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 ]  
233665 (2008 RO9)
Classification: Main-belt Asteroid          SPK-ID: 2233665
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09527485477535143 6.9094e-08  
a 2.469201325664012 2.2864e-08 au
q 2.233948527950268 1.7391e-07 au
i 4.796270019063393 6.5298e-06 deg
node 221.2932118789965 6.701e-05 deg
peri 315.4172955317899 7.2193e-05 deg
M 97.12304293876039 2.904e-05 deg
tp 2458218.157162385156
(2018-Apr-09.65716239)
0.00011324 TDB
period 1417.20664197201
3.88
1.9685e-05
5.389e-08
d
yr
n .2540208247253685 3.5283e-09 deg/d
Q 2.704454123377756 2.5043e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      6941 days (19.00 yr)  
   first obs. used      1999-05-16  
   last obs. used      2018-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58756  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:09:13  

Additional Information
 Earth MOID = 1.24079 au 
 Jupiter MOID = 2.27166 au 
 T_jup = 3.474 
[ 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 16.8   n/a MPO437098  

233665 (2008 RO9)          Discovered 2008-Sep-03 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2008 RO9 = 1999 KC18 = 2005 YL206 
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-13 10:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin