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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457424.5 (2016-Feb-06.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09955671368828538 5.2918e-08  
q 2.339944331573338 1.3598e-07 au
tp 2456930.291558387849
(2014-Sep-29.79155839)
0.00016901 TDB
node 136.2486029848289 8.5376e-05 deg
peri 307.7330161378536 9.4037e-05 deg
i 3.888403831302504 6.3708e-06 deg
  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
 Jupiter MOID = 2.31951 au 
 T_jup = 3.406 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.800336547278449E-15 -7.072850414728355E-15 1.982499812764483E-12 -1.356839534767682E-14 4.194983036336385E-13 1.668688135653539E-15
q -7.072850414728355E-15 1.849133900806307E-14 -2.991727987499012E-12 3.387152843993911E-14 -5.592730872913574E-13 -4.901886114902477E-15
tp 1.982499812764483E-12 -2.991727987499012E-12 2.856595153242769E-8 -3.349657001442602E-11 6.692036458216713E-9 -1.056115124095793E-11
node -1.356839534767682E-14 3.387152843993911E-14 -3.349657001442602E-11 7.289091589552453E-9 -7.279347769030896E-9 5.710412383725614E-11
peri 4.194983036336385E-13 -5.592730872913574E-13 6.692036458216713E-9 -7.279347769030896E-9 8.842988435875695E-9 -5.942531351981505E-11
i 1.668688135653539E-15 -4.901886114902477E-15 -1.056115124095793E-11 5.710412383725614E-11 -5.942531351981505E-11 4.058752123036654E-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 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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