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JPL Small-Body Database Browser
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109068 (2001 QT21)
Classification:
Main-belt Asteroid
SPK-ID:
2109068
[
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 17
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2733348159233449
9.9517e-08
a
2.548972002083992
1.4714e-08
au
q
1.852249209100604
2.6112e-07
au
i
4.609141980985649
7.8625e-06
deg
node
354.9875067188822
5.9195e-05
deg
peri
315.4512840031973
5.9944e-05
deg
M
144.9143229126755
9.4492e-06
deg
t
p
2458002.150633013315
(2017-Sep-05.65063301)
3.6743e-05
TDB
period
1486.435348733671
4.07
1.2871e-05
3.524e-08
d
yr
n
.2421901499494696
2.0971e-09
deg/d
Q
3.24569479506738
1.8736e-08
au
Orbit Determination Parameters
# obs. used (total)
492
data-arc span
9225 days (25.26 yr)
first obs. used
1993-10-13
last obs. used
2019-01-15
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.60424
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 09:27:25
Additional Information
Earth MOID
= .840676 au
Jupiter MOID
= 2.05525 au
T_jup
= 3.384
[ show covariance matrix ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
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Physical Parameters
|
Discovery Circumstances
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.5
n/a
MPO432614
109068 (2001 QT21)
Discovered 2001-Aug-16 by LINEAR at Socorro
Reference:
20051019/Numbers.arc
Last Updated:
2005-10-26
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
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Discovery Circumstances
]
2019-Dec-16 10:30 UT
(server date/time)
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Ryan S. Park
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