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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2019149309369123 2.0623e-07  
a 1.232931372238296 3.6758e-08 au
q .9839841193628484 2.786e-07 au
i 1.480999566618858 1.1719e-05 deg
node 84.36574460852806 9.7059e-05 deg
peri 209.3781424101806 0.00014425 deg
M 359.5131181001146 0.003521 deg
tp 2459001.176282128672
(2020-May-31.67628213)
0.0048906 TDB
period 500.04234369639
1.37
2.2362e-05
6.122e-08
d
yr
n .7199390302405683 3.2196e-08 deg/d
Q 1.481878625113745 4.418e-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 = .00253064 au 
 Jupiter MOID = 3.66599 au 
 T_jup = 5.173 
[ 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-August); 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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