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JPL Small-Body Database Browser
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74165 (1998 QU104)
Classification:
Main-belt Asteroid
SPK-ID:
2074165
[
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 18
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1942902341969973
4.9674e-08
a
2.634080639573213
1.655e-08
au
q
2.122304495216757
1.34e-07
au
i
5.494997919672688
4.9193e-06
deg
node
64.97787690211017
6.1867e-05
deg
peri
259.1421884958329
6.3304e-05
deg
M
319.4673286494796
1.3148e-05
deg
t
p
2458776.310477261585
(2019-Oct-19.81047726)
5.7347e-05
TDB
period
1561.500135701221
4.28
1.4717e-05
4.029e-08
d
yr
n
.2305475303966818
2.1729e-09
deg/d
Q
3.145856783929668
1.9766e-08
au
Orbit Determination Parameters
# obs. used (total)
625
data-arc span
7704 days (21.09 yr)
first obs. used
1998-08-26
last obs. used
2019-09-29
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.58722
source
ORB
producer
Otto Matic
solution date
2019-Nov-07 08:50:31
Additional Information
Earth MOID
= 1.1177 au
Jupiter MOID
= 2.20247 au
T_jup
= 3.365
[ 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
15.3
n/a
MPO347990
diameter
diameter
2.660
km
0.578
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.131
0.063
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
74165 (1998 QU104)
Discovered 1998-Aug-26 by Elst, E. W. at La Silla
Reference:
20040415/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
1998 QU104
= 2002 QE42
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-11 23:25 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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