Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 1 17.  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)
 01/17/2023   14:59:31   (  72.56, -44.77) 01/17/2023   14:59:58  (  72.55, -44.70)    2.78                27
 01/17/2023   15:50:14   ( -72.45, 122.77) 01/17/2023   15:49:28  ( -72.43, 122.71)    3.36                46
 01/20/2023   05:36:13   (  73.10,  94.98) 01/20/2023   05:37:21  (  73.04,  96.85)   61.17                68
 01/20/2023   06:26:47   ( -72.53, -96.49) 01/20/2023   06:26:58  ( -72.55, -96.46)    1.95                11
 01/20/2023   07:17:32   (  72.46,  70.96) 01/20/2023   07:16:25  (  72.45,  71.01)    2.28                67
 01/22/2023   21:03:19   ( -72.62,  44.22) 01/22/2023   21:04:27  ( -72.63,  44.31)    3.04                68
 01/22/2023   21:54:03   (  72.51,-148.24) 01/22/2023   21:53:54  (  72.53,-148.23)    2.11                 9
 01/22/2023   22:44:40   ( -72.08,  19.92) 01/22/2023   22:43:29  ( -72.14,  18.71)   42.13                71
 01/25/2023   12:30:35   (  72.56,  -7.45) 01/25/2023   12:31:24  (  72.57,  -7.54)    3.12                49
 01/25/2023   13:21:19   ( -72.49, 160.02) 01/25/2023   13:20:53  ( -72.50, 159.98)    1.85                26
 01/28/2023   03:57:51   ( -72.55, -59.21) 01/28/2023   03:58:22  ( -72.56, -59.30)    3.12                31
 01/28/2023   04:48:36   (  72.49, 108.22) 01/28/2023   04:47:48  (  72.51, 108.25)    1.61                48
 01/30/2023   18:34:33   ( -73.13,  80.47) 01/30/2023   18:35:42  ( -73.05,  82.27)   58.81                69
 01/30/2023   19:25:08   (  72.57,-111.03) 01/30/2023   19:25:16  (  72.57,-111.00)    0.84                 8
 01/30/2023   20:15:52   ( -72.49,  56.45) 01/30/2023   20:14:45  ( -72.51,  56.52)    3.48                67