Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
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 ]  
279117 (2009 KJ7)
Classification: Main-belt Asteroid          SPK-ID: 2279117
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1705630493947997 6.3064e-08  
a 2.879945035601759 4.6713e-08 au
q 2.388732828240108 1.7196e-07 au
i 13.4761350956987 1.134e-05 deg
node 51.10620681577849 2.9286e-05 deg
peri 249.394273030816 4.8531e-05 deg
M 46.42028671929214 4.2062e-05 deg
tp 2458770.313397153341
(2019-Oct-13.81339715)
0.00020534 TDB
period 1785.150047131392
4.89
4.3433e-05
1.189e-07
d
yr
n .2016637204130231 4.9065e-09 deg/d
Q 3.371157242963409 5.4681e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      5098 days (13.96 yr)  
   first obs. used      2004-04-25  
   last obs. used      2018-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59831  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:16:52  

Additional Information
 Earth MOID = 1.41278 au 
 Jupiter MOID = 1.94466 au 
 T_jup = 3.233 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO437268  

279117 (2009 KJ7)          Discovered 2009-May-26 by Lowe, A. at Mayhill
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-25 14:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin