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JPL Small-Body Database Browser
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1323 Tugela (1934 LD)
Classification: Outer Main-belt Asteroid          SPK-ID: 2001323
[ 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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1481276577649519 4.5611e-08  
a 3.228837962317239 1.6715e-08 au
q 2.750557757656626 1.5071e-07 au
i 18.78504091709961 4.9771e-06 deg
node 45.23437278203608 1.2205e-05 deg
peri 136.425658384376 1.9484e-05 deg
M 44.02794423280671 1.3839e-05 deg
tp 2458741.324640346563
(2019-Sep-14.82464035)		 8.1616e-05 TDB
period 2119.179786861685
5.80		 1.6456e-05
4.505e-08		 d
yr
n .1698770449925477 1.3192e-09 deg/d
Q 3.707118166977852 1.9191e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2419  
   data-arc span      40641 days (111.27 yr)  
   first obs. used      1908-10-27  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37731  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:51:42  

Additional Information
 Earth MOID = 1.77977 au 
 Jupiter MOID = 1.35883 au 
 T_jup = 3.087 
[ 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 9.9   n/a MPO302067  
diameter diameter 78.295 km 0.511 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 19.50 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2007) Minor Planet Bull. 34, 72-77.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.018   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B Xc   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1323 Tugela (1934 LD)          Discovered 1934-May-19 by Jackson, C. at Johannesburg (UO)
Prediscovery observations exist as early as May 8. The May 19 discovery date quoted by some authorities in in error.
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
1988-Nov-03 06:28 < 00:01 Jupiter 1.75137984827283 1.75137891404168 1.75138078251255 4.75438464229602 4.651549232965 2447468.769179371 0.689272916809157 231.045802578782 21.6328673889204 -79.7025815401203 3346174.22483567 T 40 CATAB v2.0f-lin.ifort 2020-Feb-22 15:51:58 2020-Feb-22 15:52
2000-Feb-01 18:40 < 00:01 Jupiter 1.42822337855048 1.42822281025912 1.42822394684346 4.63124371392604 4.50136621873412 2451576.277690057 0.364136367864145 98.0908521619101 12.570174098896 -75.2649983909694 3093699.95046628 T 40 CATAB v2.0f-lin.ifort 2020-Feb-22 15:51:58 2020-Feb-22 15:52
2011-Jun-26 05:30 < 00:01 Jupiter 1.3523069288955 1.35230641906339 1.352307438728 4.52531353261105 4.38471835684011 2455738.729159128 0.250815729202787 66.9066709192978 17.5651947178232 -74.5242361100599 2844690.0151357 T 40 CATAB v2.0f-lin.ifort 2020-Feb-22 15:51:58 2020-Feb-22 15:52
2022-Nov-17 15:29 < 00:01 Jupiter 1.494956270334 1.49495563289201 1.49495690777599 4.36665602517558 4.2349157260567 2459901.145156831 0.439730994176285 73.9125506743479 30.9754213214429 -89.8052650302098 2615520.69690782 T 40 CATAB v2.0f-lin.ifort 2020-Feb-22 15:51:58 2020-Feb-22 15:52
2034-Jan-15 19:41 00:01 Jupiter 1.85671549035982 1.85671428343527 1.85671669728479 3.4832320876407 3.34970412471872 2463978.320180743 1.23333828202891 184.14464985686 60.3132728040194 -79.2302372790524 2569276.75574912 T 40 CATAB v2.0f-lin.ifort 2020-Feb-22 15:51:58 2020-Feb-22 15:52
2155-Feb-04 13:27 00:03 Jupiter 1.82615328859588 1.82614971711988 1.82615686026092 4.58788782393032 4.48565012623827 2508192.060714269 2.89910327537901 970.334800592414 30.4394189801985 -79.5835563338971 2813087.8801615 T 40 CATAB v2.0f-lin.ifort 2020-Feb-22 15:51:58 2020-Feb-22 15:52
2166-Apr-23 00:37 00:02 Jupiter 1.44198438713524 1.44198217212847 1.4419866021743 4.63390165077982 4.50535717553227 2512287.525717355 2.209324211113 368.75854980292 19.1156490508401 -73.0288618895735 2833020.23296153 T 40 CATAB v2.0f-lin.ifort 2020-Feb-22 15:51:58 2020-Feb-22 15:52
2177-Sep-13 04:31 00:02 Jupiter 1.31525222393577 1.31525170876312 1.31525273911687 4.59186067866887 4.44940269757524 2516448.688018533 1.94045250327975 235.234585583768 17.0120619115658 -85.6737029450131 3137149.51418625 T 40 CATAB v2.0f-lin.ifort 2020-Feb-22 15:51:58 2020-Feb-22 15:52
2189-Feb-12 11:34 00:02 Jupiter 1.41550266185065 1.41550073970096 1.41550458401121 4.51590800421099 4.38139763944064 2520618.981969539 2.42937690494955 234.065838944152 36.6415854350687 67.0345562025455 2968100.39376568 T 40 CATAB v2.0f-lin.ifort 2020-Feb-22 15:51:58 2020-Feb-22 15:52
2200-May-14 03:12 00:04 Jupiter 1.76012309118137 1.76011854217889 1.76012764018535 4.07098422394529 3.95100674234255 2524726.633488958 4.30330294936722 243.105581436402 92.8035310943069 -6.90679627984168 2839702.36170095 T 40 CATAB v2.0f-lin.ifort 2020-Feb-22 15:51:58 2020-Feb-22 15:52

Alternate Designations
 1934 LD = 1974 HR3 = 1974 KM = 1974 KO = A908 UB = A911 HC 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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