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JPL Small-Body Database Browser
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249780 (2000 WD86)
Classification:
Main-belt Asteroid
SPK-ID:
2249780
[
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 14
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1543373492057312
8.2701e-08
a
3.023045867459534
4.1247e-08
au
q
2.55647698174849
2.6125e-07
au
i
15.72883710594414
8.4131e-06
deg
node
264.4170897787048
3.4945e-05
deg
peri
135.8260408671532
5.6948e-05
deg
M
212.2198329387388
4.4196e-05
deg
t
p
2459388.596110601359
(2021-Jun-23.09611060)
0.00024702
TDB
period
1919.842191671615
5.26
3.9292e-05
1.076e-07
d
yr
n
.1875154122363289
3.8377e-09
deg/d
Q
3.489614753170579
4.7612e-08
au
Orbit Determination Parameters
# obs. used (total)
265
data-arc span
6847 days (18.75 yr)
first obs. used
2000-11-20
last obs. used
2019-08-20
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.49163
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 04:19:05
Additional Information
Earth MOID
= 1.59056 au
Jupiter MOID
= 1.94564 au
T_jup
= 3.171
[ 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
15.5
n/a
MPO454852
diameter
diameter
4.161
km
0.241
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.077
0.015
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
249780 (2000 WD86)
Discovered 2000-Nov-20 by LINEAR at Socorro
Reference:
20100923/Numbers.arc
Last Updated:
2010-09-27
[ 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 11:05 UT
(server date/time)
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Ryan S. Park
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Alan B. Chamberlin