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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1801905778052925 4.7605e-08  
a 3.106125732356189 1.7122e-08 au
q 2.54643114190704 1.4588e-07 au
i 5.190708224579503 4.1328e-06 deg
node 296.9334228649726 5.5106e-05 deg
peri 61.61444419333323 5.6253e-05 deg
M 55.10959952493504 1.0702e-05 deg
tp 2458694.408176663451
(2019-Jul-29.90817666)
5.9575e-05 TDB
period 1999.525624411395
5.47
1.6533e-05
4.526e-08
d
yr
n .1800427039318258 1.4887e-09 deg/d
Q 3.665820322805338 2.0208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1715  
   data-arc span      15756 days (43.14 yr)  
   first obs. used      1976-12-16  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49694  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:37:41  

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

[ hide close-approach data ]
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 1.95783647715768 1.95783583083046 1.95783712348444 2.05506154132325 1.83248850959601 2431971.654559719 1.667663668423 62.1202152212999 15.7633939980397 81.5118673703094 1744619.65314355 T 30 CATAB v2.0f-lin.ifort 2020-Feb-22 17:37:53 2020-Feb-22 17:37
1956-May-04 04:06 00:01 Jupiter 1.80865928334096 1.80865881178672 1.80865975489499 2.16670496291893 1.93855103802885 2435597.671123448 1.36576812627868 154.706148284441 21.0240054549127 -81.3610308187235 2451485.11173606 T 30 CATAB v2.0f-lin.ifort 2020-Feb-22 17:37:53 2020-Feb-22 17:37
2017-Feb-07 16:06 < 00:01 Jupiter 1.88163088457601 1.88163040683865 1.88163136231358 1.75567494060175 1.47718912906284 2457792.171176150 0.301259304136595 72.6415158139985 37.6802011613502 -85.8574369435063 2351593.22112619 T 30 CATAB v2.0f-lin.ifort 2020-Feb-22 17:37:53 2020-Feb-22 17:37
2027-Jan-17 06:34 < 00:01 Jupiter 1.8513124865222 1.85131199618935 1.85131297685494 2.5192358098907 2.33055749415181 2461422.773573755 0.435264744358019 95.0159874624489 15.2119568076738 -85.0396920066303 2373959.78155896 T 30 CATAB v2.0f-lin.ifort 2020-Feb-22 17:37:53 2020-Feb-22 17:37
2087-Oct-18 11:04 00:02 Jupiter 1.83139676832776 1.83139625324948 1.83139728340614 1.69912499105028 1.4007227012144 2483611.961166475 1.90543648400964 163.409321012548 49.6810056276393 -72.2088964331978 2307340.4726264 T 30 CATAB v2.0f-lin.ifort 2020-Feb-22 17:37:53 2020-Feb-22 17:37
2097-Oct-03 06:19 00:02 Jupiter 1.9251341241084 1.92513327011007 1.92513497810674 2.97140450062072 2.81944721966857 2487249.763213829 2.05877377755944 82.6341049527835 20.900578196534 -79.0238390077838 1530288.58174731 T 30 CATAB v2.0f-lin.ifort 2020-Feb-22 17:37:53 2020-Feb-22 17:37
2148-Jul-30 05:23 00:03 Jupiter 1.98774095660137 1.98773990652667 1.98774200667662 2.36980420784953 2.18259607006476 2505811.724116956 3.34463956247764 117.594371586745 14.2661873571654 84.8793811198338 1741211.44711125 T 30 CATAB v2.0f-lin.ifort 2020-Feb-22 17:37:53 2020-Feb-22 17:37
2158-Jun-30 04:00 00:04 Jupiter 1.81806635904979 1.81806585300027 1.81806686510335 1.86087245551075 1.59093128627794 2509433.666841699 3.6248125662368 384.568935967527 33.368353558823 -77.2483550508042 2535477.48946212 T 30 CATAB v2.0f-lin.ifort 2020-Feb-22 17:37:53 2020-Feb-22 17:37

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