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 ]  
181711 (1993 SC9)
Classification: Main-belt Asteroid          SPK-ID: 2181711
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .205168950456237 7.086e-08  
a 2.587277215964717 1.7974e-08 au
q 2.056448265025901 1.8842e-07 au
i 1.546840417711429 6.6254e-06 deg
node 193.8448172593909 0.00015761 deg
peri 200.7184378746884 0.0001583 deg
M 173.620368939656 1.2702e-05 deg
tp 2458467.403667347357
(2018-Dec-14.90366735)
5.0377e-05 TDB
period 1520.067497648726
4.16
1.584e-05
4.337e-08
d
yr
n .2368315884372608 2.4679e-09 deg/d
Q 3.118106166903532 2.1661e-08 au
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      9709 days (26.58 yr)  
   first obs. used      1993-09-18  
   last obs. used      2020-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55645  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:43  

Additional Information
 Earth MOID = 1.062 au 
 Jupiter MOID = 2.31505 au 
 T_jup = 3.391 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.61   n/a E2021B55  

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

Alternate Designations
 1993 SC9 = 2000 JL4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-24 04:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin