Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2025 4 15.  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)
 04/15/2025   12:02:29   (  75.58,   6.58) 04/15/2025   12:01:23  (  75.59,   3.48)   85.83                66
 04/15/2025   12:53:23   ( -76.06, 172.26) 04/15/2025   12:52:08  ( -76.02, 172.23)    3.85                75
 04/15/2025   13:44:09   (  76.05, -20.42) 04/15/2025   13:43:09  (  76.07, -20.35)    3.10                60
 04/15/2025   14:34:53   ( -76.07, 146.82) 04/15/2025   14:34:04  ( -76.05, 146.84)    2.72                49
 04/15/2025   15:25:39   (  76.07, -45.85) 04/15/2025   15:25:06  (  76.06, -45.89)    1.90                33
 04/15/2025   16:16:23   ( -76.09, 121.39) 04/15/2025   16:16:00  ( -76.08, 121.46)    2.35                23
 04/15/2025   17:07:09   (  76.09, -71.28) 04/15/2025   17:07:02  (  76.08, -71.28)    0.37                 7
 04/15/2025   17:57:53   ( -76.11,  95.96) 04/15/2025   17:57:56  ( -76.11,  96.07)    3.05                 3
 04/15/2025   18:48:39   (  76.10, -96.71) 04/15/2025   18:48:58  (  76.11, -96.67)    1.41                19
 04/15/2025   19:39:23   ( -76.13,  70.53) 04/15/2025   19:39:53  ( -76.09,  70.52)    4.20                30
 04/15/2025   20:30:09   (  76.12,-122.15) 04/15/2025   20:30:54  (  76.14,-122.06)    3.03                45
 04/15/2025   21:20:53   ( -76.14,  45.09) 04/15/2025   21:21:49  ( -76.11,  45.14)    3.30                56
 04/15/2025   22:11:39   (  76.14,-147.58) 04/15/2025   22:12:51  (  76.12,-147.61)    2.21                72
 04/15/2025   23:02:30   ( -76.47,  18.49) 04/15/2025   23:03:38  ( -76.45,  20.91)   63.05                68