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JPL Small-Body Database Browser
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266812 (2009 SL361)
Classification:
Main-belt Asteroid
SPK-ID:
2266812
[
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
.09891907721575705
8.2606e-08
a
3.101346495341634
7.1751e-08
au
q
2.794564161896118
2.9703e-07
au
i
9.071338797259248
1.5993e-05
deg
node
324.760248096136
4.2853e-05
deg
peri
92.97965794570035
0.00012145
deg
M
245.9148947935597
0.00012057
deg
t
p
2459232.693910910624
(2021-Jan-18.19391091)
0.00068393
TDB
period
1994.91254810165
5.46
6.923e-05
1.895e-07
d
yr
n
.180459038338585
6.2625e-09
deg/d
Q
3.408128828787151
7.8849e-08
au
Orbit Determination Parameters
# obs. used (total)
197
data-arc span
5823 days (15.94 yr)
first obs. used
2003-09-18
last obs. used
2019-08-28
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.57298
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 04:36:55
Additional Information
Earth MOID
= 1.8253 au
Jupiter MOID
= 1.91414 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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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
MPO454983
diameter
diameter
2.997
km
0.428
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.149
0.035
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
266812 (2009 SL361)
Discovered 2009-Sep-18 by CSS at Catalina
Reference:
20110218/Numbers.arc
Last Updated:
2011-02-22
[ show close-approach data ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
|
Mission Design
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Physical Parameters
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Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-11 03:27 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin