1781-03-13

Pluto was discovered by William Herschel.

Pluto (planet URANOSU / Uranus), the astronomer William Herschel(1738 - 1822) was born in Germany was found.

Uranus is the most distant planet from the sun were the first two, Pluto (Pluto) in 2006 after being downgraded to a small planet, the current Saturn (Neptune / Neptune) from a distance, went the farthest away.

Pluto
orbit:2,870,990,000 km (19.218 AU) from Sun orbit: 2,870,990,000 km (19.218 AU) from Sun
diameter: 51,118 km (equatorial) diameter: 51,118 km (equatorial)
mass: 8.683e25 kg mass: 8.683e25 kg

Pluto has been discovered on the moon,
Satellite---Distance(000 km)---Radius(km)---Mass(kg)---Discoverer---Date Satellite --- Distance (000 km) --- Radius (km) --- Mass (kg) --- Discoverer --- Date
--------- -------- ------ ------- ---------- ----- --------- -------- ------ ------- ---------- -----
Cordelia---50---13---?---Voyager 2---1986 Cordelia --- 50 --- 13 ---? --- Voyager 2 --- 1986
Ophelia---54---16---?---Voyager 2---1986 Ophelia --- 54 --- 16 ---? --- Voyager 2 --- 1986
Bianca---59---22---?---Voyager 2---1986 Bianca --- 59 --- 22 ---? --- Voyager 2 --- 1986
Cressida---62---33---?---Voyager 2---1986 Cressida --- 62 --- 33 ---? --- Voyager 2 --- 1986
Desdemona---63---29---?---Voyager 2---1986 Desdemona --- 63 --- 29 ---? --- Voyager 2 --- 1986
Juliet---64---42---?---Voyager 2---1986 Juliet --- 64 --- 42 ---? --- Voyager 2 --- 1986
Portia---66---55---?---Voyager 2---1986 Portia --- 66 --- 55 ---? --- Voyager 2 --- 1986
Rosalind---70---27---?---Voyager 2---1986 Rosalind --- 70 --- 27 ---? --- Voyager 2 --- 1986
2003U2---75---6---?---Showalter---2003 2003U2 --- 75 --- 6 ---? --- Showalter --- 2003
Belinda---75---34---?---Voyager 2---1986 Belinda --- 75 --- 34 ---? --- Voyager 2 --- 1986
1986U10---76---40---?---Voyager 2---1986 1986U10 --- 76 --- 40 ---? --- Voyager 2 --- 1986
Puck---86---77---?---Voyager 2---1985 Puck --- 86 --- 77 ---? --- Voyager 2 --- 1985
2003U1---98---8---?---Showalter---2003 2003U1 --- 98 --- 8 ---? --- Showalter --- 2003
Miranda---130---236---6.30e19---Kuiper---1948 Miranda --- 130 --- 236 --- 6.30e19-- Kuiper --- 1948
Ariel---191---579---1.27e21---Lassell---1851 Ariel --- 191 --- 579 --- 1.27e21-- Lassell --- 1851
Umbriel---266---585---1.27e21---Lassell---1851 Umbriel --- 266 --- 585 --- 1.27e21-- Lassell --- 1851
Titania---436---789---3.49e21---Herschel---1787 Titania --- 436 --- 789 --- 3.49e21-- Herschel --- 1787
Oberon---583---761---3.03e21---Herschel---1787 Oberon --- 583 --- 761 --- 3.03e21-- Herschel --- 1787
2001U3---4281---6---?---Sheppard---2003 2001U3 --- 4281 --- 6 ---? --- Sheppard --- 2003
Caliban---7169---40---?---Gladman---1997 Caliban --- 7169 --- 40 ---? --- Gladman --- 1997
Stephano---7948---15---?---Gladman---1999 Stephano --- 7948 --- 15 ---? --- Gladman --- 1999
Trinculo---8578---5 Trinculo --- 8578 --- 5
Sycorax---12213---80---?---Nicholson---1997 Sycorax --- 12213 --- 80 ---? --- Nicholson --- 1997
2003U3---14689---6---?---Sheppard---2003 2003U3 --- 14689 --- 6 ---? --- Sheppard --- 2003
Prospero---16568---20---?---Holman---1999 Prospero --- 16568 --- 20 ---? --- Holman --- 1999
Setebos---17681---20---?---Kavelaars---1999 Setebos --- 17681 --- 20 ---? --- Kavelaars --- 1999
2002U2---21000---6--- ---Sheppard---2003 2002U2 --- 21000 --- 6 --- --- Sheppard --- 2003

11 have been confirmed in the ring.
Ring---Distance(km)---Width(km) Ring --- Distance (km) --- Width (km)
1986U2R---38000---2,500 1986U2R --- 38000 --- 2, 500
6---41840---1-3 6 --- 41840 --- 1-3
5---42230---2-3 5 --- 42230 --- 2-3
4---42580---2-3 4 --- 42580 --- 2-3
Alpha---44720---7-12 Alpha --- 44720 --- 7-12
Beta---45670---7-12 Beta --- 45670 --- 7-12
Eta---47190---0-2 Eta --- 47190 --- 0-2
Gamma---47630---1-4 Gamma --- 47630 --- 1-4
Delta---48290---3-9 Delta --- 48290 --- 3-9
1986U1R---50020---1-2 1986U1R --- 50020 --- 1-2
Epsilon---51140---20-100 Epsilon --- 51140 --- 20-100

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