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JPL Small-Body Database Browser
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109397 (2001 QM178)
Classification:
Main-belt Asteroid
SPK-ID:
2109397
[
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
.2120926575933603
4.6471e-08
a
3.14986723747387
2.2191e-08
au
q
2.481803524011781
1.4693e-07
au
i
16.11570068352782
6.5455e-06
deg
node
8.762605364183768
1.6099e-05
deg
peri
305.5367196985349
2.1223e-05
deg
M
71.07433386988599
1.392e-05
deg
t
p
2458197.368162541715
(2018-Mar-19.86816254)
7.8872e-05
TDB
period
2041.91096255174
5.59
2.1578e-05
5.908e-08
d
yr
n
.17630543476299
1.8631e-09
deg/d
Q
3.817930950935959
2.6898e-08
au
Orbit Determination Parameters
# obs. used (total)
568
data-arc span
9495 days (26.00 yr)
first obs. used
1993-01-24
last obs. used
2019-01-23
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.53084
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 10:00:10
Additional Information
Earth MOID
= 1.5076 au
Jupiter MOID
= 1.75748 au
T_jup
= 3.113
[ 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
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
14.5
n/a
MPO453553
109397 (2001 QM178)
Discovered 2001-Aug-26 by NEAT at Haleakala
Reference:
20051019/Numbers.arc
Last Updated:
2005-10-26
[ show close-approach data ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-13 06:01 UT
(server date/time)
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