Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2021 12 29.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/01/2022   06:37:32   (  70.75,  80.44) 01/01/2022   06:38:17  (  70.74,  80.47)    1.96                45
 01/01/2022   07:28:15   ( -70.64,-112.07) 01/01/2022   07:27:47  ( -70.62,-112.07)    2.24                28
 01/03/2022   22:04:41   ( -70.73,  28.70) 01/03/2022   22:05:16  ( -70.75,  28.74)    3.21                35
 01/03/2022   22:55:25   (  70.61,-163.80) 01/03/2022   22:54:44  (  70.59,-163.86)    2.87                41
 01/06/2022   13:31:51   (  70.71, -23.05) 01/06/2022   13:32:13  (  70.72, -23.06)    0.97                22
 01/06/2022   14:22:34   ( -70.59, 144.46) 01/06/2022   14:21:43  ( -70.61, 144.40)    2.92                51
 01/09/2022   04:08:26   (  71.29, 116.90) 01/09/2022   04:09:35  (  71.21, 118.31)   51.15                69
 01/09/2022   04:59:01   ( -70.74, -74.87) 01/09/2022   04:59:12  ( -70.72, -74.82)    2.91                11
 01/09/2022   05:49:45   (  70.64,  92.62) 01/09/2022   05:48:39  (  70.61,  92.66)    3.09                66
 01/11/2022   19:35:28   ( -70.95,  65.70) 01/11/2022   19:36:39  ( -70.89,  66.03)   14.33                71
 01/11/2022   20:26:09   (  70.69,-126.56) 01/11/2022   20:26:07  (  70.72,-126.58)    2.68                 2
 01/11/2022   21:16:51   ( -70.51,  41.05) 01/11/2022   21:15:38  ( -70.56,  40.82)    9.97                73