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 ]  
312983 (1999 RA236)
Classification: Main-belt Asteroid          SPK-ID: 2312983
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .267883399838403 6.7206e-08  
a 3.06502030347324 3.7163e-08 au
q 2.243952244005095 2.0497e-07 au
i 17.04810258268902 8.1968e-06 deg
node 140.2889205682724 2.3784e-05 deg
peri 239.6145473311379 2.7494e-05 deg
M 230.0597720460816 1.5546e-05 deg
tp 2459307.939954420691
(2021-Apr-03.43995442)		 9.3102e-05 TDB
period 1959.965651913179
5.37		 3.5647e-05
9.76e-08		 d
yr
n .1836766882361401 3.3406e-09 deg/d
Q 3.886088362941384 4.7119e-08 au
   Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      7203 days (19.72 yr)  
   first obs. used      1999-09-08  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61793  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:36  

Additional Information
 Earth MOID = 1.29457 au 
 Jupiter MOID = 1.80992 au 
 T_jup = 3.112 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO418617  

312983 (1999 RA236)          Discovered 1999-Sep-08 by CSS at Catalina
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-13 11:04 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin