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JPL Small-Body Database Browser
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249991 (2001 XX65)
Classification:
Main-belt Asteroid
SPK-ID:
2249991
[
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 13
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2079191493405249
5.3e-08
a
2.847102650791965
2.2394e-08
au
q
2.255135489554147
1.528e-07
au
i
12.17385568928747
5.4105e-06
deg
node
272.37050732
2.612e-05
deg
peri
121.8628753674406
2.9731e-05
deg
M
268.7138606732579
1.3285e-05
deg
t
p
2459045.444102623781
(2020-Jul-14.94410262)
6.6997e-05
TDB
period
1754.700966936794
4.80
2.0702e-05
5.668e-08
d
yr
n
.2051631627173815
2.4206e-09
deg/d
Q
3.439069812029784
2.705e-08
au
Orbit Determination Parameters
# obs. used (total)
365
data-arc span
6470 days (17.71 yr)
first obs. used
2001-12-09
last obs. used
2019-08-27
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.55799
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 04:19:27
Additional Information
Earth MOID
= 1.28935 au
Jupiter MOID
= 2.08604 au
T_jup
= 3.242
[ 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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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.7
n/a
MPO454854
diameter
diameter
3.944
km
0.040
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.072
0.011
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
249991 (2001 XX65)
Discovered 2001-Dec-10 by LINEAR at Socorro
Reference:
20100923/Numbers.arc
Last Updated:
2010-09-27
[
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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2019-Dec-14 17:15 UT
(server date/time)
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Ryan S. Park
Webmaster
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Alan B. Chamberlin