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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 ]

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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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1481276554124714 4.0398e-08  
a 3.228837962699612 1.5292e-08 au
q 2.750557765578138 1.3123e-07 au
i 18.78504017370955 4.9644e-06 deg
node 45.23438067433606 1.1307e-05 deg
peri 136.4256509759837 1.8978e-05 deg
M 44.02794382951394 1.3738e-05 deg
tp 2458741.324642674551
(2019-Sep-14.82464267)
8.1116e-05 TDB
period 2119.179787238128
5.80
1.5055e-05
4.122e-08
d
yr
n .1698770449623713 1.2069e-09 deg/d
Q 3.707118159821086 1.7558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2553  
   data-arc span      40726 days (111.50 yr)  
   first obs. used      1908-10-27  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3695  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:22:46  

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

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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
1988-Nov-03 06:28 < 00:01 Jupiter 1.75137978038643 1.75137887577106 1.75138068501017 4.75438459440821 4.65154917998836 2447468.769173854 0.653826496309696 228.079401033855 20.7295842376911 -79.8909749380943 3357211.1116756 T 41 CATAB v2.0f-lin.ifort 2020-May-20 01:22:58 2020-May-20 01:23
2000-Feb-01 18:40 < 00:01 Jupiter 1.42822338689117 1.42822282438433 1.42822394939972 4.63124357138814 4.501366072853 2451576.277706195 0.356886942890445 97.5255033725152 12.138715936277 -75.2342030396844 3117946.47474496 T 41 CATAB v2.0f-lin.ifort 2020-May-20 01:22:58 2020-May-20 01:23
2011-Jun-26 05:30 < 00:01 Jupiter 1.35230698180395 1.35230650191712 1.35230746169109 4.5253132766177 4.3847180982273 2455738.729169495 0.247190948381147 64.5053722780035 17.0628765964612 -75.5689342212404 2885662.93857768 T 41 CATAB v2.0f-lin.ifort 2020-May-20 01:22:58 2020-May-20 01:23
2022-Nov-17 15:29 < 00:01 Jupiter 1.49495633688056 1.49495571141999 1.49495696234113 4.36665570311941 4.23491539993747 2459901.145165272 0.420960825763182 68.9120729623924 30.2328542564805 89.5167249895249 2648154.35748235 T 41 CATAB v2.0f-lin.ifort 2020-May-20 01:22:58 2020-May-20 01:23
2034-Jan-15 19:41 00:01 Jupiter 1.85671552770319 1.85671438853872 1.85671666686807 3.48323111662287 3.3497031177327 2463978.320147929 1.14366101365888 179.547660840601 55.9565408170913 -79.5096131964755 2643705.67834077 T 41 CATAB v2.0f-lin.ifort 2020-May-20 01:22:58 2020-May-20 01:23
2155-Feb-04 13:28 00:02 Jupiter 1.82615335083325 1.8261502644112 1.82615643739283 4.5878877717145 4.48565007635642 2508192.060805387 2.4705902763912 832.371475300575 29.9483519612153 -79.5670410554317 2819736.30415934 T 41 CATAB v2.0f-lin.ifort 2020-May-20 01:22:58 2020-May-20 01:23
2166-Apr-23 00:37 00:02 Jupiter 1.44198445335787 1.44198254339658 1.44198636334292 4.63390152155807 4.50535704861121 2512287.525795051 1.87851316834956 318.024076159283 18.1491954103033 -73.1165750132377 2857616.80536938 T 41 CATAB v2.0f-lin.ifort 2020-May-20 01:22:58 2020-May-20 01:23
2177-Sep-13 04:31 00:02 Jupiter 1.31525226325023 1.31525178160821 1.3152527448977 4.5918604875803 4.44940250469493 2516448.688085025 1.65288128550679 202.366471793127 16.9072072910284 -85.6031264782227 3142693.08451899 T 41 CATAB v2.0f-lin.ifort 2020-May-20 01:22:58 2020-May-20 01:23
2189-Feb-12 11:34 00:02 Jupiter 1.41550264807996 1.41550097618258 1.41550431998489 4.51590777452688 4.38139740137648 2520618.982041154 2.08339523840826 200.710597764793 35.5518520079656 67.0855272662589 2972600.97797549 T 41 CATAB v2.0f-lin.ifort 2020-May-20 01:22:58 2020-May-20 01:23
2200-May-14 03:12 00:04 Jupiter 1.76012298649541 1.76011907659458 1.76012689639733 4.07098417116936 3.95100668071982 2524726.633594481 3.70518755205226 209.896966257072 89.5275165570453 -8.91681554105949 2850640.24904276 T 41 CATAB v2.0f-lin.ifort 2020-May-20 01:22:58 2020-May-20 01:23

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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