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 ]  
134483 (1998 WK2)
Classification: Main-belt Asteroid          SPK-ID: 2134483
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1805718699254301 6.4503e-08  
a 2.536259589031417 9.2829e-09 au
q 2.078282452423711 1.6688e-07 au
i 2.175826460958031 5.8708e-06 deg
node 214.6896686514392 8.3748e-05 deg
peri 185.1054706343577 8.4758e-05 deg
M 181.0432823286931 1.2053e-05 deg
tp 2459933.889156943987
(2022-Dec-20.38915694)
5.1844e-05 TDB
period 1475.329341839884
4.04
8.0997e-06
2.218e-08
d
yr
n .2440133126824711 1.3397e-09 deg/d
Q 2.994236725639122 1.0959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1020  
   data-arc span      9265 days (25.37 yr)  
   first obs. used      1994-12-07  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54031  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:20:01  

Additional Information
 Earth MOID = 1.08521 au 
 Jupiter MOID = 2.41808 au 
 T_jup = 3.424 
[ 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 15.9   n/a MPO459635  
diameter diameter 1.735 km 0.291 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.50 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 [Result based on fragmentary lightcurve(s), may be completely wrong.]
geometric albedo albedo 0.338   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134483 (1998 WK2)          Discovered 1998-Nov-19 by Griffin, I. P. at Cocoa
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 1998 WK2 = 1994 XU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-10 13:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin