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JPL Small-Body Database Browser
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312843 (2011 UA55)
Classification:
Main-belt Asteroid
SPK-ID:
2312843
[
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
.1024327383616552
7.4347e-08
a
3.025468138221592
3.5624e-08
au
q
2.715561151997615
2.2106e-07
au
i
8.647755071875011
6.956e-06
deg
node
235.5971745361413
3.5741e-05
deg
peri
151.9627689416854
4.4617e-05
deg
M
175.974630228854
3.0057e-05
deg
t
p
2457660.917622083455
(2016-Sep-29.41762208)
0.00015206
TDB
period
1922.150116809818
5.26
3.3949e-05
9.295e-08
d
yr
n
.187290262530322
3.3079e-09
deg/d
Q
3.335375124445568
3.9273e-08
au
Orbit Determination Parameters
# obs. used (total)
265
data-arc span
8590 days (23.52 yr)
first obs. used
1995-11-17
last obs. used
2019-05-25
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.54659
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 06:02:27
Additional Information
Earth MOID
= 1.72389 au
Jupiter MOID
= 2.09406 au
T_jup
= 3.220
[ show covariance matrix ]
[
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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Discovery Circumstances
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.5
n/a
MPO437380
312843 (2011 UA55)
Discovered 1995-Nov-17 by Spacewatch at Kitt Peak
Reference:
20120109/Numbers.arc
Last Updated:
2012-01-11
Alternate Designations
2011 UA55
= 1995 WT17 = 2000 TA28
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
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Discovery Circumstances
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2019-Dec-10 03:29 UT
(server date/time)
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