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JPL Small-Body Database Browser
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74414 (1999 AN9)
Classification:
Main-belt Asteroid
SPK-ID:
2074414
[
Ephemeris
|
Orbit Diagram
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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
.1191817813304099
4.5413e-08
a
3.009567176307656
2.442e-08
au
q
2.650881599201778
1.382e-07
au
i
15.07206537176785
5.5347e-06
deg
node
112.6056905000412
2.0263e-05
deg
peri
315.0981802641681
3.2422e-05
deg
M
350.084326668093
2.5502e-05
deg
t
p
2458653.025984260314
(2019-Jun-18.52598426)
0.00013518
TDB
period
1907.016669545363
5.22
2.321e-05
6.355e-08
d
yr
n
.1887765354908118
2.2976e-09
deg/d
Q
3.368252753413534
2.733e-08
au
Orbit Determination Parameters
# obs. used (total)
702
data-arc span
9427 days (25.81 yr)
first obs. used
1994-01-08
last obs. used
2019-10-31
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.53042
source
ORB
producer
Otto Matic
solution date
2019-Nov-07 08:52:34
Additional Information
Earth MOID
= 1.68793 au
Jupiter MOID
= 1.90914 au
T_jup
= 3.187
[ show covariance matrix ]
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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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Close-Approach Data
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
14.5
n/a
MPO337818
diameter
diameter
5.186
km
0.353
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.165
0.059
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
74414 (1999 AN9)
Discovered 1999-Jan-10 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference:
20040415/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
1999 AN9
= 2000 FZ24
[
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
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2019-Dec-11 20:30 UT
(server date/time)
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Ryan S. Park
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