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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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1481276597889684 3.7835e-08  
a 3.228837961009949 1.4649e-08 au
q 2.750557750007761 1.2156e-07 au
i 18.78503937549784 4.9048e-06 deg
node 45.2343853730877 1.0589e-05 deg
peri 136.4256465985871 1.8497e-05 deg
M 44.0279444680481 1.371e-05 deg
tp 2458741.324639119190
(2019-Sep-14.82463912)
8.098e-05 TDB
period 2119.179785574666
5.80
1.4422e-05
3.949e-08
d
yr
n .1698770450957172 1.1561e-09 deg/d
Q 3.707118172012137 1.6819e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2747  
   data-arc span      40826 days (111.78 yr)  
   first obs. used      1908-10-27  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35927  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:32:30  

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 1.75137977059404 1.75137887667111 1.75138066452532 4.75438447430466 4.65154905664826 2447468.769193254 0.6389375084243 226.704607967635 19.8934760683726 -79.8788155394688 3382556.20058695 T 43 CATAB v2.0f-lin.ifort 2020-Aug-24 22:32:50 2020-Aug-24 22:33
2000-Feb-01 18:40 < 00:01 Jupiter 1.42822338906824 1.42822283066019 1.42822394747799 4.6312433518558 4.50136584718734 2451576.277714811 0.353422224021714 96.256555871436 11.7979161664146 -75.0851211389736 3147186.80024763 T 43 CATAB v2.0f-lin.ifort 2020-Aug-24 22:32:50 2020-Aug-24 22:33
2011-Jun-26 05:30 < 00:01 Jupiter 1.3523069974848 1.35230653461408 1.35230746035583 4.52531304481587 4.38471786064922 2455738.729175629 0.245846475817755 62.4467701055579 16.8202044983347 -76.2279395425597 2914190.41440031 T 43 CATAB v2.0f-lin.ifort 2020-Aug-24 22:32:50 2020-Aug-24 22:33
2022-Nov-17 15:29 < 00:01 Jupiter 1.49495637012471 1.49495574992412 1.49495699032522 4.36665534111463 4.23491502964655 2459901.145152755 0.412211081904951 65.4407597285822 29.7828490416743 88.5003472886465 2670333.70509314 T 43 CATAB v2.0f-lin.ifort 2020-Aug-24 22:32:50 2020-Aug-24 22:33
2034-Jan-15 19:41 00:01 Jupiter 1.85671556985829 1.85671446098512 1.85671667873189 3.48323028560694 3.34970225668233 2463978.320095471 1.09851428802797 173.827670026069 53.757782898825 -79.2993963842223 2680080.62775809 T 43 CATAB v2.0f-lin.ifort 2020-Aug-24 22:32:50 2020-Aug-24 22:33
2155-Feb-04 13:27 00:02 Jupiter 1.82615320630139 1.82615036171237 1.82615605100501 4.58788770996992 4.48565000502068 2508192.060750957 2.25410312227508 762.084242888264 29.0386028391866 -79.52928738744 2848351.23274347 T 43 CATAB v2.0f-lin.ifort 2020-Aug-24 22:32:50 2020-Aug-24 22:33
2166-Apr-23 00:37 00:02 Jupiter 1.44198438002536 1.44198262352634 1.44198613654429 4.63390132465659 4.50535683946141 2512287.525757403 1.71180693254418 291.612917636571 17.0928962538367 -73.1044398382046 2917098.72855194 T 43 CATAB v2.0f-lin.ifort 2020-Aug-24 22:32:50 2020-Aug-24 22:33
2177-Sep-13 04:31 00:02 Jupiter 1.31525226876549 1.31525180512748 1.31525273240761 4.59186024095953 4.44940225078496 2516448.688049098 1.50994276711244 185.355594396223 16.8203031766008 -85.6087778591104 3169994.4289819 T 43 CATAB v2.0f-lin.ifort 2020-Aug-24 22:32:50 2020-Aug-24 22:33
2189-Feb-12 11:34 00:02 Jupiter 1.41550273510018 1.41550118362199 1.41550428658456 4.51590742370169 4.381397048177 2520618.981984623 1.91384968840786 183.682778926699 34.5120825207705 66.9378635924496 2980334.88009922 T 43 CATAB v2.0f-lin.ifort 2020-Aug-24 22:32:50 2020-Aug-24 22:33
2200-May-14 03:12 00:03 Jupiter 1.76012315789325 1.76011956252319 1.76012675326442 4.07098338276583 3.95100588023597 2524726.633486168 3.41288432753143 193.812870343674 85.4407510986588 -10.4348068254322 2852765.71059846 T 43 CATAB v2.0f-lin.ifort 2020-Aug-24 22:32:50 2020-Aug-24 22:33

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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