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441899 (2010 EU66)
Classification: Main-belt Asteroid          SPK-ID: 2441899
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04417592878799478 9.9578e-08  
a 2.524793878243779 1.1399e-07 au
q 2.413258763674117 1.7919e-07 au
i 4.883693534388856 1.4175e-05 deg
node 144.9364775207906 7.848e-05 deg
peri 86.7246301992645 0.00045545 deg
M 140.9604647289991 0.00040841 deg
tp 2458426.737524354204
(2018-Nov-04.23752435)
0.0016818 TDB
period 1465.336338310136
4.01
9.9232e-05
2.717e-07
d
yr
n .2456773851764034 1.6637e-08 deg/d
Q 2.636328992813442 1.1902e-07 au
  Orbit Determination Parameters
   # obs. used (total)      57  
   data-arc span      2455 days (6.72 yr)  
   first obs. used      2008-11-21  
   last obs. used      2015-08-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59948  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:33:52  

Additional Information
 Earth MOID = 1.40835 au 
 Jupiter MOID = 2.34359 au 
 T_jup = 3.448 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456919.5 (2014-Sep-19.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04323886507342373 9.5295e-08  
q 2.415922525706704 1.6995e-07 au
tp 2456965.615641689914
(2014-Nov-04.11564169)
0.0017804 TDB
node 145.0046833067639 7.8508e-05 deg
peri 87.95496665067945 0.00046608 deg
i 4.882187830921134 1.417e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      57  
   data-arc span      2455 days (6.72 yr)  
   first obs. used      2008-11-21  
   last obs. used      2015-08-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59948  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:33:52  

Additional Information
 Jupiter MOID = 2.34359 au 
 T_jup = 3.448 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.081193886041703E-15 -1.477591734594779E-14 -9.131173357792792E-11 2.476414294476995E-13 -2.382172290249372E-11 3.519831980264141E-15
q -1.477591734594779E-14 2.888282672761951E-14 1.202071796258213E-10 -3.268328354136778E-13 3.14424160189735E-11 -8.345582154561226E-16
tp -9.131173357792792E-11 1.202071796258213E-10 3.169949041047654E-6 -8.401883662103796E-9 8.180193458051709E-7 -1.204767247037526E-10
node 2.476414294476995E-13 -3.268328354136778E-13 -8.401883662103796E-9 6.16349240201019E-9 -8.28646392573803E-9 -2.857093526929403E-10
peri -2.382172290249372E-11 3.14424160189735E-11 8.180193458051709E-7 -8.28646392573803E-9 2.172338052221158E-7 2.540041467322307E-10
i 3.519831980264141E-15 -8.345582154561226E-16 -1.204767247037526E-10 -2.857093526929403E-10 2.540041467322307E-10 2.007792343332155E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a MPO292153  

441899 (2010 EU66)          Discovered 2010-Mar-04 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2010 EU66 = 2014 DU138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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