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 ]  
305917 (2009 FK61)
Classification: Main-belt Asteroid          SPK-ID: 2305917
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01561103133558897 4.5793e-07  
a 2.923614819721319 4.6805e-08 au
q 2.877974177157457 1.3232e-06 au
i 1.564087633679672 4.9789e-05 deg
node 3.628386052274369 0.0002766 deg
peri 170.0984607459983 0.00053135 deg
M 97.88362737893648 0.00045283 deg
tp 2458504.037770617010
(2019-Jan-20.53777062)
0.0022938 TDB
period 1825.907022080145
5.00
4.3848e-05
1.2e-07
d
yr
n .1971622846325843 4.7347e-09 deg/d
Q 2.969255462285181 4.7536e-08 au
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      5496 days (15.05 yr)  
   first obs. used      2004-03-19  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66001  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:14:09  

Additional Information
 Earth MOID = 1.88037 au 
 Jupiter MOID = 1.98997 au 
 T_jup = 3.278 
[ 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 17.1   n/a MPO471211  

305917 (2009 FK61)          Discovered 2009-Mar-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 FK61 = 2004 FX98 = 2006 RC71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-10 00:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin