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 ]  
312046 (2007 RO239)
Classification: Main-belt Asteroid          SPK-ID: 2312046
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1643904804801481 4.8854e-08  
a 2.246780364494837 1.8875e-08 au
q 1.877431060842168 1.1513e-07 au
i 7.341047327504215 4.3325e-06 deg
node 99.66133616392693 4.034e-05 deg
peri 245.9299465588905 4.2956e-05 deg
M 287.5722544204464 1.4369e-05 deg
tp 2459247.980977701402
(2021-Feb-02.48097770)
4.986e-05 TDB
period 1230.096991968996
3.37
1.5501e-05
4.244e-08
d
yr
n .2926598490609704 3.688e-09 deg/d
Q 2.616129668147506 2.1978e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      6235 days (17.07 yr)  
   first obs. used      2002-01-13  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65565  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:44:15  

Additional Information
 Earth MOID = .88364 au 
 Jupiter MOID = 2.79168 au 
 T_jup = 3.602 
[ 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 16.9   n/a MPO427649  

312046 (2007 RO239)          Discovered 2007-Sep-14 by CSS at Catalina
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2007 RO239 = 2002 AZ195 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-13 20:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin