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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 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 
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Orbital Elements at Epoch 2457037.5 (2015-Jan-15.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1140515620514465 4.8855e-08  
q 2.331975560402161 1.2988e-07 au
tp 2457750.250907741844
(2016-Dec-27.75090774)
9.8825e-05 TDB
node 155.620561475333 2.1089e-05 deg
peri 271.5617222125479 3.1477e-05 deg
i 14.75624911501349 5.2568e-06 deg
  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
 Jupiter MOID = 2.36905 au 
 T_jup = 3.344 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.386853579477602E-15 -6.293455287976586E-15 -1.180527174206956E-12 -1.866271220161068E-14 -3.082154578706896E-13 -7.689884827157201E-15
q -6.293455287976586E-15 1.686877663932339E-14 3.015436399039025E-12 5.029659905620217E-14 7.549905028260173E-13 2.209909440898089E-14
tp -1.180527174206956E-12 3.015436399039025E-12 9.766357698373316E-9 3.214860238597252E-11 2.333782325471709E-9 -2.036536462680477E-12
node -1.866271220161068E-14 5.029659905620217E-14 3.214860238597252E-11 4.447578382193336E-10 -4.215499908677867E-10 2.380519972529188E-11
peri -3.082154578706896E-13 7.549905028260173E-13 2.333782325471709E-9 -4.215499908677867E-10 9.907904009521816E-10 -2.34820305824929E-11
i -7.689884827157201E-15 2.209909440898089E-14 -2.036536462680477E-12 2.380519972529188E-11 -2.34820305824929E-11 2.763376521173785E-11

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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