Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2025 5 4.  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)
 05/17/2025   12:00:10   (  75.82,   7.19) 05/17/2025   11:59:00  (  75.83,   5.48)   46.69                70
 05/17/2025   12:51:00   ( -76.09, 173.56) 05/17/2025   12:49:57  ( -76.06, 173.53)    3.32                63
 05/17/2025   13:41:45   (  76.06, -19.04) 05/17/2025   13:40:51  (  76.08, -19.13)    2.67                54
 05/17/2025   14:32:30   ( -76.11, 148.12) 05/17/2025   14:31:53  ( -76.08, 148.13)    2.95                37
 05/17/2025   15:23:15   (  76.09, -44.49) 05/17/2025   15:22:47  (  76.10, -44.53)    2.00                28
 05/17/2025   16:14:00   ( -76.13, 122.68) 05/17/2025   16:13:49  ( -76.10, 122.73)    3.00                11
 05/17/2025   17:04:45   (  76.11, -69.93) 05/17/2025   17:04:43  (  76.12, -69.93)    1.83                 2
 05/17/2025   17:55:29   ( -76.10,  97.39) 05/17/2025   17:55:45  ( -76.13,  97.33)    3.15                16
 05/17/2025   18:46:15   (  76.13, -95.38) 05/17/2025   18:46:39  (  76.14, -95.34)    2.27                24
 05/17/2025   19:36:59   ( -76.12,  71.95) 05/17/2025   19:37:41  ( -76.15,  71.92)    2.94                42
 05/17/2025   20:27:45   (  76.15,-120.82) 05/17/2025   20:28:35  (  76.17,-120.74)    3.08                50
 05/17/2025   21:18:29   ( -76.14,  46.51) 05/17/2025   21:19:37  ( -76.17,  46.52)    3.17                68
 05/17/2025   22:09:17   (  76.26,-146.60) 05/17/2025   22:10:30  (  76.23,-145.98)   16.58                73