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JPL Small-Body Database Browser
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379961 (2012 QA9)
Classification:
Main-belt Asteroid
SPK-ID:
2379961
[
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 12
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.09672266113713329
1.1588e-07
a
3.082543518367989
8.3587e-08
au
q
2.784391706200415
3.6105e-07
au
i
8.090897040924679
9.4401e-06
deg
node
265.4358622636177
8.0404e-05
deg
peri
75.50092207528255
9.9145e-05
deg
M
73.15604487949264
5.8318e-05
deg
t
p
2458198.792473758467
(2018-Mar-21.29247376)
0.00032363
TDB
period
1976.797811926147
5.41
8.0405e-05
2.201e-07
d
yr
n
.1821127066349918
7.4073e-09
deg/d
Q
3.380695330535562
9.1671e-08
au
Orbit Determination Parameters
# obs. used (total)
118
data-arc span
4105 days (11.24 yr)
first obs. used
2007-10-08
last obs. used
2019-01-03
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.52309
source
ORB
producer
Otto Matic
solution date
2019-Jul-14 14:44:44
Additional Information
Earth MOID
= 1.78895 au
Jupiter MOID
= 1.97846 au
T_jup
= 3.205
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
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Discovery Circumstances
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Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.8
n/a
MPO460490
379961 (2012 QA9)
Discovered 2007-Oct-08 by CSS at Catalina
Reference:
Last Updated:
2013-11-20
[ show close-approach data ]
Alternate Designations
2012 QA9
= 2007 TG242
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-05 22:39 UT
(server date/time)
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