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JPL Small-Body Database Browser
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305495 (2008 EK58)
Classification:
Main-belt Asteroid
SPK-ID:
2305495
[
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 11
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.07173290261224186
5.042e-08
a
2.920944704016894
3.6169e-08
au
q
2.711416862027906
1.4559e-07
au
i
6.254163054222256
5.4929e-06
deg
node
170.2526548583539
4.8491e-05
deg
peri
263.3194817642585
6.384e-05
deg
M
150.8825999564797
4.3998e-05
deg
t
p
2457836.277027529999
(2017-Mar-23.77702753)
0.00021805
TDB
period
1823.406212303843
4.99
3.3868e-05
9.273e-08
d
yr
n
.1974326935878682
3.6672e-09
deg/d
Q
3.130472546005881
3.8764e-08
au
Orbit Determination Parameters
# obs. used (total)
188
data-arc span
5079 days (13.91 yr)
first obs. used
2005-07-06
last obs. used
2019-06-02
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.63181
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 05:54:47
Additional Information
Earth MOID
= 1.73492 au
Jupiter MOID
= 2.07097 au
T_jup
= 3.267
[ hide covariance matrix ]
Orbital Elements at Epoch 2457330.5 (2015-Nov-04.0) TDB
Reference:
JPL 11
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.07296743960793005
5.0393e-08
q
2.706901859726267
1.4603e-07
au
t
p
2457834.855981323571
(2017-Mar-22.35598132)
0.00021458
TDB
node
170.2779570418394
4.846e-05
deg
peri
262.8666841772416
6.3384e-05
deg
i
6.256671950583935
5.4956e-06
deg
Orbit Determination Parameters
# obs. used (total)
188
data-arc span
5079 days (13.91 yr)
first obs. used
2005-07-06
last obs. used
2019-06-02
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.63181
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 05:54:47
Additional Information
Jupiter MOID
= 2.07097 au
T_jup
= 3.267
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
2.539417311709633E-15
-7.163392656099459E-15
1.878089943493422E-12
-1.071216179468849E-14
2.776474752067971E-13
2.872064027678999E-15
q
-7.163392656099459E-15
2.132582130424121E-14
-3.274239515893986E-12
2.923042591615899E-14
-4.548437350162777E-13
-6.990851925914438E-15
tp
1.878089943493422E-12
-3.274239515893986E-12
4.604587922406106E-8
-3.409739561162416E-11
8.787453294477411E-9
9.775237839738294E-13
node
-1.071216179468849E-14
2.923042591615899E-14
-3.409739561162416E-11
2.348377494007121E-9
-2.340137465521828E-9
-1.053972611721069E-11
peri
2.776474752067971E-13
-4.548437350162777E-13
8.787453294477411E-9
-2.340137465521828E-9
4.017538598962587E-9
1.05098974453113E-11
i
2.872064027678999E-15
-6.990851925914438E-15
9.775237839738294E-13
-1.053972611721069E-11
1.05098974453113E-11
3.020122664084325E-11
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.4
n/a
MPO437357
305495 (2008 EK58)
Discovered 2008-Mar-08 by Spacewatch at Kitt Peak
Reference:
20111110/Numbers.arc
Last Updated:
2011-11-14
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
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2019-Dec-06 23:23 UT
(server date/time)
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Ryan S. Park
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