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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1801905777442916 4.6305e-08  
a 3.106125732589941 1.6815e-08 au
q 2.546431142288148 1.4112e-07 au
i 5.190708343992229 4.0771e-06 deg
node 296.9334240860769 5.1917e-05 deg
peri 61.61444305694627 5.3107e-05 deg
M 55.10959934531348 1.0623e-05 deg
tp 2458694.408177626559
(2019-Jul-29.90817763)
5.9088e-05 TDB
period 1999.525624637107
5.47
1.6237e-05
4.445e-08
d
yr
n .1800427039115021 1.462e-09 deg/d
Q 3.665820322891733 1.9845e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1834  
   data-arc span      16024 days (43.87 yr)  
   first obs. used      1976-12-16  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49528  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:43:39  

Additional Information
 Earth MOID = 1.54769 au 
 Jupiter MOID = 1.82809 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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1946-May-31 03:43 00:02 Jupiter 1.95783647684124 1.95783583154713 1.95783712213502 2.05506153818712 1.83248850604081 2431971.654556352 1.62978212533056 61.3268475206984 15.1440920122979 80.959847683124 1750684.79490737 T 31 CATAB v2.0f-lin.ifort 2020-Nov-13 03:43:44 2020-Nov-13 03:43
1956-May-04 04:06 00:01 Jupiter 1.80865928396712 1.80865881757499 1.80865975035905 2.16670496638142 1.93855104198248 2435597.671124455 1.33994197604973 153.018292155222 20.0296553247446 -81.6878969415575 2511912.23065373 T 31 CATAB v2.0f-lin.ifort 2020-Nov-13 03:43:44 2020-Nov-13 03:43
2017-Feb-07 16:06 < 00:01 Jupiter 1.88163088609028 1.88163042264576 1.88163134953491 1.75567494144214 1.47718913030691 2457792.171175139 0.294917723538017 71.2771207992978 36.4321777580835 -86.0191139695546 2461674.95052636 T 31 CATAB v2.0f-lin.ifort 2020-Nov-13 03:43:44 2020-Nov-13 03:43
2027-Jan-17 06:34 < 00:01 Jupiter 1.85131248618874 1.85131199753449 1.85131297484288 2.51923583166857 2.33055751765742 2461422.773574951 0.416687965888445 94.7693787327367 14.5438087930788 -85.1127102626382 2392915.21706231 T 31 CATAB v2.0f-lin.ifort 2020-Nov-13 03:43:44 2020-Nov-13 03:43
2087-Oct-18 11:04 00:02 Jupiter 1.83139677043443 1.83139627553524 1.83139726533383 1.69912499456429 1.40072270585684 2483611.961175755 1.85024703568562 162.631971886378 47.4445568063523 -72.1376362811004 2448059.10531942 T 31 CATAB v2.0f-lin.ifort 2020-Nov-13 03:43:44 2020-Nov-13 03:43
2097-Oct-03 06:19 00:02 Jupiter 1.925134122188 1.92513328855984 1.92513495581615 2.9714045234145 2.81944724353518 2487249.763217312 1.99557167623469 81.7689160939878 20.2581588483169 -79.1288011935851 1555401.87518513 T 31 CATAB v2.0f-lin.ifort 2020-Nov-13 03:43:44 2020-Nov-13 03:43
2148-Jul-30 05:23 00:03 Jupiter 1.98774096126418 1.98773995897431 1.98774196355473 2.36980420421296 2.18259606657426 2505811.724121816 3.25746363230069 114.507341243189 13.4350597143527 84.872867721293 1777678.97535938 T 31 CATAB v2.0f-lin.ifort 2020-Nov-13 03:43:44 2020-Nov-13 03:43
2158-Jun-30 04:00 00:04 Jupiter 1.81806636001095 1.81806585777931 1.81806686224725 1.86087247182308 1.59093130551289 2509433.666847332 3.52446026903034 375.240103217589 31.9931868113882 -77.2135776252043 2632712.77143839 T 31 CATAB v2.0f-lin.ifort 2020-Nov-13 03:43:44 2020-Nov-13 03:43

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