Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 8 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)
 08/13/2025   23:42:48   ( -76.15,  12.70) 08/13/2025   23:43:54  ( -76.15,  12.76)    1.65                66
 08/14/2025   00:33:33   (  76.11,-179.83) 08/14/2025   00:33:21  (  76.09,-179.79)    2.62                12
 08/14/2025   01:24:04   ( -75.54, -10.55) 08/14/2025   01:22:59  ( -75.57, -13.71)   87.78                65
 08/16/2025   15:59:28   ( -76.17, 128.56) 08/16/2025   16:00:23  ( -76.14, 128.62)    3.04                55
 08/16/2025   16:50:12   (  76.08, -63.81) 08/16/2025   16:49:50  (  76.07, -63.95)    3.76                22
 08/19/2025   08:16:08   ( -76.14,-115.44) 08/19/2025   08:16:52  ( -76.17,-115.42)    3.18                44
 08/19/2025   09:06:53   (  76.10,  52.03) 08/19/2025   09:06:19  (  76.10,  52.00)    0.74                34
 08/22/2025   00:32:49   ( -76.16,   0.39) 08/22/2025   00:33:21  ( -76.18,   0.49)    3.20                32
 08/22/2025   01:23:34   (  76.12, 167.85) 08/22/2025   01:22:48  (  76.10, 167.90)    2.39                46
 08/24/2025   16:49:29   ( -76.14, 116.36) 08/24/2025   16:49:50  ( -76.17, 116.35)    2.96                21
 08/24/2025   17:40:14   (  76.10, -76.19) 08/24/2025   17:39:17  (  76.09, -76.24)    1.75                57
 08/27/2025   08:15:36   (  76.65,  63.01) 08/27/2025   08:16:42  (  76.55,  65.86)   74.05                66
 08/27/2025   09:06:09   ( -76.17,-127.85) 08/27/2025   09:06:18  ( -76.15,-127.83)    3.09                 9