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 ]  
46795 (1998 JW4)
Classification: Main-belt Asteroid          SPK-ID: 2046795
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2228252452647712 3.9451e-08  
a 2.328590643056505 9.1953e-09 au
q 1.809721861896188 9.2975e-08 au
i 5.38504157899377 5.9471e-06 deg
node 17.37601378255149 4.2786e-05 deg
peri 226.9564941242981 4.4655e-05 deg
M 65.02014148859644 1.4997e-05 deg
tp 2458766.085993161140
(2019-Oct-09.58599316)
5.3252e-05 TDB
period 1297.890784762292
3.55
7.6878e-06
2.105e-08
d
yr
n .2773731073727699 1.643e-09 deg/d
Q 2.847459424216822 1.1244e-08 au
  Orbit Determination Parameters
   # obs. used (total)      799  
   data-arc span      8647 days (23.67 yr)  
   first obs. used      1995-08-25  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62163  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:39:19  

Additional Information
 Earth MOID = .802138 au 
 Jupiter MOID = 2.19263 au 
 T_jup = 3.533 
[ 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 15.9   n/a MPO432025  

46795 (1998 JW4)          Discovered 1998-May-01 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 JW4 = 1999 TX246 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-12 13:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin