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JPL Small-Body Database Browser
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312390 (2008 ER147)
Classification:
Main-belt Asteroid
SPK-ID:
2312390
[
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 14
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.03591087756038806
5.0327e-08
a
2.760163659703579
2.9444e-08
au
q
2.661043760473331
1.419e-07
au
i
6.34259967677071
6.8407e-06
deg
node
172.2537438915179
4.523e-05
deg
peri
248.898439095312
0.00010517
deg
M
269.4737758756126
9.2879e-05
deg
t
p
2459021.684696329589
(2020-Jun-21.18469633)
0.00043175
TDB
period
1674.945488395827
4.59
2.6801e-05
7.338e-08
d
yr
n
.2149323679451733
3.4392e-09
deg/d
Q
2.859283558933826
3.0501e-08
au
Orbit Determination Parameters
# obs. used (total)
186
data-arc span
6091 days (16.68 yr)
first obs. used
2003-02-22
last obs. used
2019-10-27
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.58727
source
ORB
producer
Otto Matic
solution date
2019-Nov-08 08:10:44
Additional Information
Earth MOID
= 1.67977 au
Jupiter MOID
= 2.25037 au
T_jup
= 3.332
[ show covariance matrix ]
[
Ephemeris
|
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
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.6
n/a
MPO360575
312390 (2008 ER147)
Discovered 2008-Mar-01 by Spacewatch at Kitt Peak
Reference:
20120109/Numbers.arc
Last Updated:
2012-01-11
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-14 16:26 UT
(server date/time)
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