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234145 (2000 EW70)
Classification: Aten [NEO, PHA]          SPK-ID: 2234145
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbit Diagram
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 2-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 has stopped working because of a recent Java upgrade, here is a possible workaround.
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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 56 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3215617034266962 6.8513e-08  
a .9381636982200814 3.7863e-09 AU
q .636486181327343 6.6033e-08 AU
i 5.430829244623523 7.9753e-06 deg
node 178.2179036143018 6.9817e-06 deg
peri 125.5534926617658 6.95e-06 deg
M 347.0051726434513 1.7167e-05 deg
tp 2457012.480760218217
1.5898e-05 JED
period 331.9069626873078
n 1.084641301541959 6.5663e-09 deg/d
Q 1.23984121511282 5.0039e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      317  
   # delay obs. used      4  
   # Doppler obs. used      6  
   data-arc span      3656 days (10.01 yr)  
   first obs. used      2000-03-09  
   last obs. used      2010-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5042  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-12 01:54:11  

Additional Information
 Earth MOID = .0104123 AU 
 T_jup = 6.347 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 21.3 mag n/a MPO172496  
rotation period rot_per 33. h n/a LCDB (Rev. 2015-Feb); Warner et al., 2009 upper-limit; Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Benner, L.A.M. (2011) iods.html]

234145 (2000 EW70)          Discovered 2000-Mar-09 by LINEAR at Socorro
Reference: 20100330/Numbers.arcLast Updated: 2010-04-05

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2015-Mar-28 03:58 UT
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