Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 5 12.  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)
 05/12/2023   13:05:52   (  73.37, -16.61) 05/12/2023   13:06:33  (  73.38, -16.58)    1.58                41
 05/12/2023   13:56:35   ( -73.28, 150.92) 05/12/2023   13:55:58  ( -73.27, 150.84)    2.79                37
 05/15/2023   01:09:55   ( -73.41, -17.66) 05/15/2023   01:10:37  ( -73.41, -17.57)    3.20                42
 05/15/2023   02:00:39   (  73.29, 149.91) 05/15/2023   02:00:01  (  73.29, 149.84)    2.31                38
 05/17/2023   13:13:59   (  73.38, -18.59) 05/17/2023   13:14:41  (  73.40, -18.64)    2.66                42
 05/17/2023   14:04:43   ( -73.32, 148.86) 05/17/2023   14:04:05  ( -73.34, 148.91)    2.76                38
 05/20/2023   01:18:03   ( -73.42, -19.65) 05/20/2023   01:18:45  ( -73.42, -19.63)    1.09                42
 05/20/2023   02:08:48   (  73.36, 147.79) 05/20/2023   02:08:08  (  73.34, 147.87)    3.06                40
 05/22/2023   13:22:07   (  73.42, -20.63) 05/22/2023   13:22:47  (  73.44, -20.63)    2.35                40
 05/22/2023   14:12:51   ( -73.35, 146.83) 05/22/2023   14:12:12  ( -73.34, 146.82)    1.14                39
 05/25/2023   01:26:11   ( -73.46, -21.71) 05/25/2023   01:26:50  ( -73.46, -21.62)    2.85                39
 05/25/2023   02:16:55   (  73.36, 145.82) 05/25/2023   02:16:13  (  73.37, 145.84)    0.89                42