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JPL Small-Body Database Browser
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249920 (2001 SK288)
Classification:
Main-belt Asteroid
SPK-ID:
2249920
[
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 14
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1842302035931785
5.6194e-08
a
2.732132918519806
1.4262e-08
au
q
2.228791514697278
1.5472e-07
au
i
12.11421783596418
7.3448e-06
deg
node
342.1995021498831
2.0654e-05
deg
peri
36.58686869832346
2.5535e-05
deg
M
313.5296148247029
1.4999e-05
deg
t
p
2458813.424155922301
(2019-Nov-25.92415592)
6.9132e-05
TDB
period
1649.495605488888
4.52
1.2916e-05
3.536e-08
d
yr
n
.2182485353716968
1.709e-09
deg/d
Q
3.235474322342335
1.689e-08
au
Orbit Determination Parameters
# obs. used (total)
363
data-arc span
6685 days (18.30 yr)
first obs. used
2001-08-17
last obs. used
2019-12-06
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.52563
source
ORB
producer
Otto Matic
solution date
2019-Dec-14 16:46:17
Additional Information
Earth MOID
= 1.24055 au
Jupiter MOID
= 2.28312 au
T_jup
= 3.297
[ 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
15.8
n/a
MPO460092
diameter
diameter
2.007
km
0.164
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.277
0.060
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
249920 (2001 SK288)
Discovered 2001-Sep-28 by NEAT at Palomar
Reference:
20100923/Numbers.arc
Last Updated:
2010-09-27
[ show close-approach data ]
[
Ephemeris
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Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
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Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-16 05:34 UT
(server date/time)
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Ryan S. Park
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