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 ]  
390744 (2003 SS139)
Classification: Main-belt Asteroid          SPK-ID: 2390744
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1287809291033872 9.2073e-08  
a 2.586810659542688 3.1097e-08 au
q 2.253678779392235 2.4971e-07 au
i 2.138417143408389 9.8597e-06 deg
node 261.254432522251 0.00022175 deg
peri 67.27400108458589 0.00022506 deg
M 298.0369973249568 3.8776e-05 deg
tp 2458862.062418334756
(2020-Jan-13.56241833)
0.00016622 TDB
period 1519.656351941733
4.16
2.7402e-05
7.502e-08
d
yr
n .2368956636413305 4.2717e-09 deg/d
Q 2.919942539693142 3.5102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      60  
   data-arc span      6689 days (18.31 yr)  
   first obs. used      1999-11-01  
   last obs. used      2018-02-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56102  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:47:36  

Additional Information
 Earth MOID = 1.24249 au 
 Jupiter MOID = 2.39316 au 
 T_jup = 3.409 
[ 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 17.2   n/a MPO437599  

390744 (2003 SS139)          Discovered 2003-Sep-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2003 SS139 = 2008 YZ89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-19 08:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin