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JPL Small-Body Database Browser
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243381 Alessio (2008 YM4)
Classification:
Main-belt Asteroid
SPK-ID:
2243381
[
Ephemeris
|
Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
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Discovery Circumstances
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[ 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
.2213578756062536
5.9991e-08
a
2.339690247374059
2.5669e-08
au
q
1.821781384638667
1.4608e-07
au
i
24.09005517367131
6.3832e-06
deg
node
274.4511905694745
2.1441e-05
deg
peri
332.2519462667846
2.944e-05
deg
M
171.5364786701759
2.1304e-05
deg
t
p
2457977.640684960668
(2017-Aug-12.14068496)
7.4119e-05
TDB
period
1307.181744387442
3.58
2.1512e-05
5.89e-08
d
yr
n
.2754016429205104
4.5321e-09
deg/d
Q
2.85759911010945
3.1351e-08
au
Orbit Determination Parameters
# obs. used (total)
187
data-arc span
6255 days (17.13 yr)
first obs. used
2001-11-17
last obs. used
2019-01-02
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.48923
source
ORB
producer
Otto Matic
solution date
2019-Jul-14 11:38:57
Additional Information
Earth MOID
= .826395 au
Jupiter MOID
= 2.29996 au
T_jup
= 3.418
[ 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 Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.9
n/a
MPO454786
diameter
diameter
1.868
km
0.521
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.242
0.128
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
243381 Alessio
Discovered 2008 Dec. 22 by G. Muler and J. M. Ruiz at Nazaret Observatory, Lanzarote.
Alessio Muler (b. 2002), second son of the first discoverer, shares with his father a passion for the skies.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference:
20100923/MPCPages.arc
Last Updated:
2010-12-06
Alternate Designations
2008 YM4
= 2006 BO217
[
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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2019-Dec-14 19:11 UT
(server date/time)
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Ryan S. Park
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