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JPL Small-Body Database Browser
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437394 (2013 WE57)
Classification:
Main-belt Asteroid
SPK-ID:
2437394
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference:
JPL 13
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1786664331977166
1.8277e-07
a
2.147389915969703
4.9402e-08
au
q
1.763723418998652
4.3143e-07
au
i
3.902085390505648
5.2459e-06
deg
node
122.4160574170564
8.2757e-05
deg
peri
250.0657168569762
8.4753e-05
deg
M
292.8702273337405
1.8789e-05
deg
t
p
2458814.827286993386
(2019-Nov-27.32728699)
6.4834e-05
TDB
period
1149.383056921924
3.15
3.9664e-05
1.086e-07
d
yr
n
.3132115075404791
1.0808e-08
deg/d
Q
2.531056412940754
5.8229e-08
au
Orbit Determination Parameters
# obs. used (total)
130
data-arc span
4258 days (11.66 yr)
first obs. used
2007-12-30
last obs. used
2019-08-27
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.63078
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 07:37:35
Additional Information
Earth MOID
= .767559 au
Jupiter MOID
= 2.93257 au
T_jup
= 3.684
[ show covariance matrix ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
18.0
n/a
MPO440809
437394 (2013 WE57)
Discovered 2007-Dec-30 by Spacewatch at Kitt Peak
Reference:
Last Updated:
2015-06-04
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-09 16:11 UT
(server date/time)
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Ryan S. Park
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