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JPL Small-Body Database Browser
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249355 (2008 YD30)
Classification:
Main-belt Asteroid
SPK-ID:
2249355
[
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 15
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1508549867275019
6.9996e-08
a
3.120959133337313
4.0488e-08
au
q
2.650146884700637
2.1842e-07
au
i
6.385967613436553
7.6037e-06
deg
node
285.0929358253278
6.9785e-05
deg
peri
192.69682172031
7.4493e-05
deg
M
311.3952113533006
2.7966e-05
deg
t
p
2458872.398685501341
(2020-Jan-23.89868550)
0.00015938
TDB
period
2013.865907163646
5.51
3.9188e-05
1.073e-07
d
yr
n
.1787606606375439
3.4786e-09
deg/d
Q
3.591771381973989
4.6596e-08
au
Orbit Determination Parameters
# obs. used (total)
265
data-arc span
6611 days (18.10 yr)
first obs. used
2001-09-20
last obs. used
2019-10-27
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.62091
source
ORB
producer
Otto Matic
solution date
2019-Nov-08 02:45:39
Additional Information
Earth MOID
= 1.66714 au
Jupiter MOID
= 1.52594 au
T_jup
= 3.189
[ 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
15.7
n/a
MPO418331
diameter
diameter
4.330
km
0.840
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.034
0.011
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
249355 (2008 YD30)
Discovered 2008-Dec-30 by Lowe, A. at Mayhill
Reference:
20100824/Numbers.arc
Last Updated:
2010-08-27
[ show close-approach data ]
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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
]
2019-Dec-12 14:23 UT
(server date/time)
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Ryan S. Park
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