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JPL Small-Body Database Browser
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312534 (2009 DH142)
Classification:
Main-belt Asteroid
SPK-ID:
2312534
[
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
.1603911306536913
3.3113e-08
a
2.591181420813996
2.6621e-08
au
q
2.175578903000801
8.6161e-08
au
i
9.303010567329618
7.7366e-06
deg
node
312.9699117101246
2.5373e-05
deg
peri
277.608021383954
3.7375e-05
deg
M
120.1860100905249
2.7501e-05
deg
t
p
2458091.876320333472
(2017-Dec-04.37632033)
0.00011349
TDB
period
1523.509471210788
4.17
2.3478e-05
6.428e-08
d
yr
n
.2362965290356187
3.6414e-09
deg/d
Q
3.006783938627192
3.0891e-08
au
Orbit Determination Parameters
# obs. used (total)
284
data-arc span
8729 days (23.90 yr)
first obs. used
1995-12-26
last obs. used
2019-11-19
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.50765
source
ORB
producer
Otto Matic
solution date
2019-Dec-14 19:05:20
Additional Information
Earth MOID
= 1.18878 au
Jupiter MOID
= 2.10373 au
T_jup
= 3.383
[ 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
MPO450244
diameter
diameter
3.673
km
0.590
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.052
0.011
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
312534 (2009 DH142)
Discovered 2009-Feb-27 by Siding Spring Survey at Siding Spring
Reference:
20120109/Numbers.arc
Last Updated:
2012-01-11
[ show close-approach data ]
[
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
]
2019-Dec-16 03:07 UT
(server date/time)
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Ryan S. Park
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