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 ]  
442506 (2011 WJ22)
Classification: Main-belt Asteroid          SPK-ID: 2442506
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1068456609366031 7.042e-08  
a 2.98377655757477 6.0598e-08 au
q 2.664972979193551 2.105e-07 au
i 1.705475166810067 7.6111e-06 deg
node 58.50667069776298 0.00032899 deg
peri 356.1890334149139 0.00033219 deg
M 245.0332636461746 4.6539e-05 deg
tp 2459601.698066658109
(2022-Jan-22.19806666)
0.0002494 TDB
period 1882.55586668846
5.15
5.7349e-05
1.57e-07
d
yr
n .1912293846733291 5.8255e-09 deg/d
Q 3.302580135955988 6.7072e-08 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      4134 days (11.32 yr)  
   first obs. used      2006-11-20  
   last obs. used      2018-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .75402  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:05:22  

Additional Information
 Earth MOID = 1.67643 au 
 Jupiter MOID = 2.01704 au 
 T_jup = 3.249 
[ 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 17.1   n/a MPO437721  

442506 (2011 WJ22)          Discovered 2006-Nov-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 WJ22 = 2008 FP92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-10 17:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin