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14921 (1994 QA)
Classification:
Main-belt Asteroid
SPK-ID:
2014921
[
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 2459200.5 (2020-Dec-17.0) TDB
Reference:
JPL 34
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2232569450173109
2.4991e-08
a
2.332278319726472
7.5047e-09
au
q
1.811580987134233
6.0817e-08
au
i
25.10753253779269
1.0856e-06
deg
node
69.33485480732674
6.238e-06
deg
peri
121.2593484534074
8.4505e-06
deg
M
312.3084642231711
5.0439e-06
deg
t
p
2459372.848614642897
(2021-Jun-07.34861464)
1.8789e-05
TDB
period
1300.975115621835
3.56
6.2793e-06
1.719e-08
d
yr
n
.2767155156752776
1.3356e-09
deg/d
Q
2.852975652318711
9.1802e-09
au
Orbit Determination Parameters
# obs. used (total)
1802
data-arc span
16179 days (44.30 yr)
first obs. used
1976-11-17
last obs. used
2021-03-05
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.46292
source
ORB
producer
Otto Matic
solution date
2021-Mar-17 00:21:24
Additional Information
Earth MOID
= .892784 au
Jupiter MOID
= 2.33882 au
T_jup
= 3.413
[ show covariance matrix ]
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
14.03
n/a
E2021B10
diameter
diameter
3.658
km
0.121
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
rotation period
rot_per
12.9134
h
n/a
LCDB (Rev. 2020-October); Warner et al., 2009
Published Reference List:
[Galad, A.; Kornos, L.; Gajdos, S. (2009) Minor Planet Bull. 36, 13-15.]
geometric albedo
albedo
0.692
0.054
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
14921 (1994 QA)
Discovered 1994-Aug-16 by Garradd, G. J. at Siding Spring
Reference:
20000523/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
1994 QA
= 1950 GG = 1992 BV3
[
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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Close-Approach Data
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2021-Apr-11 19:50 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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