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JPL Small-Body Database Browser
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117339 (2004 XO20)
Classification:
Main-belt Asteroid
SPK-ID:
2117339
[
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 24
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.07105671122702521
4.0257e-08
a
3.199523604959095
3.3985e-08
au
q
2.972175980097466
1.3536e-07
au
i
14.46268333438267
4.6761e-06
deg
node
78.75350844336792
2.1195e-05
deg
peri
30.42786061242429
4.5372e-05
deg
M
160.1664686670898
3.9273e-05
deg
t
p
2457670.473112489234
(2016-Oct-08.97311249)
0.0002285
TDB
period
2090.385598747178
5.72
3.3306e-05
9.119e-08
d
yr
n
.1722170303008963
2.7439e-09
deg/d
Q
3.426871229820724
3.64e-08
au
Orbit Determination Parameters
# obs. used (total)
862
data-arc span
7205 days (19.73 yr)
first obs. used
1998-10-19
last obs. used
2018-07-11
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.54345
source
ORB
producer
Otto Matic
solution date
2018-Oct-04 04:36:08
Additional Information
Earth MOID
= 1.99773 au
Jupiter MOID
= 1.81793 au
T_jup
= 3.141
[ 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
14.0
n/a
MPO449686
diameter
diameter
9.021
km
0.276
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.060
0.011
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
117339 (2004 XO20)
Discovered 2004-Dec-08 by LINEAR at Socorro
Reference:
20051019/Numbers.arc
Last Updated:
2005-10-26
[ show close-approach data ]
Alternate Designations
2004 XO20
= 2000 EW121
[
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-10 16:39 UT
(server date/time)
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Ryan S. Park
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