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TaHe of the Elliptic Motions of the Planed, as given by La Place in his. Sytleme du Monde, Troisicme Edition, 1808.

-^' —— L— irrrr

Mean Longitude of tlie Perihelion, at

the same Epoch, 1801.

Mercury 74° 21' 46 9

Venus 128 37 0 9

Earth .99 30 5 0

Mars 302 24 23 8

Jupiter 11 8 35 0

Saturn 89 8 57 8

GeorgiumSidus,,. ..167 21 41 -9
The Secular Sidereal motion of the

Perihelion.

Mercury +0° 9' 43" 5

Venus —0 4 27 8

Earth +0 19 39 8

Mars +0 26 22 4

J"l'"er +0 11 3 8

Saturn ,..+0 32 17 0

GeorgiumSidus.... 0 3 59 S
Inclination of their Orbits to the

Ecliptic.

Secular Variation.

Mercury 70 0' 9'1 .. + 18''2

Venus 3 23 33 ..— 4 S

Earth 0 0 0 0 t)

Mars,. 1 51 3 ..— 0 15

Jupiter 1 18 51 ..—22 61

Saturn........2 29 38 15 51

Georgium Sidus 0 46 26 ..+ 3 13

i Mean Longitude of their ascending

Nodes <m the Ecliptic, same Epoch.

_, * _ . Secula Variation,

Mercnry 45* 57' 31" 0° 13' 2"

Venus.. 74 52 89 —0 31 10

Earth ..0 0 0 ..0 0 0

Mars.. ..48 1 28—0 38 48

J-Biter... 98 25 34—0 26 17

Saturn..Ill 55 46 —0 37 46

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dus J

N. B. Ali these are for the Epoch

of midnight, which separates the 31st

December 1800, and the 1st January

1801, mean time at Paris.

Semi Major Axes of their Orbits, or

their Mean Distances.

Mercury 0 3870981

Venus 0'7233323

Earth 1 0000000

Mars 1 5236935

Jupiter , 5-2027911

Saturn 9'5387705

Georgium Sidus 19-1833050

Proportion of the Eccentricity of the

Semi Major Axes*

Secu'ir Variation.

Mercury .0'20551494+OOJ0003867
Venus ...000685298—0 000062711
Earth.. ..0-01685318—0-0000416:2

Mars 0-09313400+0 000090176

Jupiter ..004817840+0-000159350
Saturn.. .0 05616830—0000312402

GSiousf 0'O4667030—0-OOO025072

Their mean Longitudes from the Vernal Equinox, at the Midnight, which separates the S\st December, 1800, and the 1st January, 1801, mean time at Paris.

Mercury 163° 56'

Venus 10 44

Karth 100 9

Mars 64

Jupiter 112

Saturn 135

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7 12 20

Georgium Siduj.. 177 47 17

99

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10

52

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1812.

Qlendinaing, Printer, 25, Hatton Garden, London.

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