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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer 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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .113206336605056 5.1922e-08  
a 2.631846872146498 2.0466e-08 au
q 2.333905129245318 1.3537e-07 au
i 14.76205229348271 5.2938e-06 deg
node 155.4403119057886 2.2084e-05 deg
peri 272.8142440850067 3.2578e-05 deg
M 287.1991186212801 2.3318e-05 deg
tp 2459315.872259198660
(2021-Apr-11.37225920)
0.00010134 TDB
period 1559.5142690773
4.27
1.8191e-05
4.98e-08
d
yr
n .2308411068357823 2.6926e-09 deg/d
Q 2.929788615047678 2.2783e-08 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      7728 days (21.16 yr)  
   first obs. used      1997-04-14  
   last obs. used      2018-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57497  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:37:49  

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

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