S/2001 U 2
b>Sycorax
bgcolor="#ffc0c0" colspan="2" | Discovery
align="left" | Discovered by
Matthew J. Holman
John J. Kavelaars
Dan Milisavljevic
align="left" | Discovered in
August 13
2001
bgcolor="#ffc0c0" colspan="2" |
Orbital
characteristics
align="left" | Mean
radius
20,901,000
km
align="left" |
Eccentricity
?
align="left" |
Orbital period
? d
align="left" |
Inclination
? °
align="left" | Is a
satellite
of
Uranus
bgcolor="#ffc0c0" colspan="2" | Physical characteristics
align="left" | Mean
diameter
12 km
align="left" | Surface
area
?
km
2
align="left" |
Mass
Unknown
kg
align="left" | Mean
density
Unknown g/cm
3
align="left" | Surface
gravity
?
m/s
2
align="left" |
Rotation period
?
align="left" |
Axial tilt
?°
align="left" |
Albedo
align="left" | Surface
temp.
{| cellspacing="0" cellpadding="2" border="0"
min !! mean !! max
?
K
? K
? K
}
align="left" |
Atmospheric pressure
0
kPa
S/2001 U 2
is a
natural satellite
of
Uranus
. It was discovered by
Matthew J. Holman
,
John J. Kavelaars
and
Dan Milisavljevic
on
August 13
,
2001
. Despite being seen again on
September 21
and
November 15
and even a year later on
August 13
and
September 5
,
2002
, it was eventually lost. It was finally recovered on
September 24
,
2003
by
Scott S. Sheppard
on images obtained by
David C. Jewitt
and himself on
August 29
-
30
and
September 20
. Confirming observations were made by Holman on
September 30
.
Reference
IAUC 7980
IAUC 8213
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