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117968 (9564 P-L)
Classification:
Main-belt Asteroid
SPK-ID:
2117968
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference:
JPL 17
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2210872386301405
4.1914e-08
a
2.349274995904155
1.0117e-08
au
q
1.829880274276871
1.007e-07
au
i
3.599483023317692
4.1135e-06
deg
node
60.51993936311735
7.4914e-05
deg
peri
329.6877669260693
7.5492e-05
deg
M
182.7023099862897
1.1165e-05
deg
t
p
2459648.238614416132
(2022-Mar-09.73861442)
4.3646e-05
TDB
period
1315.222444081337
3.60
8.4959e-06
2.326e-08
d
yr
n
.2737179567000581
1.7681e-09
deg/d
Q
2.868669717531439
1.2354e-08
au
Orbit Determination Parameters
# obs. used (total)
544
data-arc span
21771 days (59.61 yr)
first obs. used
1960-10-17
last obs. used
2020-05-26
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.55446
source
ORB
producer
Otto Matic
solution date
2020-Nov-12 18:15:01
Additional Information
Earth MOID
= .836536 au
Jupiter MOID
= 2.57391 au
T_jup
= 3.523
[ show covariance matrix ]
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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
16.48
n/a
E2021B55
117968 (9564 P-L)
Discovered 1960-Oct-17 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference:
20051019/Numbers.arc
Last Updated:
2005-10-26
[ show close-approach data ]
Alternate Designations
9564 P-L
= 2001 AA31
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2021-Feb-27 22:42 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin