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JPL Small-Body Database Browser
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243337 (2008 TW187)
Classification:
Main-belt Asteroid
SPK-ID:
2243337
[
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
.1922809607396471
5.1098e-08
a
3.042853581220919
4.1792e-08
au
q
2.457770771233685
1.6215e-07
au
i
12.28261325910091
8.8995e-06
deg
node
167.4529460950085
2.7888e-05
deg
peri
272.9371216442236
3.8458e-05
deg
M
324.3114963587935
2.6657e-05
deg
t
p
2458792.696665142521
(2019-Nov-05.19666514)
0.0001458
TDB
period
1938.741958668698
5.31
3.9942e-05
1.094e-07
d
yr
n
.1856874239453744
3.8255e-09
deg/d
Q
3.627936391208154
4.9828e-08
au
Orbit Determination Parameters
# obs. used (total)
211
data-arc span
8959 days (24.53 yr)
first obs. used
1994-03-05
last obs. used
2018-09-14
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.67993
source
ORB
producer
Otto Matic
solution date
2018-Oct-04 09:32:35
Additional Information
Earth MOID
= 1.51047 au
Jupiter MOID
= 1.81585 au
T_jup
= 3.177
[ 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
15.9
n/a
MPO454785
diameter
diameter
4.219
km
0.955
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.047
0.031
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
243337 (2008 TW187)
Discovered 2008-Oct-08 by CSS at Catalina
Reference:
20100626/Numbers.arc
Last Updated:
2010-06-28
[ show close-approach data ]
Alternate Designations
2008 TW187
= 1994 EK4
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-08 16:06 UT
(server date/time)
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