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JPL Small-Body Database Browser
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173197 (1998 QZ38)
Classification:
Main-belt Asteroid
SPK-ID:
2173197
[
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
.165221394343241
5.8914e-08
a
2.604542697691611
1.3365e-08
au
q
2.174216521552496
1.5584e-07
au
i
7.644934150777998
5.7697e-06
deg
node
316.9238459218201
3.5858e-05
deg
peri
36.90633162549399
3.8931e-05
deg
M
320.4126306033025
1.2562e-05
deg
t
p
2458769.330066634168
(2019-Oct-12.83006663)
5.3425e-05
TDB
period
1535.308481330184
4.20
1.1818e-05
3.236e-08
d
yr
n
.2344805649012619
1.8048e-09
deg/d
Q
3.034868873830725
1.5573e-08
au
Orbit Determination Parameters
# obs. used (total)
496
data-arc span
7766 days (21.26 yr)
first obs. used
1998-08-17
last obs. used
2019-11-21
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.54176
source
ORB
producer
Otto Matic
solution date
2019-Dec-14 13:02:02
Additional Information
Earth MOID
= 1.173 au
Jupiter MOID
= 2.40581 au
T_jup
= 3.381
[ 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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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.7
n/a
MPO454188
diameter
diameter
3.986
km
0.882
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.070
0.040
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
173197 (1998 QZ38)
Discovered 1998-Aug-17 by LINEAR at Socorro
Reference:
20080122/Numbers.arc
Last Updated:
2008-01-28
[
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
]
2019-Dec-16 13:31 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin