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 ]  
212131 (2005 EP225)
Classification: Main-belt Asteroid          SPK-ID: 2212131
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09169511092796147 5.8065e-08  
a 2.406406517409074 1.3856e-08 au
q 2.185750804857479 1.4021e-07 au
i 9.70050601959959 5.9277e-06 deg
node .6204323927061884 2.72e-05 deg
peri 118.2397639450784 4.3212e-05 deg
M 55.85558584457294 3.0599e-05 deg
tp 2458788.948538446270
(2019-Nov-01.44853845)
0.0001159 TDB
period 1363.489882126845
3.73
1.1777e-05
3.224e-08
d
yr
n .2640283618668681 2.2805e-09 deg/d
Q 2.627062229960669 1.5127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      336  
   data-arc span      9536 days (26.11 yr)  
   first obs. used      1994-03-13  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56973  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:43:48  

Additional Information
 Earth MOID = 1.21921 au 
 Jupiter MOID = 2.43049 au 
 T_jup = 3.497 
[ 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 16.7   n/a MPO454522  

212131 (2005 EP225)          Discovered 2005-Mar-09 by CSS at Catalina
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-May-30 09:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin