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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6399029362560262 5.317e-08  
a 1.44788849771232 4.6735e-09 au
q .5213803966548797 7.711e-08 au
i 10.93093010954811 1.5284e-05 deg
node 98.66507117834574 4.4987e-05 deg
peri 259.9727567952926 4.3441e-05 deg
M 119.4101187067012 2.0912e-05 deg
tp 2457389.423573408011
(2016-Jan-01.92357341)
3.6004e-05 JED
period 636.3574075305859
1.74
3.081e-06
8.435e-09
d
yr
n .5657198230739491 2.739e-09 deg/d
Q 2.37439659876976 7.664e-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 = .00587154 au 
 Jupiter MOID = 3.1265 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
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 2016-Apr-30 20:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin