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JPL Small-Body Database Browser
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226944 (2004 TZ344)
Classification:
Main-belt Asteroid
SPK-ID:
2226944
[
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 18
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1185606565436679
4.8109e-08
a
2.811669100210588
2.6479e-08
au
q
2.478315765706077
1.4268e-07
au
i
12.91945794588238
5.6922e-06
deg
node
53.22693205120505
2.445e-05
deg
peri
63.55596512268592
3.7131e-05
deg
M
330.5663725638217
2.7083e-05
deg
t
p
2458741.294609180467
(2019-Sep-14.79460918)
0.00013023
TDB
period
1722.045963069695
4.71
2.4326e-05
6.66e-08
d
yr
n
.2090536534566528
2.9532e-09
deg/d
Q
3.1450224347151
2.9619e-08
au
Orbit Determination Parameters
# obs. used (total)
417
data-arc span
6571 days (17.99 yr)
first obs. used
2001-01-06
last obs. used
2019-01-03
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.58304
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 19:21:01
Additional Information
Earth MOID
= 1.52555 au
Jupiter MOID
= 2.09946 au
T_jup
= 3.273
[ 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
15.2
n/a
MPO418211
diameter
diameter
4.280
km
0.184
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.096
0.015
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
226944 (2004 TZ344)
Discovered 2004-Oct-15 by Spacewatch at Kitt Peak
Reference:
20091202/Numbers.arc
Last Updated:
2009-12-04
[
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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2019-Dec-10 06:03 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin