Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 7 13.  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)
 07/15/2025   14:20:53   ( -76.02, 152.86) 07/15/2025   14:21:19  ( -76.03, 153.00)    3.82                26
 07/15/2025   15:11:37   (  75.97, -39.64) 07/15/2025   15:10:46  (  75.96, -39.57)    2.35                51
 07/18/2025   06:37:32   ( -75.99, -91.10) 07/18/2025   06:37:50  ( -76.01, -91.19)    3.10                18
 07/18/2025   07:28:17   (  75.98,  76.24) 07/18/2025   07:27:16  (  75.98,  76.38)    3.98                61
 07/20/2025   22:03:38   (  76.46,-144.27) 07/20/2025   22:04:45  (  76.38,-141.76)   66.15                67
 07/20/2025   22:54:12   ( -76.00,  24.76) 07/20/2025   22:54:20  ( -76.02,  24.73)    2.31                 8
 07/20/2025   23:44:56   (  75.95,-167.74) 07/20/2025   23:43:47  (  75.94,-167.85)    3.03                69
 07/23/2025   14:20:09   (  76.08, -26.92) 07/23/2025   14:21:21  (  76.09, -26.82)    3.07                72
 07/23/2025   15:10:52   ( -76.02, 140.60) 07/23/2025   15:10:50  ( -76.02, 140.62)    0.77                 2
 07/23/2025   16:01:31   (  75.74, -51.11) 07/23/2025   16:00:20  (  75.80, -52.42)   36.57                71
 07/26/2025   06:36:47   (  76.05,  89.08) 07/26/2025   06:37:50  (  76.07,  89.03)    2.93                63
 07/26/2025   07:27:31   ( -76.04,-103.56) 07/26/2025   07:27:19  ( -76.01,-103.53)    2.98                12