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 ]  
487794 (2015 RS239)
Classification: Main-belt Asteroid          SPK-ID: 2487794
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1402250453063979 4.4017e-08  
a 2.540194165026052 4.1123e-08 au
q 2.183995323148226 1.084e-07 au
i 15.60785069158178 5.211e-06 deg
node 161.5317974702762 2.9765e-05 deg
peri 164.3762791259448 4.2662e-05 deg
M 15.03302538090952 3.2915e-05 deg
tp 2458538.749185844246
(2019-Feb-24.24918584)
0.00013489 TDB
period 1478.763757314055
4.05
3.5909e-05
9.831e-08
d
yr
n .2434465939670337 5.9116e-09 deg/d
Q 2.896393006903877 4.6889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      6269 days (17.16 yr)  
   first obs. used      2001-02-20  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64987  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 07:09:23  

Additional Information
 Earth MOID = 1.17584 au 
 Jupiter MOID = 2.49612 au 
 T_jup = 3.381 
[ 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 16.8   n/a MPO450510  

487794 (2015 RS239)          Discovered 2013-Feb-08 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 RS239 = 2014 JD54 
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