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JPL Small-Body Database Browser
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109139 (2001 QJ55)
Classification:
Main-belt Asteroid
SPK-ID:
2109139
[
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 15
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.07727135007128651
6.0499e-08
a
2.563454493729466
1.9486e-08
au
q
2.365372904152684
1.4768e-07
au
i
7.328225797438897
5.3965e-06
deg
node
127.9256128587345
4.8345e-05
deg
peri
248.7729120878781
6.1068e-05
deg
M
74.74606796672438
3.7237e-05
deg
t
p
2458289.240442315903
(2018-Jun-19.74044232)
0.00015481
TDB
period
1499.121543305248
4.10
1.7094e-05
4.68e-08
d
yr
n
.2401406354325851
2.7382e-09
deg/d
Q
2.761536083306249
2.0992e-08
au
Orbit Determination Parameters
# obs. used (total)
513
data-arc span
8308 days (22.75 yr)
first obs. used
1996-05-12
last obs. used
2019-02-09
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.60161
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 09:28:20
Additional Information
Earth MOID
= 1.3764 au
Jupiter MOID
= 2.59777 au
T_jup
= 3.418
[ show covariance matrix ]
[
Ephemeris
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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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Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.7
n/a
MPO412770
109139 (2001 QJ55)
Discovered 2001-Aug-16 by LINEAR at Socorro
Reference:
20051019/Numbers.arc
Last Updated:
2005-10-26
[ show close-approach data ]
Alternate Designations
2001 QJ55
= 1999 AA15
[
Ephemeris
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Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-14 19:05 UT
(server date/time)
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