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JPL Small-Body Database Browser
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249297 (2008 TL169)
Classification:
Main-belt Asteroid
SPK-ID:
2249297
[
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 13
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1498100439562652
1.2307e-07
a
3.105525265222329
5.8937e-08
au
q
2.64028638873208
3.6326e-07
au
i
16.17530374281059
7.0278e-06
deg
node
275.2478264230448
3.4125e-05
deg
peri
250.2072671106976
5.0594e-05
deg
M
277.6838089262297
3.8165e-05
deg
t
p
2459057.571132251699
(2020-Jul-27.07113225)
0.00022137
TDB
period
1998.94583877367
5.47
5.6904e-05
1.558e-07
d
yr
n
.1800949245432561
5.1268e-09
deg/d
Q
3.570764141712579
6.7766e-08
au
Orbit Determination Parameters
# obs. used (total)
180
data-arc span
5429 days (14.86 yr)
first obs. used
2004-03-15
last obs. used
2019-01-25
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.52857
source
ORB
producer
Otto Matic
solution date
2019-Jul-14 11:39:48
Additional Information
Earth MOID
= 1.70191 au
Jupiter MOID
= 1.77538 au
T_jup
= 3.143
[ 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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Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.6
n/a
MPO281360
diameter
diameter
5.155
km
0.278
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.042
0.006
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
249297 (2008 TL169)
Discovered 2008-Oct-07 by Mt. Lemmon Survey at Mount Lemmon
Reference:
20100824/Numbers.arc
Last Updated:
2010-08-27
[ show close-approach data ]
Alternate Designations
2008 TL169
= 2004 EA57
[
Ephemeris
|
Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-10 13:30 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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