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JPL Small-Body Database Browser
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5419 Benua (1981 SW7)
Classification: Main-belt Asteroid          SPK-ID: 2005419
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1799054636940817 4.7693e-08  
a 3.104970806691033 2.0979e-08 au
q 2.546369593956696 1.4642e-07 au
i 5.190646199203123 5.1577e-06 deg
node 296.9371583576288 5.5492e-05 deg
peri 61.54950240585867 5.7063e-05 deg
M 343.1278799298552 1.5402e-05 deg
tp 2458694.159506552024
(2019-Jul-29.65950655)
8.585e-05 TDB
period 1998.410526866248
5.47
2.0253e-05
5.545e-08
d
yr
n .1801431663615804 1.8257e-09 deg/d
Q 3.663572019425371 2.4753e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1421  
   data-arc span      15619 days (42.76 yr)  
   first obs. used      1976-12-16  
   last obs. used      2019-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53372  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 00:50:18  

Additional Information
 Earth MOID = 1.54672 au 
 Jupiter MOID = 1.82641 au 
 T_jup = 3.189 
[ 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 12.9   n/a MPO358683  
diameter diameter 13.907 km 0.237 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5419 Benua (1981 SW7)          Discovered 1981-Sep-29 by Zhuravleva, L. V. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1981 SW7 = 1976 YK2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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