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JPL Small-Body Database Browser
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1045 Michela (A924 WN)
Classification:
Main-belt Asteroid
SPK-ID:
2001045
[
Ephemeris
|
Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
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Discovery Circumstances
]
[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference:
JPL 31
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1598698855155744
2.6475e-08
a
2.358474764549856
5.7172e-09
au
q
1.981425673949899
6.289e-08
au
i
.2648102539654769
3.16e-06
deg
node
267.6791820551498
0.00078582
deg
peri
166.9150798739041
0.00078591
deg
M
8.901152383271741
1.1942e-05
deg
t
p
2458567.789362164871
(2019-Mar-25.28936216)
4.3862e-05
TDB
period
1322.955625698198
3.62
4.8105e-06
1.317e-08
d
yr
n
.2721179705555186
9.8947e-10
deg/d
Q
2.735523855149813
6.6312e-09
au
Orbit Determination Parameters
# obs. used (total)
2725
data-arc span
24132 days (66.07 yr)
first obs. used
1953-11-11
last obs. used
2019-12-07
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.45609
source
ORB
producer
Otto Matic
solution date
2019-Dec-13 20:52:52
Additional Information
Earth MOID
= .996277 au
Jupiter MOID
= 2.5159 au
T_jup
= 3.535
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
13.0
n/a
MPO421637
diameter
diameter
6.104
km
0.265
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.328
0.077
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
SMASSII spectral type
spec_B
S
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)
1045 Michela (A924 WN)
Discovered 1924-Nov-19 by Van Biesbroeck, G. at Williams Bay
Reference:
DISCOVERY.DB
Last Updated:
2003-08-29
Alternate Designations
A924 WN
= 1953 VB2 = 1964 XJ = 1976 AL
[
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Orbital Elements
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Mission Design
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2019-Dec-16 14:08 UT
(server date/time)
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