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266398 (2007 EC183)
Classification: Main-belt Asteroid          SPK-ID: 2266398
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09925528819357671 5.2762e-08  
a 2.598134040469411 2.8277e-08 au
q 2.340255497517078 1.3555e-07 au
i 3.888509789403328 6.3708e-06 deg
node 136.2377936683449 8.5379e-05 deg
peri 307.1722388805554 9.4123e-05 deg
M 127.6887136442575 4.4541e-05 deg
tp 2458457.948751154115
(2018-Dec-05.44875115)
0.00018372 TDB
period 1529.645369665783
4.19
2.4972e-05
6.837e-08
d
yr
n .2353486678279277 3.8422e-09 deg/d
Q 2.856012583421744 3.1084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      223  
   data-arc span      6708 days (18.37 yr)  
   first obs. used      2001-12-14  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56542  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:23:47  

Additional Information
 Earth MOID = 1.35882 au 
 Jupiter MOID = 2.31951 au 
 T_jup = 3.406 
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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 17.1   n/a MPO334524  
rotation period rot_per 6.58 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

266398 (2007 EC183)          Discovered 2007-Mar-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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