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JPL Small-Body Database Browser
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249438 (2009 FT45)
Classification:
Outer Main-belt Asteroid
SPK-ID:
2249438
[
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 17
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1604462729513807
5.2272e-08
a
3.210690641683801
4.505e-08
au
q
2.695547294625758
1.7504e-07
au
i
18.87761716115855
7.4208e-06
deg
node
85.69162436166029
2.3548e-05
deg
peri
69.84822053125053
3.8525e-05
deg
M
298.1198054985901
2.7609e-05
deg
t
p
2458961.697960565515
(2020-Apr-22.19796057)
0.00016209
TDB
period
2101.338996286168
5.75
4.4227e-05
1.211e-07
d
yr
n
.1713193352601609
3.6058e-09
deg/d
Q
3.725833988741844
5.2278e-08
au
Orbit Determination Parameters
# obs. used (total)
239
data-arc span
6592 days (18.05 yr)
first obs. used
2001-11-19
last obs. used
2019-12-07
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.61347
source
ORB
producer
Otto Matic
solution date
2019-Dec-14 16:44:52
Additional Information
Earth MOID
= 1.77525 au
Jupiter MOID
= 1.70323 au
T_jup
= 3.088
[ 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
15.1
n/a
MPO418332
diameter
diameter
6.716
km
0.670
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.036
0.008
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
249438 (2009 FT45)
Discovered 2009-Mar-30 by Durig, D. T. at Cordell-Lorenz
Reference:
20100824/Numbers.arc
Last Updated:
2010-08-27
[ show close-approach data ]
[
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
|
Close-Approach Data
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2019-Dec-16 05:48 UT
(server date/time)
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Webmaster
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