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118121 (3211 T-3)
Classification:
Main-belt Asteroid
SPK-ID:
2118121
[
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 17
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1200686757691545
4.5705e-08
a
2.659741671128476
1.4935e-08
au
q
2.340390010788042
1.2872e-07
au
i
3.697378828336526
4.084e-06
deg
node
199.9265485861449
5.1234e-05
deg
peri
151.4294474708589
5.3706e-05
deg
M
5.334983173023827
1.3959e-05
deg
t
p
2459177.020536646935
(2020-Nov-23.52053665)
6.1468e-05
TDB
period
1584.373658354521
4.34
1.3345e-05
3.654e-08
d
yr
n
.2272191273199305
1.9138e-09
deg/d
Q
2.97909333146891
1.6728e-08
au
Orbit Determination Parameters
# obs. used (total)
515
data-arc span
15769 days (43.17 yr)
first obs. used
1977-10-07
last obs. used
2020-12-09
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.47781
source
ORB
producer
Otto Matic
solution date
2021-Feb-24 09:18:53
Additional Information
Earth MOID
= 1.33385 au
Jupiter MOID
= 2.44525 au
T_jup
= 3.373
[ show covariance matrix ]
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Ephemeris
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Orbit Diagram
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Orbital Elements
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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
16.24
n/a
E2021B55
118121 (3211 T-3)
Discovered 1977-Oct-16 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
3211 T-3
= 2003 ST129
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2021-Apr-13 05:12 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin