Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 10 28.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 10/29/2023   19:24:04   (  74.25,-110.78) 10/29/2023   19:25:09  (  74.19,-107.69)   93.57                65
 10/29/2023   20:14:34   ( -73.52,  58.35) 10/29/2023   20:14:50  ( -73.50,  58.41)    2.90                16
 10/29/2023   21:05:17   (  73.40,-134.07) 10/29/2023   21:04:16  (  73.42,-134.12)    2.25                61
 11/01/2023   11:41:35   (  73.53,   6.62) 11/01/2023   11:41:50  (  73.52,   6.70)    2.53                15
 11/01/2023   12:32:18   ( -73.43, 174.15) 11/01/2023   12:31:19  ( -73.46, 174.20)    3.31                59
 11/04/2023   03:08:35   ( -73.52, -45.06) 11/04/2023   03:08:53  ( -73.54, -45.03)    2.79                18
 11/04/2023   03:59:20   (  73.45, 122.41) 11/04/2023   03:58:20  (  73.45, 122.42)    0.46                60
 11/06/2023   18:35:37   (  73.54, -96.83) 11/06/2023   18:35:53  (  73.55, -96.76)    2.34                16
 11/06/2023   19:26:20   ( -73.45,  70.70) 11/06/2023   19:25:23  ( -73.43,  70.64)    2.29                57
 11/09/2023   10:02:37   ( -73.55,-148.56) 11/09/2023   10:02:55  ( -73.56,-148.49)    2.64                18
 11/09/2023   10:53:22   (  73.48,  18.92) 11/09/2023   10:52:22  (  73.46,  18.95)    1.97                60