Francisco

A confirmed moon in the Uranus system.

Named · Uranus XXII · S/2001 U 3

Snapshot 2026-09-09 · catalog 1.0.0

Explore Francisco in Orrery

Physical measurements

Mean radius
— No value in the admitted source set.
GM · gravitational parameter
— No value in the admitted source set.
Mass
— Mass requires an admitted GM estimate.
Mean density
— No value in the admitted source set.

Orbit descriptions

Mean elements describe an average orbit. They are not positions for a chosen date.

URA117 · ecliptic plane · 2020-01-01.0 TDB
Semimajor axis
4,275,700 km
Sidereal period
267 days
Eccentricity
0.144
Inclination to reference plane
146.8°
Argument of periapsis
137.6°
Mean anomaly
288.4°
Ascending node
101.9°
Apsidal / nodal precession periods
12,473 / 14,419 years
Reference-plane pole RA / Dec
— / —°
Plane tilt to parent equator
—°
Reference center
Not specified in this summary sourceThe summary table identifies a parent system but does not explicitly specify the reference center for each solution. Do not infer a physical-primary center, especially for Pluto’s circumbinary moons.

Orientation

No supported orientation model in the admitted PCK source.

Identity & availability

Stable catalog ID
francisco
JPL / NAIF satellite ID
722
Names & designations
Francisco · S/2001 U 3
Discovery / rediscovery years
2001J.J. Kavelaars, M. Holman, D. Milisavljevic, T. Grav

No validated dated trajectory admitted in catalog 1.0.0. Mean elements are not ephemerides.

No image or global texture admitted in this catalog release.No environment measurements admitted in this catalog release.

Sources & evidence

  1. JPL discovery circumstancestable tr[436] (zero-based); uranus / Francisco · References: IAUC 8216, IAUC 7980
  2. MPC planetary satellite listitems[53]; Uranus 22
  3. MPC satellite namesitems[55]; Uranus 22
  4. JPL mean orbital elements#sat_elem row ID=435; Uranus / Francisco / NAIF 722 · References: 43

Full catalog, uncertainty and source manifests · All Uranus moons · Moon model limits