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441902 (2010 EX77)
Classification: Main-belt Asteroid          SPK-ID: 2441902
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 .08399779889566365 7.0833e-08  
a 2.592099942431704 3.916e-08 au
q 2.374369252749865 1.8267e-07 au
i 4.773328188167505 1.4062e-05 deg
node 125.2553905967778 9.7944e-05 deg
peri 93.80005641855615 0.00014558 deg
M 124.1725442209651 0.00010573 deg
tp 2458474.725983863378
(2018-Dec-22.22598386)
0.00044258 TDB
period 1524.319623123468
4.17
3.4543e-05
9.457e-08
d
yr
n .2361709411457471 5.3519e-09 deg/d
Q 2.809830632113544 4.245e-08 au
  Orbit Determination Parameters
   # obs. used (total)      61  
   data-arc span      9126 days (24.99 yr)  
   first obs. used      1993-01-29  
   last obs. used      2018-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .75689  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:53:22  

Additional Information
 Earth MOID = 1.37234 au 
 Jupiter MOID = 2.16905 au 
 T_jup = 3.409 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456932.5 (2014-Oct-02.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08263262791540571 7.1108e-08  
q 2.378366822762268 1.8299e-07 au
tp 2456950.553337392432
(2014-Oct-20.05333739)
0.00043596 TDB
node 125.3026134795602 9.805e-05 deg
peri 94.12749304732385 0.00014669 deg
i 4.770465468369113 1.4052e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      61  
   data-arc span      9126 days (24.99 yr)  
   first obs. used      1993-01-29  
   last obs. used      2018-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .75689  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:53:22  

Additional Information
 Jupiter MOID = 2.16905 au 
 T_jup = 3.409 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.056388045208186E-15 -1.276554826152077E-14 -1.34639375692475E-13 1.364284825899778E-14 4.665452499131531E-14 3.054261706004692E-16
q -1.276554826152077E-14 3.34869975214886E-14 5.702384111943882E-12 -5.120115348126819E-14 1.21308684492728E-12 2.224816245311413E-16
tp -1.34639375692475E-13 5.702384111943882E-12 1.90061968098711E-7 -6.704428177033765E-10 4.760779050868623E-8 1.197792506937602E-11
node 1.364284825899778E-14 -5.120115348126819E-14 -6.704428177033765E-10 9.613806584091971E-9 -9.744559306761286E-9 1.839428335535842E-10
peri 4.665452499131531E-14 1.21308684492728E-12 4.760779050868623E-8 -9.744559306761286E-9 2.151825258592012E-8 -1.802225229783386E-10
i 3.054261706004692E-16 2.224816245311413E-16 1.197792506937602E-11 1.839428335535842E-10 -1.802225229783386E-10 1.974679207544357E-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 17.5   n/a MPO437717  

441902 (2010 EX77)          Discovered 2010-Feb-19 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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