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JPL Small-Body Database Browser
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109481 (2001 QR222)
Classification:
Outer Main-belt Asteroid
SPK-ID:
2109481
[
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 20
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.109713519584442
4.6923e-08
a
3.209565469344921
3.3446e-08
au
q
2.857432745366398
1.4851e-07
au
i
8.960214252211875
5.9043e-06
deg
node
208.0016647664048
3.4111e-05
deg
peri
30.39256780773177
4.3417e-05
deg
M
103.3101354499392
2.7222e-05
deg
t
p
2457997.790252258667
(2017-Sep-01.29025226)
0.00015774
TDB
period
2100.234485628174
5.75
3.2829e-05
8.988e-08
d
yr
n
.1714094318817573
2.6793e-09
deg/d
Q
3.561698193323444
3.7116e-08
au
Orbit Determination Parameters
# obs. used (total)
459
data-arc span
8448 days (23.13 yr)
first obs. used
1996-10-06
last obs. used
2019-11-23
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.60529
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 10:16:02
Additional Information
Earth MOID
= 1.85037 au
Jupiter MOID
= 1.44159 au
T_jup
= 3.163
[ 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
14.7
n/a
MPO412772
diameter
diameter
6.127
km
0.376
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.068
0.015
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
109481 (2001 QR222)
Discovered 2001-Aug-24 by LONEOS at Anderson Mesa
Reference:
20051019/Numbers.arc
Last Updated:
2005-10-26
[ show close-approach data ]
Alternate Designations
2001 QR222
= 2000 JD86
[
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
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Close-Approach Data
]
2019-Dec-07 02:31 UT
(server date/time)
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Ryan S. Park
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