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1216 Askania (1932 BL)
Classification:
Main-belt Asteroid
SPK-ID:
2001216
[
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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[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference:
JPL 35
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1794421695495353
3.2471e-08
a
2.232023315052252
5.3806e-09
au
q
1.83150420891413
7.2502e-08
au
i
7.602144983995252
3.2664e-06
deg
node
121.5875270625188
3.2153e-05
deg
peri
144.5404162492509
3.4497e-05
deg
M
69.97701801814975
1.3913e-05
deg
t
p
2458763.744842805551
(2019-Oct-07.24484281)
4.6885e-05
TDB
period
1217.997837059807
3.33
4.4042e-06
1.206e-08
d
yr
n
.2955670273348138
1.0688e-09
deg/d
Q
2.632542421190374
6.3461e-09
au
Orbit Determination Parameters
# obs. used (total)
2712
data-arc span
41749 days (114.30 yr)
first obs. used
1906-07-29
last obs. used
2020-11-16
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.39679
source
ORB
producer
Otto Matic
solution date
2020-Dec-18 01:59:14
Additional Information
Earth MOID
= .821448 au
Jupiter MOID
= 2.47209 au
T_jup
= 3.609
[ show covariance matrix ]
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
12.2
n/a
MPO492764
diameter
diameter
10.533
km
0.089
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)
rotation period
rot_per
6.536
h
n/a
LCDB (Rev. 2020-October); Warner et al., 2009
Published Reference List:
[Menke, J.; Cooney, W.; Gross, J.; Terrell, D. (2008) Minor Planet Bull. 35, 155-160.]
geometric albedo
albedo
0.064
0.009
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)
B-V
BV
0.903
0.046
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2
#obs=1; phase=7.60 deg.
Tholen spectral type
spec_T
S
n/a
EAR-A-5-DDR-TAXONOMY-V4.0
used 2 color indices
1216 Askania (1932 BL)
Discovered 1932-Jan-29 by Reinmuth, K. at Heidelberg
Reference:
DISCOVERY.DB
Last Updated:
2003-08-29
Alternate Designations
1932 BL
= 1952 DH = 1984 YY6 = A909 GF
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2021-Jan-25 21:51 UT
(server date/time)
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