Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 10 18.  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)
 10/19/2022   22:36:26   (  72.75,-160.34) 10/19/2022   22:37:35  (  72.62,-158.88)   50.48                69
 10/19/2022   23:27:00   ( -72.21,   8.07) 10/19/2022   23:27:10  ( -72.24,   8.05)    3.12                10
 10/20/2022   00:17:45   (  72.13, 175.54) 10/20/2022   00:16:37  (  72.14, 175.53)    1.94                68
 10/22/2022   14:03:29   ( -72.92, 147.58) 10/22/2022   14:04:37  ( -72.80, 149.69)   70.47                68
 10/22/2022   14:54:02   (  72.23, -43.70) 10/22/2022   14:54:13  (  72.23, -43.73)    1.27                11
 10/22/2022   15:44:45   ( -72.15, 123.78) 10/22/2022   15:43:42  ( -72.17, 123.79)    1.98                63
 10/25/2022   05:30:30   (  72.95,  95.78) 10/25/2022   05:31:37  (  72.88,  98.08)   75.57                67
 10/25/2022   06:21:01   ( -72.26, -95.48) 10/25/2022   06:21:17  ( -72.23, -95.49)    3.39                16
 10/25/2022   07:11:46   (  72.18,  71.99) 10/25/2022   07:10:43  (  72.19,  72.08)    3.11                63
 10/27/2022   20:57:33   ( -73.14,  43.65) 10/27/2022   20:58:38  ( -73.08,  46.71)   99.09                65
 10/27/2022   21:48:02   (  72.25,-147.18) 10/27/2022   21:48:19  (  72.24,-147.24)    2.51                17
 10/27/2022   22:38:45   ( -72.17,  20.29) 10/27/2022   22:37:48  ( -72.18,  20.29)    1.08                57
 10/30/2022   13:15:01   ( -72.25, 161.10) 10/30/2022   13:15:23  ( -72.27, 161.04)    2.37                22
 10/30/2022   14:05:46   (  72.16, -31.42) 10/30/2022   14:04:50  (  72.16, -31.49)    2.50                56