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(1998 KY26)
Classification: Apollo [NEO]          SPK-ID: 3012392
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2019176893830575 2.5132e-07  
a 1.232845993843401 6.9547e-08 AU
q .9839125794013825 3.5721e-07 AU
i 1.48044409000416 1.2938e-05 deg
node 84.36214896718073 9.6225e-05 deg
peri 209.3725697026434 0.00015364 deg
M 359.5729719228407 0.0035794 deg
tp 2457001.093083168911
(2014-Dec-09.59308317)
0.0049712 JED
period 499.9904039763018
1.37
4.2308e-05
1.158e-07
d
yr
n .7200138185393316 6.0926e-08 deg/d
Q 1.48177940828542 8.359e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      216  
   # delay obs. used      2  
   # Doppler obs. used      2  
   data-arc span      11 days  
   first obs. used      1998-05-28  
   last obs. used      1998-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      2  
   fit RMS      .43356  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 00:31:07  

Additional Information
 Earth MOID = .00218608 AU 
 T_jup = 5.174 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.5 mag n/a MPO38186  
diameter diameter 0.03 km n/a S.J. Ostro et al. (1999) Science v.285, pp.557-559 effective diameter bound: 20-40m
rotation period rot_per 0.1784 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Hicks, M.; Weissman, P.; Rabinowitz, D.L.; Chamberlin, A.B.; Buratti, B.J.; Lee, C.O. (1998) B.A.A.S. 30, 1029.]
[Pravec, P.; Sarounova, L. (1998) IAUC 6941. (1998 KY26)]
[Ostro, S.J.; Pravec, P.; Benner, L.A.M.; Hudson, R.S.; et al. (1999) Science 285, 557-559.]

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