Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 12 12.  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,  35.81)   34.32                72
 12/16/2022   21:33:29   (  76.99,-156.13) 12/16/2022   21:32:17  (  76.98,-156.15)    0.76                72
 12/16/2022   22:24:14   ( -76.99,  11.18) 12/16/2022   22:23:22  ( -77.00,  11.15)    1.67                52
 12/16/2022   23:15:01   (  77.00, 178.44) 12/16/2022   23:14:16  (  77.01, 178.46)    1.02                45
 12/17/2022   00:05:46   ( -77.00, -14.24) 12/17/2022   00:05:21  ( -77.02, -14.24)    2.83                25
 12/17/2022   00:56:33   (  77.01, 153.01) 12/17/2022   00:56:15  (  77.03, 153.07)    2.68                18
 12/17/2022   01:47:17   ( -77.01, -39.67) 12/17/2022   01:47:20  ( -77.01, -39.81)    3.55                 3
 12/17/2022   02:38:04   (  77.02, 127.58) 12/17/2022   02:38:14  (  77.01, 127.49)    2.53                10
 12/17/2022   03:28:49   ( -77.02, -65.10) 12/17/2022   03:29:19  ( -77.03, -65.20)    2.71                30
 12/17/2022   04:19:36   (  77.03, 102.15) 12/17/2022   04:20:13  (  77.04, 102.10)    1.37                37
 12/17/2022   05:10:21   ( -77.03, -90.53) 12/17/2022   05:11:18  ( -77.05, -90.59)    2.83                57
 12/17/2022   06:01:08   (  77.04,  76.72) 12/17/2022   06:02:12  (  77.06,  76.71)    1.76                64
 12/17/2022   06:52:03   ( -77.47,-117.84) 12/17/2022   06:53:09  ( -77.40,-114.44)   82.74                66