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441020 (2007 EC147)
Classification: Main-belt Asteroid          SPK-ID: 2441020
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1037577929071079 7.8477e-08  
a 2.288546347981584 2.8237e-08 au
q 2.051091829949393 1.9887e-07 au
i 5.080894771991638 7.2653e-06 deg
node 25.65623479690661 6.0994e-05 deg
peri 104.2534352730073 6.9893e-05 deg
M 331.6746858850869 3.495e-05 deg
tp 2459099.997055654220
(2020-Sep-07.49705565)
0.0001234 TDB
period 1264.555792398462
3.46
2.3404e-05
6.408e-08
d
yr
n .2846849479983749 5.2688e-09 deg/d
Q 2.526000866013775 3.1167e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      4631 days (12.68 yr)  
   first obs. used      2007-02-26  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60746  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:08:38  

Additional Information
 Earth MOID = 1.0726 au 
 Jupiter MOID = 2.50739 au 
 T_jup = 3.588 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457399.5 (2016-Jan-12.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1029851648210062 7.8651e-08  
q 2.05301896192408 1.9917e-07 au
tp 2457836.029602262116
(2017-Mar-23.52960226)
0.00011829 TDB
node 25.67651537580829 6.0943e-05 deg
peri 104.3893954073385 6.997e-05 deg
i 5.083410778229706 7.268e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      4631 days (12.68 yr)  
   first obs. used      2007-02-26  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60746  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:08:38  

Additional Information
 Jupiter MOID = 2.50739 au 
 T_jup = 3.588 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.186048241759112E-15 -1.560581424326235E-14 1.302563559080297E-12 2.736101280497162E-14 5.731938068610234E-13 -3.524620261770199E-15
q -1.560581424326235E-14 3.966836986949457E-14 -2.486241317069519E-12 -7.03898588944893E-14 -1.243003992861778E-12 9.970471042704518E-15
tp 1.302563559080297E-12 -2.486241317069519E-12 1.399168670544818E-8 -3.657515959708232E-11 4.071196572803079E-9 6.118337213274033E-12
node 2.736101280497162E-14 -7.03898588944893E-14 -3.657515959708232E-11 3.714066709658531E-9 -3.708485943978026E-9 -1.044278414413454E-10
peri 5.731938068610234E-13 -1.243003992861778E-12 4.071196572803079E-9 -3.708485943978026E-9 4.895753554382752E-9 1.056371904648662E-10
i -3.524620261770199E-15 9.970471042704518E-15 6.118337213274033E-12 -1.044278414413454E-10 1.056371904648662E-10 5.282370442078633E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.0   n/a MPO503569  

441020 (2007 EC147)          Discovered 2007-Feb-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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