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1349 Bechuana (1934 LJ)
Classification: Main-belt Asteroid          SPK-ID: 2001349
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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1558751708342498 3.3152e-08  
a 3.01389848606756 1.3139e-08 au
q 2.544106544674692 9.8732e-08 au
i 10.05137032432693 3.7642e-06 deg
node 307.0820929732034 2.315e-05 deg
peri 305.471224479534 2.6628e-05 deg
M 165.1265104545355 1.4282e-05 deg
tp 2458123.891535508178
(2018-Jan-05.39153551)
7.469e-05 TDB
period 1911.134961602333
5.23
1.2497e-05
3.421e-08
d
yr
n .1883697421861662 1.2318e-09 deg/d
Q 3.483690427460428 1.5187e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2973  
   data-arc span      31283 days (85.65 yr)  
   first obs. used      1934-06-13  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:52:31  

Additional Information
 Earth MOID = 1.54523 au 
 Jupiter MOID = 1.71345 au 
 T_jup = 3.207 
[ 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 10.5   n/a MPO502166  
diameter diameter 24.249 km 0.334 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 15.692 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.150   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1349 Bechuana (1934 LJ)          Discovered 1934-Jun-13 by Jackson, C. at Johannesburg (UO)
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
1904-Jul-05 06:20 00:03 Jupiter 1.87001264700404 1.87001178188142 1.87001351213941 2.470206867822 2.27947837509205 2416666.763605591 2.56896603579974 299.962294671062 19.7797846240733 84.1424919493072 2697151.62089881 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 15:52:44 2020-Feb-22 15:52
1942-Jun-10 06:00 00:02 Jupiter 1.76177088283351 1.76177022580442 1.7617715398641 2.91848852251151 2.74882105159509 2430520.749690211 1.50946210093558 148.762529516397 21.2718377647767 87.9609559558155 2834074.26527815 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 15:52:44 2020-Feb-22 15:52
1989-Mar-20 13:15 < 00:01 Jupiter 1.70452367476531 1.70452323525191 1.70452411427871 2.16557746771667 1.92246542696574 2447606.051753603 0.568199210785992 87.0719247949805 26.4352088280195 -70.6441579783309 2373612.52257471 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 15:52:44 2020-Feb-22 15:52
2035-Dec-10 15:48 < 00:01 Jupiter 1.75921161074843 1.75921109210744 1.75921212938932 1.51790434197758 1.15804863895676 2464672.158261927 0.616784364913019 113.621144222259 84.2505068324867 27.236115526857 2050382.05750528 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 15:52:44 2020-Feb-22 15:52
2073-Sep-15 06:11 00:01 Jupiter 1.93600092562824 1.93600014723771 1.93600170401877 3.67529152842388 3.55425730316918 2478465.757734037 1.23364521024634 95.3495052506975 34.6630430363973 88.835883599918 2709938.62793685 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 15:52:44 2020-Feb-22 15:52
2082-Aug-14 01:13 00:02 Jupiter 1.87692952816393 1.87692878095485 1.876930275376 2.19023217243236 1.9734627170342 2481720.550747462 1.66468642630094 163.149286259379 24.3756000898021 77.6421674820248 2700155.7952138 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 15:52:44 2020-Feb-22 15:52
2120-Jul-05 17:20 00:02 Jupiter 1.75810137495812 1.75810060642465 1.75810214349578 3.09226382819943 2.93232510774998 2495560.222060946 2.17243902037513 198.750544532016 22.355106750074 85.6951266205619 2953036.07673005 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 15:52:44 2020-Feb-22 15:52
2167-Apr-23 03:50 00:03 Jupiter 1.69566553674241 1.69566510846864 1.69566596501792 2.47207458337551 2.26099721820904 2512652.659626057 3.24949227366096 297.449547763031 17.5003515365285 -79.5092492938028 2652135.349731 T 41 CATAB v2.0f-lin.ifort 2020-Feb-22 15:52:44 2020-Feb-22 15:52

Alternate Designations
 1934 LJ = 1934 NH = 1950 PA = 1950 QO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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