Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2025 8 12.  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)
 08/21/2025   16:05:19   ( -76.07, 127.58) 08/21/2025   16:04:06  ( -76.02, 126.72)   23.83                73
 08/21/2025   16:56:07   (  76.16, -65.45) 08/21/2025   16:55:04  (  76.18, -65.44)    2.09                63
 08/21/2025   17:46:51   ( -76.18, 101.80) 08/21/2025   17:45:59  ( -76.16, 101.77)    1.72                52
 08/21/2025   18:37:37   (  76.18, -90.91) 08/21/2025   18:37:00  (  76.20, -90.87)    1.69                37
 08/21/2025   19:28:21   ( -76.20,  76.35) 08/21/2025   19:27:55  ( -76.18,  76.35)    2.18                26
 08/21/2025   20:19:07   (  76.21,-116.36) 08/21/2025   20:18:56  (  76.21,-116.29)    1.80                11
 08/21/2025   21:09:51   ( -76.22,  50.90) 08/21/2025   21:09:51  ( -76.20,  50.93)    2.88                 0
 08/21/2025   22:00:37   (  76.23,-141.81) 08/21/2025   22:00:52  (  76.23,-141.72)    2.36                15
 08/21/2025   22:51:20   ( -76.20,  25.62) 08/21/2025   22:51:47  ( -76.21,  25.50)    3.40                27
 08/21/2025   23:42:07   (  76.25,-167.26) 08/21/2025   23:42:48  (  76.24,-167.14)    3.14                41
 08/22/2025   00:32:50   ( -76.22,   0.17) 08/22/2025   00:33:43  ( -76.23,   0.08)    2.50                53
 08/22/2025   01:23:36   (  76.23, 167.45) 08/22/2025   01:24:44  (  76.26, 167.43)    3.53                68
 08/22/2025   02:14:24   ( -76.42, -25.95) 08/22/2025   02:15:36  ( -76.38, -24.85)   29.29                72