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JPL Small-Body Database Browser
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173740 (2001 QX287)
Classification:
Main-belt Asteroid
SPK-ID:
2173740
[
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 16
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1192510999411773
5.8869e-08
a
2.984845953706164
2.5199e-08
au
q
2.628899790571732
1.7889e-07
au
i
10.88936992914328
6.6429e-06
deg
node
329.9860553118968
2.4796e-05
deg
peri
345.4795404118133
3.153e-05
deg
M
177.2558587246518
2.1763e-05
deg
t
p
2457673.073698540672
(2016-Oct-11.57369854)
0.00010864
TDB
period
1883.568029443784
5.16
2.3852e-05
6.53e-08
d
yr
n
.1911266247741037
2.4203e-09
deg/d
Q
3.340792116840596
2.8204e-08
au
Orbit Determination Parameters
# obs. used (total)
548
data-arc span
6463 days (17.69 yr)
first obs. used
2001-07-22
last obs. used
2019-04-02
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.5871
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 09:41:19
Additional Information
Earth MOID
= 1.61635 au
Jupiter MOID
= 1.97769 au
T_jup
= 3.220
[ 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
14.9
n/a
MPO433116
diameter
diameter
3.828
km
0.954
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.159
0.084
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
173740 (2001 QX287)
Discovered 2001-Aug-17 by LINEAR at Socorro
Reference:
20080122/Numbers.arc
Last Updated:
2008-01-28
[ show close-approach data ]
[
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Orbit Diagram
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Orbital Elements
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Physical Parameters
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Close-Approach Data
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2019-Dec-12 21:51 UT
(server date/time)
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Ryan S. Park
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