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JPL Small-Body Database Browser
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312931 (2011 WY66)
Classification:
Main-belt Asteroid
SPK-ID:
2312931
[
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 8
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.3310220008898785
5.2671e-08
a
2.747960690649845
4.5154e-08
au
q
1.838325244464201
1.5698e-07
au
i
5.558825484977957
7.7386e-06
deg
node
58.20558818880559
8.55e-05
deg
peri
323.3213530087336
8.7355e-05
deg
M
251.6047225225494
2.3232e-05
deg
t
p
2459101.481929843954
(2020-Sep-08.98192984)
0.00011802
TDB
period
1663.850113593206
4.56
4.101e-05
1.123e-07
d
yr
n
.2163656431903915
5.3329e-09
deg/d
Q
3.657596136835489
6.0101e-08
au
Orbit Determination Parameters
# obs. used (total)
107
data-arc span
6017 days (16.47 yr)
first obs. used
2002-12-07
last obs. used
2019-05-29
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.548
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 06:02:33
Additional Information
Earth MOID
= .844558 au
Jupiter MOID
= 1.8044 au
T_jup
= 3.259
[ show covariance matrix ]
[
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
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.8
n/a
MPO352918
312931 (2011 WY66)
Discovered 2008-Jan-16 by Spacewatch at Kitt Peak
Reference:
20120109/Numbers.arc
Last Updated:
2012-01-11
[ show close-approach data ]
Alternate Designations
2011 WY66
= 2008 BE8
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-06 21:20 UT
(server date/time)
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