Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2025 3 21.  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)
 03/30/2025   12:54:13   ( -75.64, 173.05) 03/30/2025   12:53:05  ( -75.65, 170.43)   72.20                68
 03/30/2025   13:45:07   (  76.02, -20.95) 03/30/2025   13:43:59  (  76.04, -20.98)    1.77                68
 03/30/2025   14:35:51   ( -76.02, 146.38) 03/30/2025   14:34:53  ( -76.04, 146.30)    2.83                58
 03/30/2025   15:26:37   (  76.04, -46.37) 03/30/2025   15:25:55  (  76.07, -46.36)    3.19                42
 03/30/2025   16:17:21   ( -76.04, 120.95) 03/30/2025   16:16:49  ( -76.07, 120.92)    3.65                32
 03/30/2025   17:08:07   (  76.05, -71.80) 03/30/2025   17:07:52  (  76.05, -71.90)    2.67                15
 03/30/2025   17:58:51   ( -76.05,  95.53) 03/30/2025   17:58:46  ( -76.05,  95.38)    3.85                 5
 03/30/2025   18:49:37   (  76.07, -97.22) 03/30/2025   18:49:48  (  76.08, -97.28)    2.03                11
 03/30/2025   19:40:21   ( -76.07,  70.10) 03/30/2025   19:40:42  ( -76.08,  70.00)    3.17                21
 03/30/2025   20:31:07   (  76.08,-122.65) 03/30/2025   20:31:44  (  76.11,-122.65)    3.16                37
 03/30/2025   21:21:52   ( -76.13,  44.51) 03/30/2025   21:22:38  ( -76.11,  44.63)    3.40                46
 03/30/2025   22:12:37   (  76.10,-148.08) 03/30/2025   22:13:41  (  76.10,-148.19)    3.06                64
 03/30/2025   23:03:21   ( -76.10,  19.25) 03/30/2025   23:04:35  ( -76.10,  19.09)    4.30                74