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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2018785897099063 2.3257e-07  
a 1.232895658387464 5.7799e-08 AU
q .9840004216127364 3.2656e-07 AU
i 1.480438304270044 1.1732e-05 deg
node 84.36282519017445 9.0402e-05 deg
peri 209.3565430587067 0.00014552 deg
M 215.5846914382816 0.0033528 deg
tp 2457001.085088051844
(2014-Dec-09.58508805)
0.0046428 JED
period 500.0206170511572
1.37
3.5162e-05
9.627e-08
d
yr
n .7199703126704641 5.0629e-08 deg/d
Q 1.481790895162191 6.9468e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      217  
   # 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      .47506  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 09:48:40  

Additional Information
 Earth MOID = .00257652 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-Apr-21 14:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin