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 ]  
447297 (2005 WM78)
Classification: Main-belt Asteroid          SPK-ID: 2447297
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07161161021491938 5.6345e-08  
a 3.080720255428336 5.1648e-08 au
q 2.860104917315395 2.0289e-07 au
i 13.36976057856508 7.1717e-06 deg
node 68.65672879632048 2.3771e-05 deg
peri 246.2208928275155 7.5118e-05 deg
M 2.808951296429038 6.5549e-05 deg
tp 2458985.089436075426
(2020-May-15.58943608)		 0.00035981 TDB
period 1975.044216643899
5.41		 4.9668e-05
1.36e-07		 d
yr
n .1822744002216474 4.5838e-09 deg/d
Q 3.301335593541277 5.5347e-08 au
   Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      5362 days (14.68 yr)  
   first obs. used      2005-11-25  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49501  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:52:35  

Additional Information
 Earth MOID = 1.87654 au 
 Jupiter MOID = 1.90022 au 
 T_jup = 3.182 
[ 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 15.8   n/a MPO437739  

447297 (2005 WM78)          Discovered 2005-Nov-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28

[ 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-Nov-25 17:21 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin