Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
181711 (1993 SC9)
Classification: Main-belt Asteroid          SPK-ID: 2181711
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2023957066098425 1.4937e-07  
a 2.588889362554841 4.7373e-08 AU
q 2.064909270685849 3.8851e-07 AU
i 1.540270493102571 1.1448e-05 deg
node 193.9236711093218 0.0004877 deg
peri 200.4073392275542 0.00049004 deg
M 13.38038706828462 3.002e-05 deg
tp 2456943.949709588139
(2014-Oct-13.44970959)
0.00012688 JED
period 1521.488462506773
4.17
4.1762e-05
1.143e-07
d
yr
n .2366104041346929 6.4945e-09 deg/d
Q 3.112869454423833 5.6961e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      7661 days (20.97 yr)  
   first obs. used      1993-09-18  
   last obs. used      2014-09-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58585  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 18:51:04  

Additional Information
 Earth MOID = 1.07122 AU 
 T_jup = 3.391 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4 mag n/a MPO229830  

181711 (1993 SC9)          Discovered 1993-Sep-22 by Debehogne, H., Elst, E. W. at La Silla (809)
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 1993 SC9 = 2000 JL4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Oct-26 01:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin