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 ]  
266399 (2007 EA187)
Classification: Main-belt Asteroid          SPK-ID: 2266399
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06519553161677752 7.2513e-08  
a 2.721560819605166 2.6575e-08 au
q 2.544127215143615 2.0018e-07 au
i 6.852586579257848 5.2525e-06 deg
node 129.3150666888292 5.3112e-05 deg
peri 263.0393427564225 7.3589e-05 deg
M 112.4786635927151 4.6519e-05 deg
tp 2458488.118854962444
(2019-Jan-04.61885496)
0.00021264 TDB
period 1639.930688378723
4.49
2.402e-05
6.576e-08
d
yr
n .2195214727982834 3.2153e-09 deg/d
Q 2.898994424066718 2.8308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      6594 days (18.05 yr)  
   first obs. used      2002-01-13  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55426  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:46:58  

Additional Information
 Earth MOID = 1.5606 au 
 Jupiter MOID = 2.38608 au 
 T_jup = 3.345 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457290.5 (2015-Sep-25.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06315211623512845 7.2248e-08  
q 2.550960514594615 1.9883e-07 au
tp 2456845.136708081181
(2014-Jul-06.63670808)
0.00022611 TDB
node 129.3906024754245 5.3017e-05 deg
peri 262.5456802580027 7.4932e-05 deg
i 6.856456418653149 5.2568e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      6594 days (18.05 yr)  
   first obs. used      2002-01-13  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55426  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:46:58  

Additional Information
 Jupiter MOID = 2.38608 au 
 T_jup = 3.345 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.219785893314095E-15 -1.425268919853916E-14 -3.596769629458032E-12 -3.164610033902309E-15 -1.081871708892918E-12 -8.003372969892285E-15
q -1.425268919853916E-14 3.953268872482366E-14 8.54848146229791E-12 8.867230930869318E-15 2.700940620253477E-12 2.303136373503534E-14
tp -3.596769629458032E-12 8.54848146229791E-12 5.112788445798428E-8 -1.046440830722213E-10 1.199533744548057E-8 -6.477547131516158E-12
node -3.164610033902309E-15 8.867230930869318E-15 -1.046440830722213E-10 2.810850472177601E-9 -2.814287294011863E-9 -3.04247994637046E-11
peri -1.081871708892918E-12 2.700940620253477E-12 1.199533744548057E-8 -2.814287294011863E-9 5.614763226739071E-9 2.919908667781926E-11
i -8.003372969892285E-15 2.303136373503534E-14 -6.477547131516158E-12 -3.04247994637046E-11 2.919908667781926E-11 2.763443918649569E-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 16.3   n/a MPO454980  

266399 (2007 EA187)          Discovered 2007-Mar-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2007 EA187 = 2002 AF145 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-12 22:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin