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 ]  
266515 (2008 ED120)
Classification: Main-belt Asteroid          SPK-ID: 2266515
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 .1718847042741727 4.7717e-08  
a 2.285168029483763 1.5514e-08 au
q 1.892382598519152 1.078e-07 au
i 2.313812262158846 5.6629e-06 deg
node 54.37785191748403 0.00015875 deg
peri 186.8843647713217 0.00016009 deg
M 34.95366754482601 2.0419e-05 deg
tp 2458477.991594745649
(2018-Dec-25.49159475)
7.1279e-05 TDB
period 1261.756747986657
3.45
1.2849e-05
3.518e-08
d
yr
n .2853164847934754 2.9055e-09 deg/d
Q 2.677953460448373 1.8181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      7234 days (19.81 yr)  
   first obs. used      1999-12-05  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60504  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:04:48  

Additional Information
 Earth MOID = .879657 au 
 Jupiter MOID = 2.33324 au 
 T_jup = 3.582 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457141.5 (2015-Apr-29.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1712343312498198 4.7748e-08  
q 1.89374731984039 1.0774e-07 au
tp 2457216.202554977768
(2015-Jul-12.70255498)
7.0027e-05 TDB
node 54.38498605289852 0.00015871 deg
peri 186.8894127626942 0.00016006 deg
i 2.314322885988746 5.6638e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      7234 days (19.81 yr)  
   first obs. used      1999-12-05  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60504  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:04:48  

Additional Information
 Jupiter MOID = 2.33324 au 
 T_jup = 3.582 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.279884021096265E-15 -5.108767446962512E-15 -1.201889961493964E-12 -5.729684540058777E-14 -2.946893952879355E-13 3.561715317528112E-16
q -5.108767446962512E-15 1.16073874491565E-14 2.780002142976871E-12 1.299404728979613E-13 6.822916550083954E-13 -7.393824055535301E-16
tp -1.201889961493964E-12 2.780002142976871E-12 4.903811234897876E-9 7.872068985062515E-11 1.494880098619633E-9 -1.254579344033555E-12
node -5.729684540058777E-14 1.299404728979613E-13 7.872068985062515E-11 2.518952358871184E-8 -2.514396217998054E-8 -3.476565775037786E-10
peri -2.946893952879355E-13 6.822916550083954E-13 1.494880098619633E-9 -2.514396217998054E-8 2.562004561508002E-8 3.469968265634312E-10
i 3.561715317528112E-16 -7.393824055535301E-16 -1.254579344033555E-12 -3.476565775037786E-10 3.469968265634312E-10 3.207840895398454E-11

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 MPO437227  

266515 (2008 ED120)          Discovered 2008-Mar-09 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2008 ED120 = 2002 TR326 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-27 12:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin