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910 Anneliese (A919 EC)
Classification:
Main-belt Asteroid
SPK-ID:
2000910
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
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Discovery Circumstances
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Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference:
JPL 40
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1546193397650729
3.6104e-08
a
2.927285926661148
9.1399e-09
au
q
2.474670909377212
1.0743e-07
au
i
9.206418481187926
4.1152e-06
deg
node
49.9231589066264
1.9226e-05
deg
peri
208.4801763666786
2.2221e-05
deg
M
20.36842550546015
1.0867e-05
deg
t
p
2459096.997437449328
(2020-Sep-04.49743745)
5.5211e-05
TDB
period
1829.347217253168
5.01
8.5677e-06
2.346e-08
d
yr
n
.1967915093453681
9.2167e-10
deg/d
Q
3.379900943945084
1.0553e-08
au
Orbit Determination Parameters
# obs. used (total)
3355
data-arc span
37105 days (101.59 yr)
first obs. used
1919-03-01
last obs. used
2020-10-01
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.41773
source
ORB
producer
Otto Matic
solution date
2020-Nov-13 04:24:30
Additional Information
Earth MOID
= 1.4628 au
Jupiter MOID
= 1.68665 au
T_jup
= 3.241
[ show covariance matrix ]
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
10.54
n/a
E2021B10
diameter
diameter
48.590
km
0.216
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)
rotation period
rot_per
11.2863
h
n/a
LCDB (Rev. 2020-October); Warner et al., 2009
Published Reference List:
[Alvarez, E.M. (2015) Minor Planet Bull. 42, 252-253.]
[Oey, J.; Groom, R. (2018) Minor Planet Bull. 45, 363-366.]
geometric albedo
albedo
0.057
0.013
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)
SMASSII spectral type
spec_B
Ch
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)
910 Anneliese (A919 EC)
Discovered 1919-Mar-01 by Reinmuth, K. at Heidelberg
Reference:
DISCOVERY.DB
Last Updated:
2003-08-29
[ show close-approach data ]
Alternate Designations
A919 EC
= 1946 SJ = 1975 AH = A924 BD
[
Ephemeris
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Orbit Diagram
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Orbital Elements
|
Mission Design
|
Physical Parameters
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Discovery Circumstances
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Close-Approach Data
]
2021-Mar-07 07:41 UT
(server date/time)
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