PLANETE: 51 Peg B Masse: 1.89861120D+30 g [1 - 1 Jupiter mass] Luminosite interne: 3.35000000D+24 erg/s [2 - Jupiter units] Temp. equilibre: 1.19000000D+03 K [at 0.05 A.U. -51Peg] Rayon moyen: 6.98000000D+09 cm [3] Rayon equatorial: 7.14920000D+09 cm [4] Rayon polaire: 6.68450200D+09 cm [fac] [5] Periode rotation: 3.65472000D+05 sec [4.23 days] Moments gravitationnels: J2: 1.46970000D-02 [7] J4: -5.84000000D-04 [8] J6: 3.10000000D-05 [9] Sigma observationnels: SigReq: 0.00040000D+09 cm [10] SigJ2: 0.00010000D-02 [11] SigJ4: 0.05000000D-04 [12] SigJ6: 2.00000000D-05 [13] REFERENCES: [4,6-13]: Chabrier et al., ApJ 391 (1992) [6]: Lindal (1992) (Davies et al., 1986) [1,7-13]: Lindal (1992) (Campbell & Synnott, 1985) [2]: Pearl & Conrath, (1991) [3,5]: Zharkov, (1982)