Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
(1998 KY26)
Classification: Apollo [NEO]          SPK-ID: 3012392
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2018783581800853 2.4975e-07  
a 1.232895674305754 6.2331e-08 AU
q .9840007197695788 3.5006e-07 AU
i 1.480440044264248 1.2937e-05 deg
node 84.36277016162317 9.627e-05 deg
peri 209.3565147144013 0.00015594 deg
M 215.5859364356055 0.0035882 deg
tp 2457001.083362702282
(2014-Dec-09.58336270)
0.0049687 JED
period 500.0206267350338
1.37
3.7919e-05
1.038e-07
d
yr
n .7199702987268319 5.4599e-08 deg/d
Q 1.481790628841928 7.4914e-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 = .00257647 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. 2013-Sep-12) Published Reference List:
[Hicks, M.; Weissman, P. (1998) Bul. 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 | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-24 17:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin