Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 12 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)
 12/16/2022   20:42:38   ( -76.82,  37.26) 12/16/2022   20:41:26  ( -76.83,  35.92)   34.09                72
 12/16/2022   21:33:29   (  77.01,-156.21) 12/16/2022   21:32:16  (  77.01,-156.05)    3.94                73
 12/16/2022   22:24:14   ( -77.00,  11.12) 12/16/2022   22:23:22  ( -76.98,  11.08)    2.46                52
 12/16/2022   23:15:01   (  77.02, 178.36) 12/16/2022   23:14:16  (  76.99, 178.37)    3.26                45
 12/17/2022   00:05:46   ( -77.02, -14.31) 12/17/2022   00:05:21  ( -77.01, -14.31)    0.85                25
 12/17/2022   00:56:33   (  77.03, 152.93) 12/17/2022   00:56:15  (  77.01, 152.98)    2.26                18
 12/17/2022   01:47:18   ( -77.03, -39.74) 12/17/2022   01:47:20  ( -77.03, -39.70)    1.18                 2
 12/17/2022   02:38:05   (  77.04, 127.50) 12/17/2022   02:38:14  (  77.04, 127.59)    2.32                 9
 12/17/2022   03:28:50   ( -77.04, -65.17) 12/17/2022   03:29:19  ( -77.06, -65.09)    2.84                29
 12/17/2022   04:19:37   (  77.05, 102.07) 12/17/2022   04:20:13  (  77.06, 102.21)    3.38                36
 12/17/2022   05:10:22   ( -77.05, -90.60) 12/17/2022   05:11:19  ( -77.04, -90.66)    2.02                57
 12/17/2022   06:01:09   (  77.06,  76.64) 12/17/2022   06:02:13  (  77.04,  76.63)    2.48                64
 12/17/2022   06:52:03   ( -77.44,-117.72) 12/17/2022   06:53:09  ( -77.43,-114.31)   82.46                66