求C2002T7根数！

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Orbital Elements
The following orbital elements are taken from MPC 50354:
C/2002 T7 (LINEAR)
Epoch 2004 Apr. 25.0 TT = JDT 2453120.5
T 2004 Apr. 23.0604 TT                                  MPCM
q   0.614593             (2000.0)           &nbsp               Q
z  -0.000845       Peri.  157.7366      +0.4344201      -0.8375908
+/-0.000001       Node    94.8589      -0.8683658      -0.2918032
e   1.000519       Incl.  160.5833      -0.2392068      -0.4618361
From 2431 observations 2002 Oct. 12-2003 Dec. 8, mean residual 0".5.

Elements are also available for the current standard epoch:
C/2002 T7 (LINEAR)
Epoch 2003 Dec. 27.0 TT = JDT 2453000.5
T 2004 Apr. 23.0615 TT                                  MPCM
q   0.614570             (2000.0)           &nbsp               Q
z  -0.000817       Peri.  157.7381      +0.4343767      -0.8376118
+/-0.000001       Node    94.8574      -0.8683836      -0.2917612
e   1.000502       Incl.  160.5831      -0.2392214      -0.4618245