.0319e-08  
a 2.205580884149643 7.1429e-09 au
q 1.887198032755053 6.6826e-08 au
i 5.294496294457377 3.8817e-06 deg
node .450677990087894 3.7768e-05 deg
peri 39.53066792332109 4.049e-05 deg
M 318.3568793144013 1.6935e-05 deg
tp 2459534.896044357112
(2021-Nov-16.39604436)
5.6659e-05 TDB
period 1196.417923255941
3.28
5.812e-06
1.591e-08
d
yr
n .3008982003715669 1.4617e-09 deg/d
Q 2.523963735544233 8.174e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1266  
   data-arc span      11997 days (32.85 yr)  
   first obs. used      1988-08-16  
   last obs. used      2021-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50129  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 13:55:47  

Additional Information
 Earth MOID = .89734 au 
 Jupiter MOID = 2.88479 au 
 T_jup = 3.642 
[ show covariance matrix ]

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

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