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JPL Small-Body Database Browser
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249304 (2008 UD42)
Classification:
Main-belt Asteroid
SPK-ID:
2249304
[
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 13
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.07225748399980327
1.3102e-07
a
3.015097380594724
5.479e-08
au
q
2.797234029858552
4.2006e-07
au
i
15.221722822554
1.1136e-05
deg
node
228.5604062144798
2.9543e-05
deg
peri
161.3583882635328
6.4342e-05
deg
M
18.98304271530029
5.6356e-05
deg
t
p
2458499.664428008313
(2019-Jan-16.16442801)
0.00029834
TDB
period
1912.275416614261
5.24
5.2124e-05
1.427e-07
d
yr
n
.1882574010376551
5.1315e-09
deg/d
Q
3.232960731330896
5.8749e-08
au
Orbit Determination Parameters
# obs. used (total)
149
data-arc span
5473 days (14.98 yr)
first obs. used
2003-11-16
last obs. used
2018-11-10
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.53355
source
ORB
producer
Otto Matic
solution date
2019-Jul-14 11:21:17
Additional Information
Earth MOID
= 1.80734 au
Jupiter MOID
= 2.17819 au
T_jup
= 3.191
[ 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
16.0
n/a
MPO460090
diameter
diameter
4.314
km
1.223
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.050
0.021
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
249304 (2008 UD42)
Discovered 2008-Oct-20 by Spacewatch at Kitt Peak
Reference:
20100824/Numbers.arc
Last Updated:
2010-08-27
[ show close-approach data ]
Alternate Designations
2008 UD42
= 2003 XO27
[
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
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2019-Dec-05 15:46 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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