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5020 Asimov (1981 EX19)
Classification: Main-belt Asteroid          SPK-ID: 2005020
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2124142387047615 3.0443e-08  
a 2.154362218405563 6.8767e-09 au
q 1.696745007888644 6.6478e-08 au
i 1.102477408981879 4.0064e-06 deg
node 197.1503764889727 0.00016349 deg
peri 131.5915972762151 0.0001639 deg
M 2.766960672871524 1.5782e-05 deg
tp 2458991.622779675271
(2020-May-22.12277968)
5.0602e-05 TDB
period 1154.985449643463
3.16
5.53e-06
1.514e-08
d
yr
n .3116922382971404 1.4924e-09 deg/d
Q 2.611979428922482 8.3374e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2005  
   data-arc span      24483 days (67.03 yr)  
   first obs. used      1953-05-18  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52163  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:15:41  

Additional Information
 Earth MOID = .685788 au 
 Jupiter MOID = 2.73565 au 
 T_jup = 3.673 
[ 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 14.6   n/a MPO384799  
diameter diameter 3.457 km 0.328 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.214   0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5020 Asimov (1981 EX19)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1981 EX19 = 1963 UH 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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