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JPL Small-Body Database Browser
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249996 (2001 XC191)
Classification:
Main-belt Asteroid
SPK-ID:
2249996
[
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 13
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.3092857003839397
4.1702e-08
a
2.801635466200546
1.7421e-08
au
q
1.935129678816225
1.2154e-07
au
i
7.15437340747159
6.7597e-06
deg
node
280.8591109987463
4.3885e-05
deg
peri
118.6526907054241
4.6322e-05
deg
M
289.3289561252359
1.2209e-05
deg
t
p
2458936.744254541139
(2020-Mar-28.24425454)
5.9376e-05
TDB
period
1712.836332930343
4.69
1.5976e-05
4.374e-08
d
yr
n
.2101776994560288
1.9603e-09
deg/d
Q
3.668141253584868
2.2809e-08
au
Orbit Determination Parameters
# obs. used (total)
406
data-arc span
6556 days (17.95 yr)
first obs. used
2001-11-18
last obs. used
2019-10-31
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.52671
source
ORB
producer
Otto Matic
solution date
2019-Nov-08 02:49:44
Additional Information
Earth MOID
= .954963 au
Jupiter MOID
= 1.83299 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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Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.1
n/a
MPO360276
diameter
diameter
4.217
km
0.034
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.051
0.010
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
249996 (2001 XC191)
Discovered 2001-Dec-14 by LINEAR at Socorro
Reference:
20100923/Numbers.arc
Last Updated:
2010-09-27
[ show close-approach data ]
[
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
]
2019-Dec-12 14:24 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin