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90518 (2004 EL60)
Classification: Main-belt Asteroid          SPK-ID: 2090518
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .137449535844176 5.167e-08  
a 2.197675021433791 7.2754e-09 au
q 1.895605609801376 1.1532e-07 au
i 7.784323318705103 5.266e-06 deg
node 343.0617388157806 2.9343e-05 deg
peri 223.7644355950879 3.3037e-05 deg
M 344.8354156367699 1.5074e-05 deg
tp 2459050.626992145362
(2020-Jul-20.12699215)
4.9879e-05 TDB
period 1189.990885347725
3.26
5.9092e-06
1.618e-08
d
yr
n .3025233255419475 1.5023e-09 deg/d
Q 2.499744433066205 8.2754e-09 au
  Orbit Determination Parameters
   # obs. used (total)      716  
   data-arc span      9013 days (24.68 yr)  
   first obs. used      1995-08-25  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56163  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:32:45  

Additional Information
 Earth MOID = .900979 au 
 Jupiter MOID = 2.48545 au 
 T_jup = 3.643 
[ 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 16.2   n/a MPO351479  
diameter diameter 1.594 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.230   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90518 (2004 EL60)          Discovered 2004-Mar-15 by NEAT at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 2004 EL60 = 1995 SO14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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