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JPL Small-Body Database Browser
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146423 (2001 QK228)
Classification:
Main-belt Asteroid
SPK-ID:
2146423
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference:
JPL 19
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.07301545915187074
4.8237e-08
a
2.64620653745601
1.8603e-08
au
q
2.452992552112978
1.2783e-07
au
i
14.32251631689424
5.8857e-06
deg
node
195.6056904513866
1.8947e-05
deg
peri
235.1484933130679
4.1624e-05
deg
M
314.0360586474827
3.7074e-05
deg
t
p
2458801.246875733941
(2019-Nov-13.74687573)
0.00016179
TDB
period
1572.295002074725
4.30
1.658e-05
4.539e-08
d
yr
n
.2289646659977684
2.4144e-09
deg/d
Q
2.839420522799043
1.9961e-08
au
Orbit Determination Parameters
# obs. used (total)
460
data-arc span
6670 days (18.26 yr)
first obs. used
2001-08-24
last obs. used
2019-11-28
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.5595
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 12:58:47
Additional Information
Earth MOID
= 1.49008 au
Jupiter MOID
= 2.41182 au
T_jup
= 3.345
[ show covariance matrix ]
[
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
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.4
n/a
MPO449800
diameter
diameter
2.666
km
0.541
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.227
0.081
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
146423 (2001 QK228)
Discovered 2001-Aug-24 by LONEOS at Anderson Mesa
Reference:
20070106/Numbers.arc
Last Updated:
2007-01-09
[ show close-approach data ]
[
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
]
2019-Dec-10 19:49 UT
(server date/time)
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Ryan S. Park
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