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 ]  
266390 (2007 EG139)
Classification: Main-belt Asteroid          SPK-ID: 2266390
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 .07755913523250541 8.2428e-08  
a 2.758216350157112 2.9502e-08 au
q 2.544291475254769 2.2523e-07 au
i 5.437318963812286 6.7817e-06 deg
node 38.74110773722827 6.8136e-05 deg
peri 318.2271989971945 7.7929e-05 deg
M 136.4740889418847 3.6081e-05 deg
tp 2458366.208892652526
(2018-Sep-04.70889265)
0.0001691 TDB
period 1673.173277180311
4.58
2.6844e-05
7.349e-08
d
yr
n .2151600225212085 3.452e-09 deg/d
Q 2.972141225059454 3.179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      8922 days (24.43 yr)  
   first obs. used      1995-08-31  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60483  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:46:58  

Additional Information
 Earth MOID = 1.54365 au 
 Jupiter MOID = 2.38433 au 
 T_jup = 3.332 
[ 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 16.5   n/a MPO266733  

266390 (2007 EG139)          Discovered 2007-Mar-12 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2007 EG139 = 1998 GQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-09 21:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin