Con tu permiso pongo los datos que he encontrado
C/2004 F4 (Bradfield)
T 2004 Apr. 17.129 TT MPCM
q 0.16749 (2000.0) P Q
Peri. 333.298 -0.791988 -0.053238
Node 222.992 -0.263131 -0.869159
e 1.0 Incl. 63.118 -0.550924 +0.491658
From 58 observations 2004 Apr. 12-20.
efemérides
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1
2004 04 15 02 00.00 +01 54.6 0.922 0.190 10.2 110.1 2.6
2004 04 20 01 24.29 +14 20.3 0.837 0.205 7.4 140.9 2.7
2004 04 25 01 03.97 +25 36.5 0.938 0.345 20.1 91.1 5.2
2004 04 30 00 59.13 +32 24.5 1.067 0.491 27.2 69.6 7.1
declinación positiva A POR ELLLLLLLLLLLLLL