Mean ano 
Longitude o 
Inclination, | :: eM 
Angle of excentricity, , : Ml 31-52 7 s 
Mean daily -heliocentric mo , so» 9894-309F 
Frc n which are —— 
ny: ‘ . 0-1999033 
ays: major, . , 
Time of Soma be - & 3 yrs. 777447 
5. Elements of the Planet Metis, (Institut, July 12, 1848.)—Mr. 
Graham, of Markree, Ireland, has furnished the following elements of 
the planet Metis, discovered “a him, April 25, 1848. It is his second 
approximation, and is based the ee aan made at Markree, 
April 26, May 5 and 19. 
_. Epoch, 1848, May 0:0, ad tiv: A Sen 
Mest nomaly, : 141° 54’ 183 
angie of. perihelion, ‘ : 72.50 8 -16)M. eqx. 
scending node, ; 5 . 68 29 40 -44 } May 0 
qe on, a 5 35 23 -98 
-. . fexcentricity, eperne -....t- 18. 36. 92 ‘ 
Log. i axis major, . : . 03777174 
: eas ails motion we ad 
are! of sidereal revolution, 1346 days. 
6. Speculations ~ Pen next Planet Jeoteed Neptune ; by M. Basinet, 
(Institut, Aug. 23, 1848.)—The fact that the planet Neptune differs so 
eae & in - bi and mass from the theoretical planet of Le Ver- 
and Adam M. Babinet to undertake ait i prengee hav- 
ng a its sien * ascertain if the st cure the motions f 
rar 
to obtain ine sane a resuliant effect ; and consequently sins must be the 
mass, the distance, the longitude, and thé apparent size of a new planet 
which Pi ‘with Neptune, will represent the theoretical planet 0 
Le Verrie 
“Babinet gives Ne — results of his investigations, as as proba- 
ie. within certain lin 
ne planet coaplaaeee to Neptune is in mass, size, and brill- 
ancy, at an equal distance, little — from Uranus. Hyperion is 
as its name. 
"2. Its distance from the sun is forty-seven or forty-eight times that 
F the earth’ s distance. dk 
Its period of revaotion is double that ‘ meen as that of Nep- 
tune Sect that of Ura pee 
