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 ]  
46970 (1998 SW137)
Classification: Main-belt Asteroid          SPK-ID: 2046970
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 .03681377962701472 3.9157e-08  
a 2.697194926936214 1.6961e-08 au
q 2.597900987284882 1.0918e-07 au
i 5.949307765801523 5.8507e-06 deg
node 181.5271871257772 4.1771e-05 deg
peri 62.69554012613455 9.1197e-05 deg
M 6.843014387947824 8.0873e-05 deg
tp 2458569.745272703454
(2019-Mar-27.24527270)
0.00036343 TDB
period 1617.956824152904
4.43
1.5261e-05
4.178e-08
d
yr
n .2225028471872117 2.0988e-09 deg/d
Q 2.796488866587546 1.7585e-08 au
  Orbit Determination Parameters
   # obs. used (total)      738  
   data-arc span      7169 days (19.63 yr)  
   first obs. used      1998-09-23  
   last obs. used      2018-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5947  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:40:06  

Additional Information
 Earth MOID = 1.59176 au 
 Jupiter MOID = 2.18902 au 
 T_jup = 3.360 
[ 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 15.0   n/a MPO436110  

46970 (1998 SW137)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SW137 = 2000 AA118 
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