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JPL Small-Body Database Browser
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295581 (2008 ST112)
Classification:
Main-belt Asteroid
SPK-ID:
2295581
[
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 11
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1765617808477564
1.0783e-07
a
3.018139179669227
4.4424e-08
au
q
2.485251151260441
3.4694e-07
au
i
4.279983917506686
9.5382e-06
deg
node
138.2285859408664
8.1858e-05
deg
peri
192.0691358636257
8.4423e-05
deg
M
40.10236879729289
1.6159e-05
deg
t
p
2458387.158744080356
(2018-Sep-25.65874408)
8.6906e-05
TDB
period
1915.169962135913
5.24
4.2284e-05
1.158e-07
d
yr
n
.1879728729655442
4.1502e-09
deg/d
Q
3.551027208078012
5.2268e-08
au
Orbit Determination Parameters
# obs. used (total)
185
data-arc span
5477 days (15.00 yr)
first obs. used
2003-10-29
last obs. used
2018-10-27
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.62758
source
ORB
producer
Otto Matic
solution date
2019-Jul-14 11:13:49
Additional Information
Earth MOID
= 1.47362 au
Jupiter MOID
= 1.80649 au
T_jup
= 3.219
[ hide covariance matrix ]
Orbital Elements at Epoch 2457119.5 (2015-Apr-07.0) TDB
Reference:
JPL 11
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1801399743184556
1.0879e-07
q
2.472496072897532
3.5022e-07
au
t
p
2456463.044046881074
(2013-Jun-19.54404688)
0.00010009
TDB
node
138.3933593052922
8.1469e-05
deg
peri
190.5827238334633
8.3897e-05
deg
i
4.289217601125507
9.5735e-06
deg
Orbit Determination Parameters
# obs. used (total)
185
data-arc span
5477 days (15.00 yr)
first obs. used
2003-10-29
last obs. used
2018-10-27
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.62758
source
ORB
producer
Otto Matic
solution date
2019-Jul-14 11:13:49
Additional Information
Jupiter MOID
= 1.80649 au
T_jup
= 3.219
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
1.183464340337056E-14
-3.796003974022989E-14
5.035659802614847E-12
-3.115699173244563E-14
1.049582358731793E-12
-1.141089770026424E-14
q
-3.796003974022989E-14
1.226550326043989E-13
-1.732670511663175E-11
9.568342999660679E-14
-3.52206092236782E-12
3.817341814674895E-14
tp
5.035659802614847E-12
-1.732670511663175E-11
1.001854266902205E-8
6.388153458705665E-13
2.018767225229682E-9
-4.335037020143501E-12
node
-3.115699173244563E-14
9.568342999660679E-14
6.388153458705665E-13
6.63726750447665E-9
-6.617739587803711E-9
2.399844200508821E-10
peri
1.049582358731793E-12
-3.52206092236782E-12
2.018767225229682E-9
-6.617739587803711E-9
7.038645212622777E-9
-2.401790713841887E-10
i
-1.141089770026424E-14
3.817341814674895E-14
-4.335037020143501E-12
2.399844200508821E-10
-2.401790713841887E-10
9.165210460600141E-11
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.9
n/a
MPO455185
295581 (2008 ST112)
Discovered 2008-Sep-22 by Spacewatch at Kitt Peak
Reference:
20110912/Numbers.arc
Last Updated:
2011-09-14
[ show close-approach data ]
Alternate Designations
2008 ST112
= 2006 EX39
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-07 20:07 UT
(server date/time)
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