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JPL Small-Body Database Browser
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243584 (1997 TU20)
Classification:
Main-belt Asteroid
SPK-ID:
2243584
[
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 14
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.220678871380569
8.1568e-08
a
2.639698209721945
2.0897e-08
au
q
2.057172588015198
2.1994e-07
au
i
1.126150025072716
7.8361e-06
deg
node
297.1831927223091
0.00028832
deg
peri
54.69949554847645
0.00028893
deg
M
18.87376117764072
1.6263e-05
deg
t
p
2458518.373030374066
(2019-Feb-03.87303037)
7.0338e-05
TDB
period
1566.497996189657
4.29
1.8601e-05
5.093e-08
d
yr
n
.229811976061037
2.7289e-09
deg/d
Q
3.222223831428693
2.5508e-08
au
Orbit Determination Parameters
# obs. used (total)
261
data-arc span
7140 days (19.55 yr)
first obs. used
1997-09-30
last obs. used
2017-04-18
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.53886
source
ORB
producer
Otto Matic
solution date
2018-Oct-04 09:33:34
Additional Information
Earth MOID
= 1.05098 au
Jupiter MOID
= 2.21458 au
T_jup
= 3.360
[ show covariance matrix ]
[
Ephemeris
|
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
MPO454788
diameter
diameter
2.655
km
0.133
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.052
0.010
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
243584 (1997 TU20)
Discovered 1997-Oct-04 by Spacewatch at Kitt Peak
Reference:
20100726/Numbers.arc
Last Updated:
2010-07-28
[
Ephemeris
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Orbit Diagram
|
Orbital Elements
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Mission Design
|
Physical Parameters
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Discovery Circumstances
]
2019-Dec-06 18:20 UT
(server date/time)
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Ryan S. Park
Webmaster
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