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JPL Small-Body Database Browser
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243368 (2008 WS89)
Classification:
Main-belt Asteroid
SPK-ID:
2243368
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
[ 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
.1883295077521953
4.5258e-08
a
2.599116983000819
2.2825e-08
au
q
2.109626561001904
1.1743e-07
au
i
3.558534850180508
7.8357e-06
deg
node
237.6224338048067
9.6853e-05
deg
peri
235.3632636529003
9.9742e-05
deg
M
146.5582169971772
2.5631e-05
deg
t
p
2457977.418524900707
(2017-Aug-11.91852490)
0.00010534
TDB
period
1530.513509454512
4.19
2.0161e-05
5.52e-08
d
yr
n
.2352151730619529
3.0984e-09
deg/d
Q
3.088607404999735
2.7124e-08
au
Orbit Determination Parameters
# obs. used (total)
257
data-arc span
8315 days (22.77 yr)
first obs. used
1995-08-31
last obs. used
2018-06-06
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.61547
source
ORB
producer
Otto Matic
solution date
2018-Oct-04 09:32:42
Additional Information
Earth MOID
= 1.12884 au
Jupiter MOID
= 2.04301 au
T_jup
= 3.388
[ 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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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.7
n/a
MPO437136
diameter
diameter
2.453
km
0.443
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.067
0.024
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
243368 (2008 WS89)
Discovered 2008-Nov-22 by Spacewatch at Kitt Peak
Reference:
20100626/Numbers.arc
Last Updated:
2010-06-28
Alternate Designations
2008 WS89
= 2004 XG168
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-06 00:54 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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