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JPL Small-Body Database Browser
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266892 (2009 WL50)
Classification:
Main-belt Asteroid
SPK-ID:
2266892
[
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 14
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.08817234409347957
5.8277e-08
a
2.975619819049197
3.7231e-08
au
q
2.713252444472614
1.7333e-07
au
i
10.96089073110882
5.1499e-06
deg
node
90.04668615078823
3.289e-05
deg
peri
292.8651455815225
4.3773e-05
deg
M
321.2295810921017
2.7563e-05
deg
t
p
2458802.412210594375
(2019-Nov-14.91221059)
0.0001433
TDB
period
1874.841641165936
5.13
3.5187e-05
9.634e-08
d
yr
n
.1920162173142908
3.6037e-09
deg/d
Q
3.23798719362578
4.0513e-08
au
Orbit Determination Parameters
# obs. used (total)
310
data-arc span
8188 days (22.42 yr)
first obs. used
1997-05-31
last obs. used
2019-10-31
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.6092
source
ORB
producer
Otto Matic
solution date
2019-Nov-08 04:07:12
Additional Information
Earth MOID
= 1.7405 au
Jupiter MOID
= 2.19113 au
T_jup
= 3.228
[ 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
15.5
n/a
MPO454983
diameter
diameter
2.911
km
0.465
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.132
0.023
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
266892 (2009 WL50)
Discovered 2009-Nov-19 by La Sagra at La Sagra
Reference:
20110218/Numbers.arc
Last Updated:
2011-02-22
[ show close-approach data ]
Alternate Designations
2009 WL50
= 1997 KJ4 = 2007 HF55
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-14 21:26 UT
(server date/time)
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Ryan S. Park
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