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JPL Small-Body Database Browser
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(1998 KY26)
Classification: Apollo [NEO]          SPK-ID: 3012392
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2018414040916403 2.0829e-07  
a 1.232902161794972 3.1257e-08 au
q .9840514583506564 2.7736e-07 au
i 1.481034423694906 1.1717e-05 deg
node 84.36631790419247 9.712e-05 deg
peri 209.3671431458093 0.0001465 deg
M 71.54311121727696 0.0035301 deg
tp 2458501.129684261099
(2019-Jan-17.62968426)
0.0049069 TDB
period 500.0245733982755
1.37
1.9015e-05
5.206e-08
d
yr
n .7199646160454912 2.738e-08 deg/d
Q 1.481752865239288 3.7566e-08 au
  Orbit Determination Parameters
   # obs. used (total)      215  
   # 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-N16  
   condition code      3  
   norm. resid. RMS      .44885  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:17:47  

Additional Information
 Earth MOID = .00256903 au 
 Jupiter MOID = 3.66533 au 
 T_jup = 5.174 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.5   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 LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Hicks, M.; Weissman, P.; Rabinowitz, D.L.; Chamberlin, A.B.; Buratti, B.J.; Lee, C.O. (1998) Bull. Amer. Astron. Soc. 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 | Mission Design | Physical Parameters | Close-Approach Data ]
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