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6500 Kodaira (1993 ET)
Classification: Mars-crossing Asteroid          SPK-ID: 2006500
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4173400622097953 3.0992e-08  
a 2.755141918248293 8.9814e-09 au
q 1.605310818689736 8.4567e-08 au
i 29.31991801280414 4.4656e-06 deg
node 186.1023108274704 7.4987e-06 deg
peri 255.4567054930171 8.9035e-06 deg
M 37.10049274795495 3.3155e-06 deg
tp 2458828.356128718731
(2019-Dec-10.85612872)
1.5471e-05 TDB
period 1670.376565677092
4.57
8.1678e-06
2.236e-08
d
yr
n .2155202649494025 1.0539e-09 deg/d
Q 3.904973017806851 1.273e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1946  
   data-arc span      18345 days (50.23 yr)  
   first obs. used      1970-04-11  
   last obs. used      2020-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43841  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:35:16  

Additional Information
 Earth MOID = .818788 au 
 Jupiter MOID = 2.36417 au 
 T_jup = 3.042 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456906.5 (2014-Sep-06.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4159852149374941 3.0969e-08  
q 1.610183216231167 8.4453e-08 au
tp 2457158.678074131921
(2015-May-16.17807413)
1.8714e-05 TDB
node 186.1261652832526 7.4941e-06 deg
peri 255.6073987412389 8.911e-06 deg
i 29.30998523113644 4.4637e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1946  
   data-arc span      18345 days (50.23 yr)  
   first obs. used      1970-04-11  
   last obs. used      2020-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43841  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:35:16  

Additional Information
 Jupiter MOID = 2.36417 au 
 T_jup = 3.042 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.590636989453868E-16 -2.610279043294756E-15 -1.399554386614202E-13 1.86583921885302E-15 -5.071600471786911E-14 -1.432264205817231E-14
q -2.610279043294756E-15 7.132269983214105E-15 3.268200446766126E-13 -4.411903331319656E-15 1.236435584315843E-13 3.861354054068432E-14
tp -1.399554386614202E-13 3.268200446766126E-13 3.5022991780833E-10 -1.273908817310329E-12 1.011472688124951E-10 8.4810945227687E-13
node 1.86583921885302E-15 -4.411903331319656E-15 -1.273908817310329E-12 5.61608417408392E-11 -4.913752651924643E-11 9.018242163389265E-12
peri -5.071600471786911E-14 1.236435584315843E-13 1.011472688124951E-10 -4.913752651924643E-11 7.940584019314284E-11 -7.257447724031779E-12
i -1.432264205817231E-14 3.861354054068432E-14 8.4810945227687E-13 9.018242163389265E-12 -7.257447724031779E-12 1.992466101202587E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.7   n/a MPO502215  
diameter diameter 9.487 km 2.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 5.400 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Clark, M. (2007) Minor Planet Bull. 34, 19-22.]
[Clark, M. (2011) Minor Planet Bull. 38, 187-189.]
[Stephens, R.D. (2015) Minor Planet Bull. 42, 104-106.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.151   0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
SMASSII spectral type spec_B B   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

6500 Kodaira (1993 ET)          Discovered 1993-Mar-15 by Endate, K., Watanabe, K. at Kitami
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1993 ET = 1970 GE1 = 1973 ST5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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