Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 12 6.  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,  37.14) 12/16/2022   20:41:27  ( -76.81,  35.82)   33.75                72
 12/16/2022   21:33:29   (  77.00,-156.16) 12/16/2022   21:32:17  (  76.98,-156.16)    1.75                72
 12/16/2022   22:24:14   ( -76.99,  11.17) 12/16/2022   22:23:22  ( -77.00,  11.16)    1.07                52
 12/16/2022   23:15:01   (  77.01, 178.41) 12/16/2022   23:14:16  (  77.00, 178.45)    1.04                45
 12/17/2022   00:05:46   ( -77.00, -14.26) 12/17/2022   00:05:21  ( -77.03, -14.23)    2.55                25
 12/17/2022   00:56:33   (  77.02, 152.98) 12/17/2022   00:56:15  (  77.03, 153.06)    2.18                18
 12/17/2022   01:47:18   ( -77.01, -39.69) 12/17/2022   01:47:21  ( -77.01, -39.80)    3.00                 3
 12/17/2022   02:38:05   (  77.03, 127.55) 12/17/2022   02:38:15  (  77.01, 127.48)    2.91                10
 12/17/2022   03:28:49   ( -77.03, -65.12) 12/17/2022   03:29:19  ( -77.03, -65.19)    1.97                30
 12/17/2022   04:19:36   (  77.04, 102.12) 12/17/2022   04:20:13  (  77.03, 102.09)    1.23                37
 12/17/2022   05:10:21   ( -77.04, -90.55) 12/17/2022   05:11:18  ( -77.06, -90.58)    2.16                57
 12/17/2022   06:01:08   (  77.05,  76.69) 12/17/2022   06:02:12  (  77.06,  76.70)    0.46                64
 12/17/2022   06:52:03   ( -77.47,-117.86) 12/17/2022   06:53:08  ( -77.45,-114.23)   87.79                65