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 ]  
347507 (1999 KN2)
Classification: Main-belt Asteroid          SPK-ID: 2347507
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 .2242511898121757 1.1928e-07  
a 2.407827238812976 2.2813e-08 au
q 1.867869115647001 2.7769e-07 au
i 7.319367907653859 1.1715e-05 deg
node 223.6530668481991 5.0238e-05 deg
peri 327.5691065815284 5.7463e-05 deg
M 255.5489575526265 3.5702e-05 deg
tp 2459396.455782308249
(2021-Jun-30.95578231)
0.00013969 TDB
period 1364.697549120094
3.74
1.9395e-05
5.31e-08
d
yr
n .2637947142442768 3.749e-09 deg/d
Q 2.947785361978952 2.7929e-08 au
  Orbit Determination Parameters
   # obs. used (total)      75  
   data-arc span      7466 days (20.44 yr)  
   first obs. used      1999-05-16  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64817  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 10:33:55  

Additional Information
 Earth MOID = .871856 au 
 Jupiter MOID = 2.03431 au 
 T_jup = 3.476 
[ 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 17.6   n/a MPO494814  

347507 (1999 KN2)          Discovered 1999-May-16 by Spacewatch at Kitt Peak
Reference: 20121228/Numbers.arcLast Updated: 2013-01-02

[ 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-Jul-08 05:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin