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
JPL Small-Body Database Browser
Search: [ help ]  
469310 (1999 RE212)
Classification: Main-belt Asteroid          SPK-ID: 2469310
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .334097314731675 4.587e-08  
a 2.621023952792223 9.4822e-09 au
q 1.745346888316941 1.2232e-07 au
i 17.33015802329474 5.0893e-06 deg
node 200.7967736316716 1.5682e-05 deg
peri 182.6642128934828 2.2225e-05 deg
M 308.9256954993872 9.9132e-06 deg
tp 2459220.389692664577
(2021-Jan-05.88969266)
4.311e-05 TDB
period 1549.904401699642
4.24
8.4107e-06
2.303e-08
d
yr
n .2322723902230487 1.2604e-09 deg/d
Q 3.496701017267505 1.265e-08 au
  Orbit Determination Parameters
   # obs. used (total)      333  
   data-arc span      7751 days (21.22 yr)  
   first obs. used      1999-08-11  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48166  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:21:14  

Additional Information
 Earth MOID = .748933 au 
 Jupiter MOID = 1.96065 au 
 T_jup = 3.262 
[ 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 16.8   n/a MPO472611  

469310 (1999 RE212)          Discovered 1999-Aug-11 by LINEAR at Socorro
Reference: Last Updated: 2016-08-22

[ 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 2020-Dec-01 16:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin