Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 7 5.  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)
 07/07/2025   13:30:54   ( -75.99, 165.26) 07/07/2025   13:31:50  ( -76.01, 165.31)    2.44                56
 07/07/2025   14:21:38   (  75.95, -27.26) 07/07/2025   14:21:17  (  75.94, -27.26)    0.45                21
 07/10/2025   05:47:33   ( -75.99, -78.82) 07/10/2025   05:48:18  ( -76.00, -78.83)    1.64                45
 07/10/2025   06:38:17   (  75.94,  88.65) 07/10/2025   06:37:45  (  75.93,  88.59)    2.03                32
 07/12/2025   22:04:13   ( -75.99,  37.07) 07/12/2025   22:04:47  ( -75.98,  37.00)    2.21                34
 07/12/2025   22:54:57   (  75.95,-155.45) 07/12/2025   22:54:13  (  75.96,-155.44)    1.34                44
 07/15/2025   14:20:53   ( -76.00, 152.96) 07/15/2025   14:21:15  ( -76.00, 152.93)    0.76                22
 07/15/2025   15:11:37   (  75.95, -39.57) 07/15/2025   15:10:41  (  75.97, -39.51)    2.59                56
 07/18/2025   05:47:01   (  76.56,  99.43) 07/18/2025   05:48:06  (  76.45, 102.65)   84.33                65
 07/18/2025   06:37:33   ( -76.01, -91.17) 07/18/2025   06:37:43  ( -76.00, -91.17)    0.42                10