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JPL Small-Body Database Browser
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109261 (2001 QB108)
Classification:
Main-belt Asteroid
SPK-ID:
2109261
[
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 20
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1136051094818571
4.1702e-08
a
3.167343938751106
3.1069e-08
au
q
2.80751748382259
1.3193e-07
au
i
5.106375760023417
6.467e-06
deg
node
37.7584687657953
6.258e-05
deg
peri
227.2506956277034
7.1419e-05
deg
M
118.8035084581796
3.7098e-05
deg
t
p
2457921.033529327130
(2017-Jun-16.53352933)
0.00020903
TDB
period
2058.928499812263
5.64
3.0295e-05
8.294e-08
d
yr
n
.1748482281112848
2.5727e-09
deg/d
Q
3.527170393679622
3.4599e-08
au
Orbit Determination Parameters
# obs. used (total)
581
data-arc span
6689 days (18.31 yr)
first obs. used
2001-08-11
last obs. used
2019-12-04
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.60276
source
ORB
producer
Otto Matic
solution date
2019-Dec-14 09:05:01
Additional Information
Earth MOID
= 1.79477 au
Jupiter MOID
= 1.55574 au
T_jup
= 3.187
[ 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
14.7
n/a
MPO351621
109261 (2001 QB108)
Discovered 2001-Aug-25 by LONEOS at Anderson Mesa
Reference:
20051019/Numbers.arc
Last Updated:
2005-10-26
[ show close-approach data ]
[
Ephemeris
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Orbit Diagram
|
Orbital Elements
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Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-15 19:33 UT
(server date/time)
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