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 ]  
447899 (2007 WF61)
Classification: Main-belt Asteroid          SPK-ID: 2447899
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1341379527703512 6.1754e-08  
a 2.620233505465106 5.4621e-08 au
q 2.268760747261736 1.6022e-07 au
i 13.74974455954992 6.6954e-06 deg
node 70.03317632518623 4.4388e-05 deg
peri 349.6492495421709 8.0703e-05 deg
M 342.5915128315734 7.5231e-05 deg
tp 2459075.414683914312
(2020-Aug-13.91468391)
0.00032563 TDB
period 1549.203325264592
4.24
4.8442e-05
1.326e-07
d
yr
n .2323775027648581 7.2662e-09 deg/d
Q 2.971706263668476 6.1948e-08 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      4244 days (11.62 yr)  
   first obs. used      2007-11-20  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59735  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:49:38  

Additional Information
 Earth MOID = 1.28308 au 
 Jupiter MOID = 2.35758 au 
 T_jup = 3.352 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO437741  

447899 (2007 WF61)          Discovered 2007-Nov-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-09 02:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin