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JPL Small-Body Database Browser
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305291 (2008 AH5)
Classification:
Main-belt Asteroid
SPK-ID:
2305291
[
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 10
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.06319974445098771
8.936e-08
a
3.120555066645982
4.0216e-08
au
q
2.923336783888721
2.8736e-07
au
i
7.875726816704973
7.4999e-06
deg
node
309.4962804153075
5.0048e-05
deg
peri
199.2990972758437
8.425e-05
deg
M
.9627492907828001
6.3923e-05
deg
t
p
2458595.115357067520
(2019-Apr-21.61535707)
0.00035751
TDB
period
2013.474820757093
5.51
3.8922e-05
1.066e-07
d
yr
n
.1787953821367557
3.4563e-09
deg/d
Q
3.317773349403243
4.2757e-08
au
Orbit Determination Parameters
# obs. used (total)
212
data-arc span
13898 days (38.05 yr)
first obs. used
1981-03-07
last obs. used
2019-03-26
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.54626
source
ORB
producer
Otto Matic
solution date
2019-Jul-14 10:09:51
Additional Information
Earth MOID
= 1.93695 au
Jupiter MOID
= 1.71733 au
T_jup
= 3.199
[ hide covariance matrix ]
Orbital Elements at Epoch 2457214.5 (2015-Jul-11.0) TDB
Reference:
JPL 10
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.06411209585088437
8.899e-08
q
2.920766016211404
2.8606e-07
au
t
p
2456577.539573547818
(2013-Oct-12.03957355)
0.00035083
TDB
node
309.5258990552773
5.0042e-05
deg
peri
198.7355799948337
8.3752e-05
deg
i
7.876286179206864
7.5004e-06
deg
Orbit Determination Parameters
# obs. used (total)
212
data-arc span
13898 days (38.05 yr)
first obs. used
1981-03-07
last obs. used
2019-03-26
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.54626
source
ORB
producer
Otto Matic
solution date
2019-Jul-14 10:09:51
Additional Information
Jupiter MOID
= 1.71733 au
T_jup
= 3.199
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
7.919241489280318E-15
-2.524233276897737E-14
1.398494843702666E-11
2.095594754812572E-14
2.861619860196228E-12
-1.808757836348139E-15
q
-2.524233276897737E-14
8.18318403565441E-14
-4.330353671546493E-11
-5.54842698977875E-14
-8.805271496561367E-12
7.127107710247977E-15
tp
1.398494843702666E-11
-4.330353671546493E-11
1.230813148896047E-7
1.444634295042537E-10
2.359956490509908E-8
2.759060497509775E-11
node
2.095594754812572E-14
-5.54842698977875E-14
1.444634295042537E-10
2.504224804520713E-9
-2.451087852114865E-9
8.120369557059394E-11
peri
2.861619860196228E-12
-8.805271496561367E-12
2.359956490509908E-8
-2.451087852114865E-9
7.0144583124635E-9
-7.53212226342678E-11
i
-1.808757836348139E-15
7.127107710247977E-15
2.759060497509775E-11
8.120369557059394E-11
-7.53212226342678E-11
5.625567269410744E-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
15.4
n/a
MPO433966
305291 (2008 AH5)
Discovered 2008-Jan-09 by LUSS at Lulin
Reference:
20111110/Numbers.arc
Last Updated:
2011-11-14
[ show close-approach data ]
Alternate Designations
2008 AH5
= 1981 EZ36
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-13 10:40 UT
(server date/time)
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