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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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1481276590405535 3.8271e-08  
a 3.228837961301233 1.4748e-08 au
q 2.750557752672408 1.232e-07 au
i 18.7850394703618 4.928e-06 deg
node 45.23438501450949 1.0719e-05 deg
peri 136.4256469051173 1.8598e-05 deg
M 44.02794438342011 1.3713e-05 deg
tp 2458741.324639582291
(2019-Sep-14.82463958)
8.0998e-05 TDB
period 2119.179785861434
5.80
1.4519e-05
3.975e-08
d
yr
n .1698770450727295 1.1639e-09 deg/d
Q 3.707118169930058 1.6933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2664  
   data-arc span      40776 days (111.64 yr)  
   first obs. used      1908-10-27  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36411  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:29:31  

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 1.75137976904132 1.75137887387974 1.75138066421126 4.75438449793969 4.65154908071362 2447468.769193796 0.641166145562223 227.048303500831 20.0924610839705 -79.9015702348911 3373546.30731147 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:45 2020-Jun-23 15:29
2000-Feb-01 18:40 < 00:01 Jupiter 1.42822338927527 1.42822282988326 1.42822394866891 4.63124338149659 4.50136587770245 2451576.277714425 0.353931327031582 96.6557090572126 11.8770657653826 -75.1324173128657 3137849.00949008 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:45 2020-Jun-23 15:29
2011-Jun-26 05:30 < 00:01 Jupiter 1.35230699758918 1.35230653169971 1.35230746347896 4.52531309793612 4.38471791548378 2455738.729178749 0.245999818610639 62.9453389752078 16.856462052222 -76.1148466158348 2906467.29982596 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:45 2020-Jun-23 15:29
2022-Nov-17 15:29 < 00:01 Jupiter 1.49495636812858 1.49495574746333 1.49495698879383 4.36665532820851 4.2349150161603 2459901.145149985 0.413716128216502 66.1996168481994 29.8454607932523 88.7285940178721 2664333.33220006 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:45 2020-Jun-23 15:29
2034-Jan-15 19:41 00:01 Jupiter 1.85671556519923 1.85671445136368 1.8567166790352 3.48323052295677 3.34970250315182 2463978.320113195 1.10614379935772 175.210156663303 54.176519245555 -79.4163064274171 2672884.05061066 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:45 2020-Jun-23 15:29
2155-Feb-04 13:27 00:02 Jupiter 1.82615323387601 1.82615034893678 1.82615611893368 4.58788772824567 4.48565002527434 2508192.060759973 2.29040163804851 774.080401016606 29.305993734116 -79.5413756724194 2836830.55389465 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:45 2020-Jun-23 15:29
2166-Apr-23 00:37 00:02 Jupiter 1.44198439594652 1.44198261359245 1.44198617832116 4.63390135251071 4.50535686954978 2512287.525769836 1.73958012937725 296.195251818609 17.3387748649463 -73.1163757405465 2897485.58538112 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:45 2020-Jun-23 15:29
2177-Sep-13 04:31 00:02 Jupiter 1.31525226968951 1.31525180282681 1.31525273655655 4.59186024326087 4.44940225326167 2516448.688052923 1.53342151373542 188.280210555764 16.8359946333871 -85.5998160319153 3158873.41477303 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:45 2020-Jun-23 15:29
2189-Feb-12 11:34 00:02 Jupiter 1.4155027187381 1.41550114793215 1.41550428955049 4.51590759101536 4.38139721904856 2520618.982013309 1.94143083191923 186.574410822823 34.7249442716705 66.9907094494803 2975870.93917423 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:45 2020-Jun-23 15:29
2200-May-14 03:12 00:03 Jupiter 1.76012312191785 1.76011947492643 1.76012676891037 4.07098342898528 3.95100592536948 2524726.633503653 3.46045340603785 196.415211769603 86.4584406257881 -10.1317444311449 2851535.94027716 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:29:45 2020-Jun-23 15:29

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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