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277788 (2006 EK2)
Classification: Main-belt Asteroid          SPK-ID: 2277788
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet is not working, here are some notes that might help.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02012875600361212 5.3065e-08  
a 2.885008183160326 3.5465e-08 au
q 2.826936557373068 1.5671e-07 au
i 3.11516272884293 5.8354e-06 deg
node 74.16450603332798 0.00011778 deg
peri 176.7585462797044 0.00021148 deg
M 254.0638299279727 0.00017866 deg
tp 2459527.196906865824
(2021-Nov-08.69690687)
0.00089123 TDB
period 1789.8597461356
4.90
3.3004e-05
9.036e-08
d
yr
n .2011330780399183 3.7088e-09 deg/d
Q 2.943079808947585 3.6179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      5539 days (15.16 yr)  
   first obs. used      2004-12-03  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6096  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:14:56  

Additional Information
 Earth MOID = 1.81231 au 
 Jupiter MOID = 2.0363 au 
 T_jup = 3.290 
[ 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 16.5   n/a MPO418477  

277788 (2006 EK2)          Discovered 2006-Mar-03 by Nyukasa at Nyukasa
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2088-May-15 21:02 00:02 Inter 0.0328105489806199 0.0328041956788127 0.0328169932951286 6.67114302674513 6.67114295986379 2483822.376320278 2.18960630744209 2892.40112633628 101.892235425335 83.9980626983371 47892.1745790694 T 13 CATAB v2.0f-lin.ifort 2020-Feb-25 14:14:57 2020-Feb-25 14:14
2193-Jun-22 20:24 00:49 Iris 0.0145852977546596 0.0144788679589026 0.0146918697759003 3.97787459667774 3.97787449759302 2522210.350296066 48.6945863598762 5773.42865824111 150.704155485221 23.1719247727445 5703.8806747187 T 13 CATAB v2.0f-lin.ifort 2020-Feb-25 14:14:57 2020-Feb-25 14:14

Alternate Designations
 2006 EK2 = 2008 UC190 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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