Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2025 4 27.  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)
 05/01/2025   12:01:26   (  75.77,   6.64) 05/01/2025   12:00:17  (  75.78,   4.66)   54.08                69
 05/01/2025   12:52:16   ( -76.06, 172.94) 05/01/2025   12:51:09  ( -76.04, 172.85)    3.17                67
 05/01/2025   13:43:02   (  76.06, -19.75) 05/01/2025   13:42:07  (  76.07, -19.78)    1.73                55
 05/01/2025   14:33:46   ( -76.08, 147.50) 05/01/2025   14:33:05  ( -76.06, 147.46)    1.84                41
 05/01/2025   15:24:31   (  76.08, -45.19) 05/01/2025   15:24:02  (  76.10, -45.18)    2.06                29
 05/01/2025   16:15:15   ( -76.10, 122.06) 05/01/2025   16:15:00  ( -76.09, 122.06)    0.70                15
 05/01/2025   17:06:01   (  76.10, -70.62) 05/01/2025   17:05:58  (  76.12, -70.57)    2.97                 3
 05/01/2025   17:56:45   ( -76.11,  96.63) 05/01/2025   17:56:56  ( -76.11,  96.67)    1.18                11
 05/01/2025   18:47:31   (  76.11, -96.06) 05/01/2025   18:47:55  (  76.10, -96.13)    2.54                24
 05/01/2025   19:38:15   ( -76.13,  71.19) 05/01/2025   19:38:52  ( -76.14,  71.28)    2.47                37
 05/01/2025   20:29:01   (  76.13,-121.50) 05/01/2025   20:29:51  (  76.12,-121.53)    1.34                50
 05/01/2025   21:19:45   ( -76.15,  45.75) 05/01/2025   21:20:49  ( -76.12,  45.72)    3.64                64
 05/01/2025   22:10:33   (  76.24,-147.27) 05/01/2025   22:11:46  (  76.19,-146.76)   14.66                73