Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2025 8 14.  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   16:05:20   ( -76.08, 127.52) 08/21/2025   16:04:06  ( -76.05, 126.85)   18.12                74
 08/21/2025   16:56:08   (  76.18, -65.51) 08/21/2025   16:55:05  (  76.18, -65.46)    1.37                63
 08/21/2025   17:46:52   ( -76.20, 101.74) 08/21/2025   17:46:00  ( -76.16, 101.75)    4.17                52
 08/21/2025   18:37:38   (  76.20, -90.96) 08/21/2025   18:37:01  (  76.19, -90.88)    2.19                37
 08/21/2025   19:28:21   ( -76.17,  76.45) 08/21/2025   19:27:56  ( -76.17,  76.33)    3.40                25
 08/21/2025   20:19:08   (  76.22,-116.41) 08/21/2025   20:18:57  (  76.21,-116.31)    3.10                11
 08/21/2025   21:09:51   ( -76.19,  51.00) 08/21/2025   21:09:52  ( -76.19,  50.90)    2.72                 1
 08/21/2025   22:00:37   (  76.20,-141.70) 08/21/2025   22:00:53  (  76.22,-141.74)    2.96                16
 08/21/2025   22:51:21   ( -76.22,  25.55) 08/21/2025   22:51:48  ( -76.21,  25.48)    2.26                27
 08/21/2025   23:42:07   (  76.22,-167.15) 08/21/2025   23:42:49  (  76.24,-167.16)    2.12                42
 08/22/2025   00:32:51   ( -76.24,   0.10) 08/22/2025   00:33:44  ( -76.22,   0.05)    2.14                53
 08/22/2025   01:23:37   (  76.24, 167.40) 08/22/2025   01:24:45  (  76.25, 167.41)    1.48                68
 08/22/2025   02:14:25   ( -76.44, -26.02) 08/22/2025   02:15:36  ( -76.41, -24.71)   34.46                71