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 ]  
152680 (1998 KJ9)
Classification: Apollo [NEO, PHA]          SPK-ID: 2152680
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6395818757815943 5.3202e-08  
a 1.447894816977015 4.7055e-09 AU
q .5218475340004076 7.7173e-08 AU
i 10.93380233691209 1.5287e-05 deg
node 98.69827534209195 4.4945e-05 deg
peri 259.9295855750345 4.3404e-05 deg
M 26.82210135747191 1.8828e-05 deg
tp 2456753.087348259655
(2014-Apr-05.58734826)
3.3067e-05 JED
period 636.3615735785513
1.74
3.1022e-06
8.493e-09
d
yr
n .565716119494073 2.7578e-09 deg/d
Q 2.373942099953623 7.7151e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      191  
   data-arc span      7706 days (21.10 yr)  
   first obs. used      1990-01-01  
   last obs. used      2011-02-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47107  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 08:59:48  

Additional Information
 Earth MOID = .00529296 AU 
 T_jup = 4.390 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.4 mag n/a MPO192326  

152680 (1998 KJ9)          Discovered 1998-May-27 by LINEAR at Socorro (704)
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Aug-01 01:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin