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 ]  
46794 (1998 JW2)
Classification: Main-belt Asteroid          SPK-ID: 2046794
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1154668663808735 3.3459e-08  
a 2.307176450728443 7.4399e-09 au
q 2.040774015775084 7.781e-08 au
i 6.126439407012098 3.5499e-06 deg
node 121.2515546670657 3.6764e-05 deg
peri 132.6961835835088 4.144e-05 deg
M 334.2265558262643 1.7698e-05 deg
tp 2458692.140953614882
(2019-Jul-27.64095361)
6.2886e-05 TDB
period 1280.028508373607
3.50
6.1915e-06
1.695e-08
d
yr
n .2812437360925756 1.3604e-09 deg/d
Q 2.573578885681802 8.299e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1251  
   data-arc span      7790 days (21.33 yr)  
   first obs. used      1998-04-23  
   last obs. used      2019-08-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51986  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:12:07  

Additional Information
 Earth MOID = 1.03127 au 
 Jupiter MOID = 2.47348 au 
 T_jup = 3.571 
[ 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 15.0   n/a MPO432025  

46794 (1998 JW2)          Discovered 1998-May-01 by LONEOS at Anderson Mesa
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin