Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 12 4.  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)
 12/16/2022   20:42:39   ( -76.85,  37.15) 12/16/2022   20:41:27  ( -76.81,  35.84)   33.39                72
 12/16/2022   21:33:29   (  76.99,-156.15) 12/16/2022   21:32:17  (  76.98,-156.14)    1.08                72
 12/16/2022   22:24:14   ( -76.99,  11.18) 12/16/2022   22:23:22  ( -77.01,  11.18)    1.99                52
 12/16/2022   23:15:01   (  77.01, 178.42) 12/16/2022   23:14:16  (  77.01, 178.47)    1.27                45
 12/17/2022   00:05:46   ( -77.00, -14.25) 12/17/2022   00:05:21  ( -77.03, -14.20)    3.58                25
 12/17/2022   00:56:33   (  77.02, 152.99) 12/17/2022   00:56:15  (  77.03, 153.08)    2.83                18
 12/17/2022   01:47:18   ( -77.01, -39.67) 12/17/2022   01:47:21  ( -77.01, -39.78)    2.62                 3
 12/17/2022   02:38:05   (  77.03, 127.56) 12/17/2022   02:38:15  (  77.01, 127.50)    2.09                10
 12/17/2022   03:28:50   ( -77.02, -65.10) 12/17/2022   03:29:20  ( -77.04, -65.17)    2.31                30
 12/17/2022   04:19:37   (  77.04, 102.13) 12/17/2022   04:20:14  (  77.04, 102.11)    0.42                37
 12/17/2022   05:10:22   ( -77.03, -90.53) 12/17/2022   05:11:19  ( -77.06, -90.55)    3.16                57
 12/17/2022   06:01:09   (  77.05,  76.70) 12/17/2022   06:02:13  (  77.06,  76.73)    1.40                64
 12/17/2022   06:52:04   ( -77.47,-117.84) 12/17/2022   06:53:10  ( -77.41,-114.40)   83.63                66