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 ]  
46959 (1998 SW129)
Classification: Main-belt Asteroid          SPK-ID: 2046959
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1433122955667195 4.4702e-08  
a 2.677349348038857 1.5667e-08 au
q 2.293652266937348 1.1586e-07 au
i 13.11141009902766 6.0064e-06 deg
node 20.53255049638156 2.0499e-05 deg
peri 94.46457382223967 2.9501e-05 deg
M 170.6623867587163 2.2454e-05 deg
tp 2457841.937611529477
(2017-Mar-29.43761153)
9.6686e-05 TDB
period 1600.132665643979
4.38
1.4046e-05
3.846e-08
d
yr
n .2249813454405774 1.9748e-09 deg/d
Q 3.061046429140365 1.7913e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1214  
   data-arc span      8565 days (23.45 yr)  
   first obs. used      1996-03-22  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54209  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:12:28  

Additional Information
 Earth MOID = 1.35396 au 
 Jupiter MOID = 2.12828 au 
 T_jup = 3.326 
[ 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 13.9   n/a MPO359053  

46959 (1998 SW129)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SW129 = 1996 FK16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin