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441028 (2007 EW210)
Classification: Main-belt Asteroid          SPK-ID: 2441028
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1939027378790713 1.811e-07  
a 2.32583343513578 3.1693e-08 au
q 1.874847964212267 4.3653e-07 au
i 3.46629356638097 1.3888e-05 deg
node 355.2292962490856 0.00011469 deg
peri 210.6474528001501 0.00012985 deg
M 233.1982850478973 7.9037e-05 deg
tp 2459456.840451292818
(2021-Aug-30.34045129)
0.0002926 TDB
period 1295.586282310689
3.55
2.6481e-05
7.25e-08
d
yr
n .2778664801528594 5.6795e-09 deg/d
Q 2.776818906059293 3.7838e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      7171 days (19.63 yr)  
   first obs. used      2000-03-10  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67256  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:55:32  

Additional Information
 Earth MOID = .87188 au 
 Jupiter MOID = 2.18997 au 
 T_jup = 3.547 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457081.5 (2015-Feb-28.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1937536297714272 1.8136e-07  
q 1.875186138747815 4.3696e-07 au
tp 2456865.970684276197
(2014-Jul-27.47068428)
0.00024794 TDB
node 355.2677470471781 0.00011461 deg
peri 210.6504660477852 0.00012984 deg
i 3.467972987367133 1.3891e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      7171 days (19.63 yr)  
   first obs. used      2000-03-10  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67256  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:55:32  

Additional Information
 Jupiter MOID = 2.18997 au 
 T_jup = 3.547 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.288982448884103E-14 -7.915545185249898E-14 -3.905516512141582E-11 -2.509613818621991E-13 -9.420911626327591E-12 -4.619617696895235E-14
q -7.915545185249898E-14 1.909322182692917E-13 9.600535174269022E-11 6.159600293145363E-13 2.317995583679144E-11 1.128383124381328E-13
tp -3.905516512141582E-11 9.600535174269022E-11 6.147613076662947E-8 3.538245190689842E-10 1.514959885975159E-8 7.111195161612855E-11
node -2.509613818621991E-13 6.159600293145363E-13 3.538245190689842E-10 1.313630722146608E-8 -1.302132728794685E-8 -4.152329362483169E-10
peri -9.420911626327591E-12 2.317995583679144E-11 1.514959885975159E-8 -1.302132728794685E-8 1.685881890816835E-8 4.324077987469457E-10
i -4.619617696895235E-14 1.128383124381328E-13 7.111195161612855E-11 -4.152329362483169E-10 4.324077987469457E-10 1.929589603606283E-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 MPO342689  

441028 (2007 EW210)          Discovered 2007-Mar-08 by NEAT at Palomar
Reference: Last Updated: 2015-09-02

Alternate Designations
 2007 EW210 = 2000 GZ148 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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