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 ]  
185487 (2007 ED139)
Classification: Jupiter Trojan          SPK-ID: 2185487
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06033278932418003 5.7969e-08  
a 5.224789351829958 1.3822e-07 au
q 4.909563236602782 3.7386e-07 au
i 5.321332643108294 7.4448e-06 deg
node 49.82825486939075 6.8194e-05 deg
peri 239.4567437450413 9.8161e-05 deg
M 288.2015581338304 7.4183e-05 deg
tp 2459870.489726344356
(2022-Oct-17.98972634)
0.00090782 TDB
period 4362.160143638745
11.94
0.0001731
4.739e-07
d
yr
n .08252791922941692 3.2749e-09 deg/d
Q 5.540015467057135 1.4656e-07 au
  Orbit Determination Parameters
   # obs. used (total)      277  
   data-arc span      9955 days (27.26 yr)  
   first obs. used      1993-01-23  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49043  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 04:49:21  

Additional Information
 Earth MOID = 3.89726 au 
 Jupiter MOID = .27307 au 
 T_jup = 2.988 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2   n/a MPO433217  

185487 (2007 ED139)          Discovered 2007-Mar-12 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 2007 ED139 = 2001 TO226 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-12 14:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin