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207180 (2005 EU)
Classification: Main-belt Asteroid          SPK-ID: 2207180
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 .1132063933649708 4.8461e-08  
a 2.631846888254706 1.8912e-08 au
q 2.333904994146569 1.2865e-07 au
i 14.76204996947214 5.2551e-06 deg
node 155.4403072910735 2.1081e-05 deg
peri 272.8142417700395 3.172e-05 deg
M 287.1991192609785 2.3075e-05 deg
tp 2459315.872259322849
(2021-Apr-11.37225932)
0.00010018 TDB
period 1559.514283394802
4.27
1.6809e-05
4.602e-08
d
yr
n .2308411047164892 2.4881e-09 deg/d
Q 2.929788782362842 2.1052e-08 au
  Orbit Determination Parameters
   # obs. used (total)      387  
   data-arc span      8508 days (23.29 yr)  
   first obs. used      1997-04-14  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5493  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 14:48:01  

Additional Information
 Earth MOID = 1.40316 au 
 Jupiter MOID = 2.36905 au 
 T_jup = 3.344 
[ 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 15.9   n/a MPO437000  
rotation period rot_per 1.45 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

207180 (2005 EU)          Discovered 2005-Mar-02 by Lowe, A. at Mayhill
Reference: 20090209/Numbers.arcLast Updated: 2009-02-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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