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JPL Small-Body Database Browser
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226978 (2004 XB20)
Classification:
Main-belt Asteroid
SPK-ID:
2226978
[
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 18
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1377469039215558
5.2596e-08
a
2.96397462255345
2.7917e-08
au
q
2.55569629499465
1.5193e-07
au
i
8.386929665287749
5.4997e-06
deg
node
249.1685899881809
3.056e-05
deg
peri
123.3184624798998
3.5934e-05
deg
M
346.7512058450143
1.8109e-05
deg
t
p
2458669.093663726905
(2019-Jul-04.59366373)
9.388e-05
TDB
period
1863.846524658476
5.10
2.6333e-05
7.21e-08
d
yr
n
.1931489504297919
2.7289e-09
deg/d
Q
3.372252950112249
3.1763e-08
au
Orbit Determination Parameters
# obs. used (total)
462
data-arc span
7769 days (21.27 yr)
first obs. used
1998-08-27
last obs. used
2019-12-04
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.52881
source
ORB
producer
Otto Matic
solution date
2019-Dec-14 15:37:31
Additional Information
Earth MOID
= 1.56788 au
Jupiter MOID
= 2.15061 au
T_jup
= 3.235
[ 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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Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.3
n/a
MPO454631
diameter
diameter
3.038
km
0.336
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.145
0.075
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
226978 (2004 XB20)
Discovered 2004-Dec-08 by LINEAR at Socorro
Reference:
20091202/Numbers.arc
Last Updated:
2009-12-04
[ show close-approach data ]
Alternate Designations
2004 XB20
= 2008 OB7 = 2009 QT50
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
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Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-15 21:18 UT
(server date/time)
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Ryan S. Park
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