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JPL Small-Body Database Browser
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233823 (2008 UM208)
Classification:
Main-belt Asteroid
SPK-ID:
2233823
[
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
.01537146102293163
7.025e-08
a
2.915119675520567
3.7883e-08
au
q
2.870310027051122
1.9638e-07
au
i
2.926912981061876
6.8771e-06
deg
node
.945089379244494
0.00013077
deg
peri
166.9970194423818
0.00024334
deg
M
273.7093499701646
0.00020644
deg
t
p
2459036.256876976489
(2020-Jul-05.75687698)
0.0010437
TDB
period
1817.954502107664
4.98
3.5437e-05
9.702e-08
d
yr
n
.1980247578157926
3.8601e-09
deg/d
Q
2.959929323990013
3.8465e-08
au
Orbit Determination Parameters
# obs. used (total)
165
data-arc span
5474 days (14.99 yr)
first obs. used
2003-10-21
last obs. used
2018-10-16
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.5368
source
ORB
producer
Otto Matic
solution date
2018-Oct-31 04:04:26
Additional Information
Earth MOID
= 1.87476 au
Jupiter MOID
= 2.00267 au
T_jup
= 3.280
[ 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
16.3
n/a
MPO418249
diameter
diameter
3.647
km
0.841
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.033
0.011
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
233823 (2008 UM208)
Discovered 2008-Oct-23 by Spacewatch at Kitt Peak
Reference:
20100228/Numbers.arc
Last Updated:
2010-03-03
[
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 02:51 UT
(server date/time)
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Ryan S. Park
Webmaster
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Alan B. Chamberlin