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JPL Small-Body Database Browser
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249475 (2009 KL23)
Classification:
Main-belt Asteroid
SPK-ID:
2249475
[
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 12
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.08064691869070319
7.1159e-08
a
3.086317960167471
5.5684e-08
au
q
2.837415926580188
2.1745e-07
au
i
10.53034277942421
7.1765e-06
deg
node
94.99313906051293
4.7319e-05
deg
peri
236.3090784637525
7.0093e-05
deg
M
209.6822984644379
5.5515e-05
deg
t
p
2459427.426770481007
(2021-Jul-31.92677048)
0.0003138
TDB
period
1980.429678820855
5.42
5.3597e-05
1.467e-07
d
yr
n
.1817787341049865
4.9195e-09
deg/d
Q
3.335219993754754
6.0175e-08
au
Orbit Determination Parameters
# obs. used (total)
191
data-arc span
4950 days (13.55 yr)
first obs. used
2005-09-13
last obs. used
2019-04-03
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.6213
source
ORB
producer
Otto Matic
solution date
2019-Jul-14 12:19:02
Additional Information
Earth MOID
= 1.84093 au
Jupiter MOID
= 1.94675 au
T_jup
= 3.195
[ 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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Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.4
n/a
MPO300178
diameter
diameter
3.270
km
1.139
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.137
0.050
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
249475 (2009 KL23)
Discovered 2009-May-27 by Spacewatch at Kitt Peak
Reference:
20100824/Numbers.arc
Last Updated:
2010-08-27
[ show close-approach data ]
Alternate Designations
2009 KL23
= 2005 TF68
[
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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2019-Dec-10 00:00 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin