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 ]  
487771 (2015 RG208)
Classification: Main-belt Asteroid          SPK-ID: 2487771
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1837498098001449 4.3961e-08  
a 2.374523433583688 2.023e-08 au
q 1.938205204296699 1.0088e-07 au
i 10.23418890930123 6.6043e-06 deg
node 178.5976182763301 2.5766e-05 deg
peri 259.3867424392184 3.2468e-05 deg
M 54.07065943913349 1.7252e-05 deg
tp 2458799.765379104991
(2019-Nov-12.26537911)
6.4155e-05 TDB
period 1336.482008390337
3.66
1.7079e-05
4.676e-08
d
yr
n .2693638954658171 3.4423e-09 deg/d
Q 2.810841662870678 2.3947e-08 au
  Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      9632 days (26.37 yr)  
   first obs. used      1993-09-18  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55689  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 15:28:59  

Additional Information
 Earth MOID = .983298 au 
 Jupiter MOID = 2.52256 au 
 T_jup = 3.498 
[ 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 17.2   n/a MPO419312  

487771 (2015 RG208)          Discovered 2011-Jul-22 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 RG208 = 2011 OY1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-03 00:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin