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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
277487 (2005 WM73)
Classification: Main-belt Asteroid          SPK-ID: 2277487
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1878941902450627 6.8219e-08  
a 3.167166663238274 3.9546e-08 au
q 2.572074447677962 2.1545e-07 au
i 19.02132671604717 7.6214e-06 deg
node 73.93880334455289 2.2175e-05 deg
peri 359.0532852963 3.0847e-05 deg
M 142.9459122705964 2.236e-05 deg
tp 2457783.025822493735
(2017-Jan-29.52582249)
0.00011995 TDB
period 2058.755645598059
5.64
3.8559e-05
1.056e-07
d
yr
n .1748629084611067 3.2751e-09 deg/d
Q 3.762258878798588 4.6976e-08 au
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      7137 days (19.54 yr)  
   first obs. used      1999-11-12  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55242  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:47:00  

Additional Information
 Earth MOID = 1.58682 au 
 Jupiter MOID = 1.55047 au 
 T_jup = 3.092 
[ 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 15.4   n/a MPO402018  

277487 (2005 WM73)          Discovered 2005-Nov-25 by Spacewatch at Kitt Peak
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 2019-Dec-11 01:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin