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 ]  
266785 (2009 SC251)
Classification: Main-belt Asteroid          SPK-ID: 2266785
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1931818681520409 5.4667e-08  
a 3.132973028366865 5.6395e-08 au
q 2.527739445876997 1.7292e-07 au
i 1.724901730512649 7.7323e-06 deg
node 271.4461217346953 0.00030762 deg
peri 143.2531166894168 0.00030904 deg
M 236.0451650272504 2.689e-05 deg
tp 2459297.919974580528
(2021-Mar-24.41997458)
0.00015756 TDB
period 2025.505426264219
5.55
5.469e-05
1.497e-07
d
yr
n .1777334167225476 4.7989e-09 deg/d
Q 3.738206610856733 6.729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      4985 days (13.65 yr)  
   first obs. used      2003-08-04  
   last obs. used      2017-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52052  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 17:14:43  

Additional Information
 Earth MOID = 1.53917 au 
 Jupiter MOID = 1.63074 au 
 T_jup = 3.183 
[ 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 16.4   n/a MPO230054  

266785 (2009 SC251)          Discovered 2009-Sep-20 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-11 14:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin