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JPL Small-Body Database Browser
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233869 (2008 WE20)
Classification:
Main-belt Asteroid
SPK-ID:
2233869
[
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 12
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.06885674334457743
9.7561e-08
a
2.771370112194852
3.1313e-08
au
q
2.580542591666618
2.6393e-07
au
i
1.1374256160593
8.6704e-06
deg
node
59.98761683076499
0.00038392
deg
peri
265.2932759660732
0.00039258
deg
M
179.9849293832939
8.5874e-05
deg
t
p
2457757.992333231170
(2017-Jan-04.49233323)
0.00040053
TDB
period
1685.15642435189
4.61
2.856e-05
7.819e-08
d
yr
n
.2136300196217427
3.6206e-09
deg/d
Q
2.962197632723086
3.3469e-08
au
Orbit Determination Parameters
# obs. used (total)
196
data-arc span
6533 days (17.89 yr)
first obs. used
2001-03-21
last obs. used
2019-02-08
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.70434
source
ORB
producer
Otto Matic
solution date
2019-Jul-14 11:34:21
Additional Information
Earth MOID
= 1.56787 au
Jupiter MOID
= 2.25219 au
T_jup
= 3.333
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
|
Mission Design
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Physical Parameters
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Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.5
n/a
MPO427345
233869 (2008 WE20)
Discovered 2008-Nov-17 by Spacewatch at Kitt Peak
Reference:
20100228/Numbers.arc
Last Updated:
2010-03-03
[ show close-approach data ]
Alternate Designations
2008 WE20
= 2006 FZ18
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-06 16:04 UT
(server date/time)
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