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 ]  
212059 (2005 ER31)
Classification: Main-belt Asteroid          SPK-ID: 2212059
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06083090830108154 3.6752e-08  
a 2.597942833235475 1.8543e-08 au
q 2.439907610975476 9.5074e-08 au
i 11.87961410164874 5.2983e-06 deg
node 155.0507492867072 2.5346e-05 deg
peri 145.9004622277722 7.4032e-05 deg
M 99.60758198825422 6.5817e-05 deg
tp 2458577.312618825831
(2019-Apr-03.81261883)
0.00028068 TDB
period 1529.476513551608
4.19
1.6375e-05
4.483e-08
d
yr
n .2353746506143083 2.52e-09 deg/d
Q 2.755978055495474 1.9671e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      7815 days (21.40 yr)  
   first obs. used      1998-08-31  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58262  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:41:35  

Additional Information
 Earth MOID = 1.4339 au 
 Jupiter MOID = 2.43595 au 
 T_jup = 3.383 
[ 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 16.1   n/a MPO433386  

212059 (2005 ER31)          Discovered 2005-Mar-03 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ 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-Aug-07 21:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin