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1323 Tugela (1934 LD)
Classification:
Outer Main-belt Asteroid
SPK-ID:
2001323
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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Physical Parameters
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Discovery Circumstances
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Close-Approach Data
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[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference:
JPL 44
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1481276626835592
3.7586e-08
a
3.228837960219198
1.4601e-08
au
q
2.750557739987977
1.2063e-07
au
i
18.78503923218908
4.8854e-06
deg
node
45.23438577354511
1.0531e-05
deg
peri
136.4256465644882
1.8445e-05
deg
M
44.02794449953759
1.3708e-05
deg
t
p
2458741.324639029033
(2019-Sep-14.82463903)
8.0969e-05
TDB
period
2119.179784796177
5.80
1.4374e-05
3.935e-08
d
yr
n
.1698770451581222
1.1523e-09
deg/d
Q
3.707118180450419
1.6764e-08
au
Orbit Determination Parameters
# obs. used (total)
2810
data-arc span
40878 days (111.92 yr)
first obs. used
1908-10-27
last obs. used
2020-09-27
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.35722
source
ORB
producer
Otto Matic
solution date
2020-Nov-13 04:20:11
Additional Information
Earth MOID
= 1.77977 au
Jupiter MOID
= 1.35883 au
T_jup
= 3.087
[ show covariance matrix ]
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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. 2020-October); 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.DB
Last Updated:
2003-08-29
[ show close-approach data ]
Alternate Designations
1934 LD
= 1974 HR3 = 1974 KM = 1974 KO = A908 UB = A911 HC
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2021-Jan-21 09:42 UT
(server date/time)
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