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 ]  
442508 (2011 WA42)
Classification: Main-belt Asteroid          SPK-ID: 2442508
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1781398338803566 5.546e-08  
a 2.588919921855339 2.198e-08 au
q 2.127730157046483 1.501e-07 au
i 13.68830881031755 6.0999e-06 deg
node 200.1451512465879 1.546e-05 deg
peri 184.235542269341 1.95e-05 deg
M 134.917734915602 1.1215e-05 deg
tp 2458826.279411968689
(2019-Dec-08.77941197)
4.5136e-05 TDB
period 1521.515402105473
4.17
1.9377e-05
5.305e-08
d
yr
n .2366062147657736 3.0132e-09 deg/d
Q 3.050109686664195 2.5896e-08 au
  Orbit Determination Parameters
   # obs. used (total)      408  
   data-arc span      5830 days (15.96 yr)  
   first obs. used      2005-04-04  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50634  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 07:58:14  

Additional Information
 Earth MOID = 1.13073 au 
 Jupiter MOID = 2.4068 au 
 T_jup = 3.359 
[ 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 16.80   n/a MPCxxxxx  

442508 (2011 WA42)          Discovered 2011-Oct-27 by CSS at Catalina
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 WA42 = 2014 KK77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-04 15:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin