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JPL Small-Body Database Browser
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226563 (2003 WT68)
Classification:
Outer Main-belt Asteroid
SPK-ID:
2226563
[
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 13
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.048252383716791
8.8352e-08
a
3.235603924999141
5.6254e-08
au
q
3.079478322854527
2.795e-07
au
i
19.44726148625274
1.1877e-05
deg
node
243.6184839907889
2.2262e-05
deg
peri
226.9659826131276
0.00011033
deg
M
189.9387294647116
0.00011101
deg
t
p
2459604.732739322913
(2022-Jan-25.23273932)
0.00066519
TDB
period
2125.844320804549
5.82
5.544e-05
1.518e-07
d
yr
n
.1693444794977997
4.4163e-09
deg/d
Q
3.391729527143755
5.8968e-08
au
Orbit Determination Parameters
# obs. used (total)
250
data-arc span
7481 days (20.48 yr)
first obs. used
1998-01-17
last obs. used
2018-07-12
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.59833
source
ORB
producer
Otto Matic
solution date
2018-Oct-04 08:46:20
Additional Information
Earth MOID
= 2.12014 au
Jupiter MOID
= 1.88832 au
T_jup
= 3.094
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
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Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
14.6
n/a
MPO268233
diameter
diameter
6.604
km
0.370
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.064
0.007
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
226563 (2003 WT68)
Discovered 2003-Nov-19 by Spacewatch at Kitt Peak
Reference:
20091202/Numbers.arc
Last Updated:
2009-12-04
[ show close-approach data ]
[
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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
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2019-Dec-11 01:56 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin