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JPL Small-Body Database Browser
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249257 (2008 SF53)
Classification:
Main-belt Asteroid
SPK-ID:
2249257
[
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 9
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1346618521403595
9.9388e-08
a
2.64173911769636
2.6865e-08
au
q
2.285997635235729
2.5333e-07
au
i
1.334877102672376
9.3397e-06
deg
node
36.09271899928194
0.00034729
deg
peri
353.0331897324108
0.00034919
deg
M
153.408704120548
3.4871e-05
deg
t
p
2457932.185601191095
(2017-Jun-27.68560119)
0.00014852
TDB
period
1568.315076712651
4.29
2.3924e-05
6.55e-08
d
yr
n
.2295457114106158
3.5016e-09
deg/d
Q
2.997480600156991
3.0483e-08
au
Orbit Determination Parameters
# obs. used (total)
180
data-arc span
10004 days (27.39 yr)
first obs. used
1991-11-07
last obs. used
2019-03-29
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.58115
source
ORB
producer
Otto Matic
solution date
2019-Jul-14 11:13:48
Additional Information
Earth MOID
= 1.2903 au
Jupiter MOID
= 2.43711 au
T_jup
= 3.381
[ show covariance matrix ]
[
Ephemeris
|
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
16.9
n/a
MPO245566
diameter
diameter
2.936
km
0.599
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.036
0.040
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
249257 (2008 SF53)
Discovered 2008-Sep-20 by Mt. Lemmon Survey at Mount Lemmon
Reference:
20100824/Numbers.arc
Last Updated:
2010-08-27
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
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Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-10 21:45 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin