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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09942450475552957 6.3197e-08  
a 2.598729056587568 3.3563e-08 au
q 2.340351707142545 1.7242e-07 au
i 3.888239759786293 8.6656e-06 deg
node 136.236432475169 8.646e-05 deg
peri 307.3103213156992 9.5775e-05 deg
M 33.41058211328953 4.3835e-05 deg
tp 2458458.489167937947
(2018-Dec-05.98916794)
0.0001851 TDB
period 1530.170871282244
4.19
2.9644e-05
8.116e-08
d
yr
n .2352678427987126 4.5578e-09 deg/d
Q 2.857106406032591 3.69e-08 au
  Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      6208 days (17.00 yr)  
   first obs. used      2001-12-14  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57196  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:14:12  

Additional Information
 Earth MOID = 1.35886 au 
 Jupiter MOID = 2.31941 au 
 T_jup = 3.405 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456957.5 (2014-Oct-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09878761082422169 6.3767e-08  
q 2.342227525956023 1.7375e-07 au
tp 2456931.344662676564
(2014-Sep-30.84466268)
0.0001745 TDB
node 136.2527700499764 8.6429e-05 deg
peri 308.0899663495151 9.5745e-05 deg
i 3.888038379145414 8.6683e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      6208 days (17.00 yr)  
   first obs. used      2001-12-14  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57196  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:14:12  

Additional Information
 Jupiter MOID = 2.31941 au 
 T_jup = 3.405 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.066256559307239E-15 -1.091872899823946E-14 3.45192583021808E-12 -1.787431872809646E-14 8.260083998422167E-13 1.762750905579536E-15
q -1.091872899823946E-14 3.018758321792225E-14 -7.482289367052848E-12 4.671651646274082E-14 -1.801076438365335E-12 -4.700959995849621E-15
tp 3.45192583021808E-12 -7.482289367052848E-12 3.044885071661833E-8 -5.139600024498771E-11 7.212819300679359E-9 -4.639749161696387E-12
node -1.787431872809646E-14 4.671651646274082E-14 -5.139600024498771E-11 7.469911786658167E-9 -7.464240509119657E-9 -2.12967010777394E-11
peri 8.260083998422167E-13 -1.801076438365335E-12 7.212819300679359E-9 -7.464240509119657E-9 9.167056799335597E-9 2.023239097899768E-11
i 1.762750905579536E-15 -4.700959995849621E-15 -4.639749161696387E-12 -2.12967010777394E-11 2.023239097899768E-11 7.513907353092218E-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-January); 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

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