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JPL Small-Body Database Browser
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117241 (2004 SS20)
Classification:
Main-belt Asteroid
SPK-ID:
2117241
[
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 17
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2013601468929843
4.8662e-08
a
2.369519220113142
1.3429e-08
au
q
1.892392481885411
1.1233e-07
au
i
1.849687218547232
5.9954e-06
deg
node
36.28055799982943
0.00012964
deg
peri
319.0359759677186
0.00013028
deg
M
17.57773652843354
1.435e-05
deg
t
p
2458535.449710999432
(2019-Feb-20.94971100)
5.2806e-05
TDB
period
1332.25936128487
3.65
1.1326e-05
3.101e-08
d
yr
n
.2702176546560764
2.2971e-09
deg/d
Q
2.846645958340874
1.6133e-08
au
Orbit Determination Parameters
# obs. used (total)
434
data-arc span
9575 days (26.21 yr)
first obs. used
1993-09-19
last obs. used
2019-12-07
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.5395
source
ORB
producer
Otto Matic
solution date
2019-Dec-14 09:47:58
Additional Information
Earth MOID
= .887402 au
Jupiter MOID
= 2.59079 au
T_jup
= 3.517
[ show covariance matrix ]
[
Ephemeris
|
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
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.9
n/a
MPO359559
117241 (2004 SS20)
Discovered 2004-Sep-17 by Yeung, W. K. Y. at Desert Eagle
Reference:
20051019/Numbers.arc
Last Updated:
2005-10-26
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
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Discovery Circumstances
]
2019-Dec-16 11:08 UT
(server date/time)
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Ryan S. Park
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