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15647 (4556 P-L)
Classification:
Main-belt Asteroid
SPK-ID:
2015647
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference:
JPL 25
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1400396784978208
4.9955e-08
a
2.995066742813932
1.4615e-08
au
q
2.575638559070753
1.5179e-07
au
i
3.147162695893123
4.6589e-06
deg
node
43.18566893707096
8.1187e-05
deg
peri
332.511165915336
8.2152e-05
deg
M
206.1451212716434
1.3628e-05
deg
t
p
2460009.627488086753
(2023-Mar-06.12748809)
7.4381e-05
TDB
period
1893.250952577982
5.18
1.3858e-05
3.794e-08
d
yr
n
.1901491186415615
1.3918e-09
deg/d
Q
3.41449492655711
1.6662e-08
au
Orbit Determination Parameters
# obs. used (total)
1627
data-arc span
21784 days (59.64 yr)
first obs. used
1960-09-24
last obs. used
2020-05-16
planetary ephem.
DE441
SB-pert. ephem.
SB441-N16
condition code
0
norm. resid. RMS
.49581
source
ORB
producer
Otto Matic
solution date
2021-Apr-13 01:05:02
Additional Information
Earth MOID
= 1.57606 au
Jupiter MOID
= 2.04891 au
T_jup
= 3.237
[ 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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Close-Approach Data
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
13.7
n/a
MPO337391
diameter
diameter
4.807
km
1.352
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.366
0.139
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
15647 (4556 P-L)
Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference:
20000621/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
4556 P-L
= 1991 RT21
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2021-Apr-16 02:32 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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