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5413 Smyslov (1977 EC2)
Classification: Main-belt Asteroid          SPK-ID: 2005413
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1440286502111462 2.491e-08  
a 3.162599675874271 1.453e-08 au
q 2.707094713399891 8.1051e-08 au
i .4247255529777659 3.1275e-07 deg
node 41.95422729401595 4.9715e-05 deg
peri 134.8589502796709 5.0701e-05 deg
M 289.7483437357207 4.0822e-06 deg
tp 2459601.384095820141
(2022-Jan-21.88409582)
2.4136e-05 TDB
period 2054.304228107316
5.62
1.4157e-05
3.876e-08
d
yr
n .1752418142719189 1.2077e-09 deg/d
Q 3.618104638348651 1.6622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2959  
   data-arc span      18308 days (50.12 yr)  
   first obs. used      1971-01-28  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4437  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:30:48  

Additional Information
 Earth MOID = 1.7109 au 
 Jupiter MOID = 1.34409 au 
 T_jup = 3.188 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.25   n/a E2021B10  
diameter diameter 17.572 km 0.306 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.059   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5413 Smyslov (1977 EC2)          Discovered 1977-Mar-13 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1977 EC2 = 1971 BF4 = 1990 RX5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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