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JPL Small-Body Database Browser
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249854 (2001 QG53)
Classification:
Main-belt Asteroid
SPK-ID:
2249854
[
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 10
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1750123020103815
7.3428e-08
a
2.681222961303603
2.6533e-08
au
q
2.211975958642767
1.8894e-07
au
i
12.88514900800942
4.9693e-06
deg
node
151.025203725677
3.7171e-05
deg
peri
211.4778714893008
4.5651e-05
deg
M
343.7867909997641
2.6562e-05
deg
t
p
2458672.721133794446
(2019-Jul-08.22113379)
0.00011851
TDB
period
1603.606551030239
4.39
2.3804e-05
6.517e-08
d
yr
n
.2244939694021065
3.3323e-09
deg/d
Q
3.150469963964439
3.1177e-08
au
Orbit Determination Parameters
# obs. used (total)
178
data-arc span
7136 days (19.54 yr)
first obs. used
2000-05-10
last obs. used
2019-11-23
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.59021
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 18:48:59
Additional Information
Earth MOID
= 1.21693 au
Jupiter MOID
= 2.30948 au
T_jup
= 3.319
[ 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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Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.4
n/a
MPO450108
diameter
diameter
3.217
km
0.199
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.047
0.004
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
249854 (2001 QG53)
Discovered 2001-Aug-16 by LINEAR at Socorro
Reference:
20100923/Numbers.arc
Last Updated:
2010-09-27
[ show close-approach data ]
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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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2019-Dec-07 20:02 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin