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JPL Small-Body Database Browser
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312223 (2007 WK55)
Classification:
Main-belt Asteroid
SPK-ID:
2312223
[
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 9
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1240706982003378
1.0315e-07
a
2.418133419931569
2.3644e-08
au
q
2.118113918179088
2.5041e-07
au
i
2.388005735865557
1.2058e-05
deg
node
3.901484936852985
0.00015399
deg
peri
113.7971913136331
0.00016787
deg
M
331.2786659682999
5.8569e-05
deg
t
p
2458710.077382698238
(2019-Aug-14.57738270)
0.00022355
TDB
period
1373.468855166225
3.76
2.0145e-05
5.515e-08
d
yr
n
.2621100570616366
3.8444e-09
deg/d
Q
2.71815292168405
2.6578e-08
au
Orbit Determination Parameters
# obs. used (total)
112
data-arc span
5481 days (15.01 yr)
first obs. used
2003-10-16
last obs. used
2018-10-18
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.5206
source
ORB
producer
Otto Matic
solution date
2018-Oct-31 04:40:36
Additional Information
Earth MOID
= 1.13592 au
Jupiter MOID
= 2.35466 au
T_jup
= 3.504
[ 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
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
17.7
n/a
MPO460289
312223 (2007 WK55)
Discovered 2007-Nov-30 by Ferrando, R. at Pla D'Arguines
Reference:
20120109/Numbers.arc
Last Updated:
2012-01-11
[ show close-approach data ]
Alternate Designations
2007 WK55
= 2003 US298 = 2005 EM126
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-15 19:51 UT
(server date/time)
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