Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2025 6 18.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 06/18/2025   11:57:22   (  75.64,   9.31) 06/18/2025   11:56:16  (  75.63,   6.13)   87.96                66
 06/18/2025   12:48:17   ( -76.12, 174.98) 06/18/2025   12:47:09  ( -76.10, 175.02)    1.73                68
 06/18/2025   13:39:02   (  76.12, -17.71) 06/18/2025   13:38:02  (  76.10, -17.72)    1.91                60
 06/18/2025   14:29:47   ( -76.14, 149.53) 06/18/2025   14:29:05  ( -76.12, 149.61)    2.56                42
 06/18/2025   15:20:32   (  76.14, -43.16) 06/18/2025   15:19:58  (  76.12, -43.13)    2.25                34
 06/18/2025   16:11:16   ( -76.11, 124.24) 06/18/2025   16:11:01  ( -76.14, 124.19)    3.43                15
 06/18/2025   17:02:02   (  76.16, -68.61) 06/18/2025   17:01:54  (  76.14, -68.54)    2.95                 8
 06/18/2025   17:52:46   ( -76.14,  98.79) 06/18/2025   17:52:57  ( -76.16,  98.78)    2.94                11
 06/18/2025   18:43:31   (  76.14, -93.89) 06/18/2025   18:43:50  (  76.16, -93.95)    2.89                19
 06/18/2025   19:34:16   ( -76.16,  73.35) 06/18/2025   19:34:53  ( -76.18,  73.37)    2.74                37
 06/18/2025   20:25:01   (  76.16,-119.34) 06/18/2025   20:25:46  (  76.18,-119.36)    2.31                45
 06/18/2025   21:15:46   ( -76.18,  47.90) 06/18/2025   21:16:49  ( -76.20,  47.96)    2.90                63
 06/18/2025   22:06:31   (  76.18,-144.79) 06/18/2025   22:07:42  (  76.20,-144.77)    2.13                71