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 ]  
447061 (2004 RY261)
Classification: Main-belt Asteroid          SPK-ID: 2447061
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1781637567583598 9.894e-08  
a 2.355435013183967 2.6821e-08 au
q 1.935781862434935 2.3018e-07 au
i 1.553932196763592 1.2654e-05 deg
node 352.5271201606599 0.00036196 deg
peri 61.18379094957836 0.00036389 deg
M 330.0032810180146 3.5197e-05 deg
tp 2458710.521198193984
(2019-Aug-15.02119819)
0.00012971 TDB
period 1320.398786734661
3.62
2.2553e-05
6.175e-08
d
yr
n .2726449036584455 4.6568e-09 deg/d
Q 2.775088163932999 3.1599e-08 au
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      4581 days (12.54 yr)  
   first obs. used      2004-09-10  
   last obs. used      2017-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62891  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 11:43:16  

Additional Information
 Earth MOID = .947168 au 
 Jupiter MOID = 2.57986 au 
 T_jup = 3.533 
[ 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 18.3   n/a E2015T96  

447061 (2004 RY261)          Discovered 2004-Sep-10 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28
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