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 ]  
58339 (1994 WB12)
Classification: Main-belt Asteroid          SPK-ID: 2058339
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07041389164831137 3.7517e-08  
a 2.305577584153033 9.1517e-09 au
q 2.143232893955706 8.6699e-08 au
i 5.062240662024792 3.609e-06 deg
node 63.36555084952954 4.8372e-05 deg
peri 85.78936416343802 5.53e-05 deg
M 91.23406429517846 2.6045e-05 deg
tp 2458876.442139790586
(2020-Jan-27.94213979)
9.2519e-05 TDB
period 1278.698154868392
3.50
7.6135e-06
2.084e-08
d
yr
n .2815363411837038 1.6763e-09 deg/d
Q 2.46792227435036 9.7961e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1004  
   data-arc span      10308 days (28.22 yr)  
   first obs. used      1992-03-01  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50023  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:29:42  

Additional Information
 Earth MOID = 1.16117 au 
 Jupiter MOID = 2.52358 au 
 T_jup = 3.580 
[ 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 15.83   n/a E2021B10  
diameter diameter 2.074 km 0.282 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.284   0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58339 (1994 WB12)          Discovered 1994-Nov-27 by Elst, E. W. at Caussols
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 WB12 = 1992 ET22 = 1999 CK56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-19 20:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin