Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2025 7 9.  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)
 07/20/2025   13:36:03   (  76.12, -16.15) 07/20/2025   13:34:49  (  76.13, -16.17)    0.85                74
 07/20/2025   14:26:48   ( -76.15, 151.07) 07/20/2025   14:25:45  ( -76.14, 151.15)    2.21                63
 07/20/2025   15:17:33   (  76.15, -41.60) 07/20/2025   15:16:45  (  76.15, -41.59)    0.38                48
 07/20/2025   16:08:18   ( -76.17, 125.61) 07/20/2025   16:07:41  ( -76.16, 125.73)    3.24                37
 07/20/2025   16:59:03   (  76.17, -67.06) 07/20/2025   16:58:41  (  76.17, -67.01)    1.39                22
 07/20/2025   17:49:47   ( -76.15, 100.32) 07/20/2025   17:49:37  ( -76.18, 100.30)    2.99                10
 07/20/2025   18:40:33   (  76.19, -92.51) 07/20/2025   18:40:37  (  76.18, -92.43)    2.47                 4
 07/20/2025   19:31:17   ( -76.17,  74.87) 07/20/2025   19:31:33  ( -76.20,  74.88)    2.32                16
 07/20/2025   20:22:02   (  76.17,-117.80) 07/20/2025   20:22:33  (  76.20,-117.85)    3.54                31
 07/20/2025   21:12:47   ( -76.20,  49.42) 07/20/2025   21:13:29  ( -76.21,  49.46)    2.05                42
 07/20/2025   22:03:32   (  76.19,-143.26) 07/20/2025   22:04:29  (  76.22,-143.26)    2.77                57
 07/20/2025   22:54:17   ( -76.22,  23.96) 07/20/2025   22:55:25  ( -76.23,  24.04)    2.32                68
 07/20/2025   23:45:10   (  76.57,-170.06) 07/20/2025   23:46:18  (  76.54,-167.50)   66.27                68