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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1480774060121307 3.5318e-08  
a 2.355049141083545 1.0295e-08 au
q 2.006319573240797 8.1835e-08 au
i 7.507071917883681 4.3341e-06 deg
node 131.6408500454635 3.3777e-05 deg
peri 129.025076740045 3.8592e-05 deg
M 338.9886534838631 2.2132e-05 deg
tp 2459077.545942411458
(2020-Aug-16.04594241)
8.145e-05 TDB
period 1320.07433444701
3.61
8.6563e-06
2.37e-08
d
yr
n .2727119152352939 1.7883e-09 deg/d
Q 2.703778708926293 1.182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      10493 days (28.73 yr)  
   first obs. used      1991-05-08  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .587  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:47:59  

Additional Information
 Earth MOID = 1.0005 au 
 Jupiter MOID = 2.38733 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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