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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 ]

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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04417586590163397 8.7051e-08  
a 2.524793889406499 7.9433e-08 au
q 2.413258933118812 1.7372e-07 au
i 4.883699836454244 1.397e-05 deg
node 144.9364247701647 7.7026e-05 deg
peri 86.7246039677876 0.00042226 deg
M 140.9605436025196 0.00038549 deg
tp 2458426.737199503990
(2018-Nov-04.23719950)
0.0015797 TDB
period 1465.336348028042
4.01
6.9151e-05
1.893e-07
d
yr
n .2456773835471054 1.1594e-08 deg/d
Q 2.636328845694185 8.2942e-08 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      3899 days (10.67 yr)  
   first obs. used      2008-11-21  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5812  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:51:27  

Additional Information
 Earth MOID = 1.40835 au 
 Jupiter MOID = 2.34359 au 
 T_jup = 3.448 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457017.5 (2014-Dec-26.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04330791076925528 8.3766e-08  
q 2.415922706240859 1.6611e-07 au
tp 2456965.693466238285
(2014-Nov-04.19346624)
0.0016475 TDB
node 145.0035220549742 7.7049e-05 deg
peri 87.97699526902889 0.00043112 deg
i 4.882189441070466 1.3965e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      3899 days (10.67 yr)  
   first obs. used      2008-11-21  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5812  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:51:27  

Additional Information
 Jupiter MOID = 2.34359 au 
 T_jup = 3.448 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.016824622441653E-15 -1.315164776262644E-14 -6.072689465628212E-11 1.647561582446489E-13 -1.582488998461952E-11 9.937606830258652E-16
q -1.315164776262644E-14 2.75939928162417E-14 9.590354862202283E-11 -2.599030827521008E-13 2.508775913595393E-11 1.344232889711552E-15
tp -6.072689465628212E-11 9.590354862202283E-11 2.714140700097783E-6 -7.190038868758561E-9 6.988640057264308E-7 -8.586996534803433E-11
node 1.647561582446489E-13 -2.599030827521008E-13 -7.190038868758561E-9 5.936561165801337E-9 -7.746776575743478E-9 -3.216453991719751E-10
peri -1.582488998461952E-11 2.508775913595393E-11 6.988640057264308E-7 -7.746776575743478E-9 1.858627872485196E-7 2.987590546703698E-10
i 9.937606830258652E-16 1.344232889711552E-15 -8.586996534803433E-11 -3.216453991719751E-10 2.987590546703698E-10 1.95020829950844E-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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