Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 11 15.  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)
 11/18/2025   06:18:28   ( -76.53, -85.00) 11/18/2025   06:19:34  ( -76.54, -84.91)    2.43                66
 11/18/2025   07:09:12   (  76.48,  82.50) 11/18/2025   07:09:01  (  76.47,  82.51)    1.20                11
 11/18/2025   07:59:44   ( -75.94,-108.16) 11/18/2025   07:58:39  ( -75.96,-111.49)   89.77                65
 11/20/2025   22:35:01   ( -76.54,  30.89) 11/20/2025   22:36:03  ( -76.51,  30.88)    3.11                62
 11/20/2025   23:25:45   (  76.49,-161.61) 11/20/2025   23:25:29  (  76.49,-161.55)    1.59                16
 11/23/2025   14:51:34   ( -76.52, 146.91) 11/23/2025   14:52:31  ( -76.54, 146.86)    2.68                57
 11/23/2025   15:42:18   (  76.47, -45.59) 11/23/2025   15:41:58  (  76.47, -45.74)    3.74                20
 11/26/2025   07:08:08   ( -76.56, -97.30) 11/26/2025   07:08:59  ( -76.53, -97.28)    2.73                51
 11/26/2025   07:58:52   (  76.51,  70.20) 11/26/2025   07:58:25  (  76.51,  70.27)    1.82                27
 11/28/2025   23:24:41   ( -76.57,  18.61) 11/28/2025   23:25:26  ( -76.53,  18.61)    3.43                45
 11/29/2025   00:15:25   (  76.52,-173.88) 11/29/2025   00:14:52  (  76.50,-173.85)    1.49                33