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JPL Small-Body Database Browser
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249876 (2001 QS213)
Classification:
Main-belt Asteroid
SPK-ID:
2249876
[
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 16
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1980069299468483
7.0673e-08
a
2.660205153576773
1.7385e-08
au
q
2.133466098088252
1.947e-07
au
i
11.55173892946204
7.6657e-06
deg
node
332.7857966221524
2.1515e-05
deg
peri
348.1692608588383
2.5677e-05
deg
M
39.73897825414587
1.2292e-05
deg
t
p
2458425.561532211898
(2018-Nov-03.06153221)
5.3826e-05
TDB
period
1584.787812131187
4.34
1.5535e-05
4.253e-08
d
yr
n
.2271597479765319
2.2268e-09
deg/d
Q
3.186944209065294
2.0827e-08
au
Orbit Determination Parameters
# obs. used (total)
360
data-arc span
6184 days (16.93 yr)
first obs. used
2001-08-16
last obs. used
2018-07-22
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.57153
source
ORB
producer
Otto Matic
solution date
2018-Oct-04 09:57:51
Additional Information
Earth MOID
= 1.12165 au
Jupiter MOID
= 2.15479 au
T_jup
= 3.329
[ 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
15.8
n/a
MPO454853
diameter
diameter
4.339
km
0.026
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.048
0.009
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
249876 (2001 QS213)
Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference:
20100923/Numbers.arc
Last Updated:
2010-09-27
[ show close-approach data ]
[
Ephemeris
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Orbit Diagram
|
Orbital Elements
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Mission Design
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Physical Parameters
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Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-06 01:05 UT
(server date/time)
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Ryan S. Park
Webmaster
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