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 ]  
469465 (2002 RT39)
Classification: Main-belt Asteroid          SPK-ID: 2469465
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .2357678087018867 3.6212e-07  
a 2.786098015936703 2.2901e-08 au
q 2.129225791890633 1.015e-06 au
i 8.804638629005151 1.7032e-05 deg
node 320.6232545318626 4.4418e-05 deg
peri 32.0656283240722 9.8914e-05 deg
M 196.5420977583347 6.4359e-05 deg
tp 2459371.752231552067
(2021-Jun-06.25223155)
0.00030801 TDB
period 1698.607406255891
4.65
2.0943e-05
5.734e-08
d
yr
n .2119383199873832 2.6131e-09 deg/d
Q 3.442970239982774 2.83e-08 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      5641 days (15.44 yr)  
   first obs. used      2002-08-13  
   last obs. used      2018-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60951  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:56:56  

Additional Information
 Earth MOID = 1.12807 au 
 Jupiter MOID = 2.01844 au 
 T_jup = 3.273 
[ 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 16.9   n/a MPO434687  

469465 (2002 RT39)          Discovered 2002-Sep-05 by LONEOS at Anderson Mesa
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin