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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .212327434168951 1.1476e-08  
a 2.15426741385921 3.7788e-09 au
q 1.696857341360702 2.4765e-08 au
i 1.102486597890691 9.9826e-07 deg
node 197.149961170443 2.8442e-05 deg
peri 131.6098134949939 2.8464e-05 deg
M 65.10065294954347 7.3088e-06 deg
tp 2458991.651822907602
(2020-May-22.15182291)
2.3271e-05 TDB
period 1154.909211302934
3.16
3.0388e-06
8.32e-09
d
yr
n .3117128138530116 8.2017e-10 deg/d
Q 2.611677486357718 4.5812e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2639  
   data-arc span      24771 days (67.82 yr)  
   first obs. used      1953-05-18  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47863  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:03:05  

Additional Information
 Earth MOID = .683969 au 
 Jupiter MOID = 2.73598 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 14.65   n/a E2021B10  
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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