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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1799054638309521 4.7678e-08  
a 3.104970797124718 1.795e-08 au
q 2.546369585686435 1.4615e-07 au
i 5.190647766018582 4.5543e-06 deg
node 296.9371549097887 5.5448e-05 deg
peri 61.54949997845448 5.6673e-05 deg
M 343.1278889950963 1.1774e-05 deg
tp 2458694.159455796756
(2019-Jul-29.65945580)
6.5399e-05 TDB
period 1998.41051763069
5.47
1.7329e-05
4.744e-08
d
yr
n .1801431671941033 1.5621e-09 deg/d
Q 3.663572008563001 2.1179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1552  
   data-arc span      15659 days (42.87 yr)  
   first obs. used      1976-12-16  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51505  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:45:53  

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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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 03:42 00:02 Jupiter 1.95783659685654 1.95783590507005 1.95783728864269 2.05506238803658 1.83248947358476 2431971.654411217 1.75119887508703 65.3893314354575 16.1914566262207 80.470861340876 1666325.46260372 T 26 CATAB v2.0f-lin.ifort 2019-Nov-07 02:46:01 2019-Nov-07 02:46
1956-May-04 04:06 00:01 Jupiter 1.80865921321312 1.80865873643448 1.80865968999165 2.16670393242948 1.93854987689102 2435597.671031791 1.43280995088786 168.161742551017 21.0657045003147 -81.3675771948705 2424612.67880654 T 26 CATAB v2.0f-lin.ifort 2019-Nov-07 02:46:01 2019-Nov-07 02:46
2017-Feb-07 16:07 < 00:01 Jupiter 1.88163108203913 1.88163059227425 1.88163157180411 1.75567556954755 1.47718990855985 2457792.171396822 0.304230147101291 73.6692108927149 37.9508438876458 -86.5927886385615 2345728.48607869 T 26 CATAB v2.0f-lin.ifort 2019-Nov-07 02:46:01 2019-Nov-07 02:46
2027-Jan-17 06:34 < 00:01 Jupiter 1.85131223904071 1.85131174720791 1.8513127308733 2.51923390700299 2.33055541096581 2461422.773814788 0.453525132937063 103.097307957667 15.3689505511677 -84.6083626348858 2356541.65423655 T 26 CATAB v2.0f-lin.ifort 2019-Nov-07 02:46:01 2019-Nov-07 02:46
2087-Oct-18 11:05 00:02 Jupiter 1.83139691929843 1.83139639382637 1.83139744477048 1.69912434797773 1.40072194836404 2483611.961744861 2.00106793444408 168.673569047303 49.8003032926847 -72.4352467142623 2288780.56877646 T 26 CATAB v2.0f-lin.ifort 2019-Nov-07 02:46:01 2019-Nov-07 02:46
2097-Oct-03 06:20 00:02 Jupiter 1.92513362377374 1.92513276115168 1.92513448639591 2.97140154002161 2.81944405894706 2487249.763774312 2.16609085283757 86.2643447847425 20.937551013852 -79.1658642172548 1480966.53530645 T 26 CATAB v2.0f-lin.ifort 2019-Nov-07 02:46:01 2019-Nov-07 02:46
2148-Jul-30 05:24 00:04 Jupiter 1.98774147842227 1.98774040022273 1.98774255662237 2.36980811989585 2.18260036891237 2505811.724949318 3.51364993027687 123.594171333245 14.6028396888841 84.5188215920983 1649112.49436092 T 26 CATAB v2.0f-lin.ifort 2019-Nov-07 02:46:01 2019-Nov-07 02:46
2158-Jun-30 04:02 00:04 Jupiter 1.81806631554842 1.81806580601927 1.81806682508169 1.86087017613913 1.59092861314655 2509433.667753092 3.809097599932 402.651417226737 33.4702853856863 -77.3123414667764 2515858.24086736 T 26 CATAB v2.0f-lin.ifort 2019-Nov-07 02:46:01 2019-Nov-07 02:46

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