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17331 (2056 T-2)
Classification:
Main-belt Asteroid
SPK-ID:
2017331
[
Ephemeris
|
Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference:
JPL 26
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.07589866451148912
4.2849e-08
a
2.26801617754795
7.9351e-09
au
q
2.095876778581608
9.892e-08
au
i
4.653945799820069
4.8101e-06
deg
node
350.8832860693498
4.2681e-05
deg
peri
6.534963537880533
4.8823e-05
deg
M
245.9681943455089
2.4178e-05
deg
t
p
2459395.676535445521
(2021-Jun-30.17653545)
8.4356e-05
TDB
period
1247.577830973199
3.42
6.5474e-06
1.793e-08
d
yr
n
.2885591512308089
1.5144e-09
deg/d
Q
2.440155576514292
8.5374e-09
au
Orbit Determination Parameters
# obs. used (total)
1172
data-arc span
17023 days (46.61 yr)
first obs. used
1973-09-19
last obs. used
2020-04-28
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.55167
source
ORB
producer
Otto Matic
solution date
2020-May-20 04:34:31
Additional Information
Earth MOID
= 1.09137 au
Jupiter MOID
= 2.85469 au
T_jup
= 3.607
[ show covariance matrix ]
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Orbital Elements
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.3
n/a
MPO319302
17331 (2056 T-2)
Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference:
20000913/Numbers.arc
Last Updated:
2004-04-19
Alternate Designations
2056 T-2
= 1990 RS16 = 1997 SJ12
[
Ephemeris
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Orbit Diagram
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Orbital Elements
|
Mission Design
|
Physical Parameters
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Discovery Circumstances
]
2020-Aug-05 23:20 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin
