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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
74368 (1998 WG41)
Classification: Main-belt Asteroid          SPK-ID: 2074368
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06568511681154629 8.1132e-08  
a 2.991501723386137 2.8446e-08 au
q 2.795004583243576 2.5472e-07 au
i 12.07933784999003 8.1098e-06 deg
node 64.93398402785944 5.1009e-05 deg
peri 359.2472639035466 0.00010902 deg
M 332.6652359498504 9.8441e-05 deg
tp 2458743.997766558753
(2019-Sep-17.49776656)
0.0005179 TDB
period 1889.871661828679
5.17
2.6956e-05
7.38e-08
d
yr
n .1904891254105882 2.717e-09 deg/d
Q 3.187998863528697 3.0314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      7651 days (20.95 yr)  
   first obs. used      1998-11-11  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67102  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:52:14  

Additional Information
 Earth MOID = 1.80808 au 
 Jupiter MOID = 2.11772 au 
 T_jup = 3.219 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO381764  
diameter diameter 3.552 km 0.320 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.185   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74368 (1998 WG41)          Discovered 1998-Nov-18 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WG41 = 1998 WV41 = 2000 CH17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-06 23:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin