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 ]  
266724 (2009 RN18)
Classification: Main-belt Asteroid          SPK-ID: 2266724
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08789082685743203 6.6398e-08  
a 2.345835728528287 2.1106e-08 au
q 2.13965828667623 1.5867e-07 au
i 3.128985928991794 5.1441e-06 deg
node 126.2704496024572 0.0001287 deg
peri 88.5484272308783 0.00013243 deg
M 38.10289811335509 3.1008e-05 deg
tp 2458461.600612575925
(2018-Dec-09.10061258)
0.00011264 TDB
period 1312.335332706378
3.59
1.7711e-05
4.849e-08
d
yr
n .2743201307074359 3.7023e-09 deg/d
Q 2.552013170380345 2.2962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      5077 days (13.90 yr)  
   first obs. used      2004-02-29  
   last obs. used      2018-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69472  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 08:45:10  

Additional Information
 Earth MOID = 1.13573 au 
 Jupiter MOID = 2.41477 au 
 T_jup = 3.554 
[ 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 17.4   n/a MPO437228  

266724 (2009 RN18)          Discovered 2009-Sep-12 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-10 03:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin