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65907 (1998 EX11)
Classification: Main-belt Asteroid          SPK-ID: 2065907
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1479247117193723 3.5553e-08  
a 2.355322070792164 1.0615e-08 au
q 2.006911732463958 8.2187e-08 au
i 7.506511077338548 4.345e-06 deg
node 131.6404065565854 3.3802e-05 deg
peri 128.94505950846 3.8715e-05 deg
M 229.9753263543435 2.2053e-05 deg
tp 2459077.366869865882
(2020-Aug-15.86686987)
8.2774e-05 TDB
period 1320.303818793334
3.61
8.9253e-06
2.444e-08
d
yr
n .272664514694061 1.8432e-09 deg/d
Q 2.70373240912037 1.2185e-08 au
  Orbit Determination Parameters
   # obs. used (total)      847  
   data-arc span      10107 days (27.67 yr)  
   first obs. used      1991-05-08  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58833  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:14:36  

Additional Information
 Earth MOID = 1.00073 au 
 Jupiter MOID = 2.3869 au 
 T_jup = 3.529 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO259755  
diameter diameter 4.817 km 0.227 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65907 (1998 EX11)          Discovered 1998-Mar-01 by Elst, E. W. at La Silla
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 EX11 = 2002 JX72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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