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 ]  
487778 (2015 RB222)
Classification: Main-belt Asteroid          SPK-ID: 2487778
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0596671777230703 1.2413e-07  
a 2.694086864815408 4.7161e-08 au
q 2.533338305051078 3.6372e-07 au
i 5.351102391161892 1.0354e-05 deg
node 17.24224525324483 7.7954e-05 deg
peri 352.0903138116565 0.00013758 deg
M 294.427161906574 0.00010697 deg
tp 2458894.696362559626
(2020-Feb-15.19636256)
0.00048275 TDB
period 1615.160996548105
4.42
4.2411e-05
1.161e-07
d
yr
n .2228879974004981 5.8526e-09 deg/d
Q 2.854835424579738 4.9975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      4777 days (13.08 yr)  
   first obs. used      2006-08-27  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57748  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:48:11  

Additional Information
 Earth MOID = 1.53174 au 
 Jupiter MOID = 2.42293 au 
 T_jup = 3.362 
[ 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 17.6   n/a MPO409262  

487778 (2015 RB222)          Discovered 2006-Aug-27 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14
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