Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2025 7 8.  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   (  76.13, -16.16) 07/20/2025   13:34:49  (  76.13, -16.18)    0.74                74
 07/20/2025   14:26:48   ( -76.15, 151.07) 07/20/2025   14:25:45  ( -76.14, 151.14)    2.17                63
 07/20/2025   15:17:33   (  76.15, -41.61) 07/20/2025   15:16:45  (  76.14, -41.60)    0.50                48
 07/20/2025   16:08:18   ( -76.17, 125.61) 07/20/2025   16:07:41  ( -76.16, 125.72)    3.24                37
 07/20/2025   16:59:03   (  76.17, -67.06) 07/20/2025   16:58:41  (  76.16, -67.02)    1.52                22
 07/20/2025   17:49:47   ( -76.15, 100.32) 07/20/2025   17:49:37  ( -76.18, 100.29)    2.67                10
 07/20/2025   18:40:33   (  76.19, -92.52) 07/20/2025   18:40:37  (  76.18, -92.44)    2.61                 4
 07/20/2025   19:31:17   ( -76.17,  74.87) 07/20/2025   19:31:33  ( -76.19,  74.87)    1.91                16
 07/20/2025   20:22:02   (  76.17,-117.81) 07/20/2025   20:22:33  (  76.20,-117.86)    3.10                31
 07/20/2025   21:12:47   ( -76.20,  49.41) 07/20/2025   21:13:29  ( -76.21,  49.45)    1.59                42
 07/20/2025   22:03:32   (  76.19,-143.26) 07/20/2025   22:04:29  (  76.21,-143.28)    2.23                57
 07/20/2025   22:54:17   ( -76.22,  23.96) 07/20/2025   22:55:25  ( -76.23,  24.03)    1.95                68
 07/20/2025   23:45:10   (  76.57,-170.07) 07/20/2025   23:46:18  (  76.54,-167.52)   66.10                68