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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1441427532026545 4.0115e-08  
a 3.161857078253421 1.6697e-08 au
q 2.706098293760673 1.2835e-07 au
i .4247232606104973 3.9013e-06 deg
node 41.95365498927232 0.00051904 deg
peri 134.9520433234723 0.00051917 deg
M 254.6105440197364 1.312e-05 deg
tp 2459601.682654208655
(2022-Jan-22.18265421)
7.7153e-05 TDB
period 2053.580725909109
5.62
1.6267e-05
4.454e-08
d
yr
n .1753035541569129 1.3886e-09 deg/d
Q 3.61761586274617 1.9104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2652  
   data-arc span      18078 days (49.49 yr)  
   first obs. used      1971-01-28  
   last obs. used      2020-07-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45628  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:28:15  

Additional Information
 Earth MOID = 1.71031 au 
 Jupiter MOID = 1.34551 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 12.2   n/a MPO358683  
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

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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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