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 ]  
442745 (2012 WG15)
Classification: Main-belt Asteroid          SPK-ID: 2442745
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .178022186005037 6.727e-08  
a 2.365071382213368 3.3729e-08 au
q 1.94403620469379 1.571e-07 au
i 2.941677459703835 1.5248e-05 deg
node 114.1951647970343 0.00014206 deg
peri 290.8398307423664 0.00015157 deg
M 37.86789586568261 5.5584e-05 deg
tp 2458860.755900364626
(2020-Jan-12.25590036)
0.00020316 TDB
period 1328.509934831783
3.64
2.8419e-05
7.781e-08
d
yr
n .2709802844233781 5.7968e-09 deg/d
Q 2.786106559732946 3.9733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      4060 days (11.12 yr)  
   first obs. used      2006-01-07  
   last obs. used      2017-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5886  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:25:41  

Additional Information
 Earth MOID = .955689 au 
 Jupiter MOID = 2.60353 au 
 T_jup = 3.525 
[ 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 18.3   n/a MPO495193  

442745 (2012 WG15)          Discovered 2006-Jan-07 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-03 19:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin