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JPL Small-Body Database Browser
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266772 (2009 SW172)
Classification:
Jupiter Trojan
SPK-ID:
2266772
[
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 11
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.03166758517235903
7.0276e-08
a
5.150164142009254
2.1191e-07
au
q
4.987070880390547
4.8924e-07
au
i
6.711652084825717
7.0046e-06
deg
node
238.2839335330451
7.5044e-05
deg
peri
188.2679434820599
0.00018655
deg
M
242.2095240006338
0.000177
deg
t
p
2459997.311201202250
(2023-Feb-21.81120120)
0.0021512
TDB
period
4269.038121855589
11.69
0.00026348
7.214e-07
d
yr
n
.08432812959831842
5.2047e-09
deg/d
Q
5.313257403627962
2.1862e-07
au
Orbit Determination Parameters
# obs. used (total)
141
data-arc span
7595 days (20.79 yr)
first obs. used
1998-11-17
last obs. used
2019-09-03
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.55877
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 04:36:52
Additional Information
Earth MOID
= 4.00043 au
Jupiter MOID
= .0413418 au
T_jup
= 2.985
[ show covariance matrix ]
[
Ephemeris
|
Orbit Diagram
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Orbital Elements
|
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
13.7
n/a
MPO254491
266772 (2009 SW172)
Discovered 2002-Feb-13 by Sloan Digital Sky Survey at Apache Point
Reference:
20110218/Numbers.arc
Last Updated:
2011-02-22
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-06 00:50 UT
(server date/time)
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Ryan S. Park
Webmaster
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