Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 5 31.  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)
 06/05/2023   16:38:35   ( -76.13, 102.93) 06/05/2023   16:37:30  ( -76.13,  99.40)   93.94                65
 06/05/2023   17:29:31   (  76.58, -91.45) 06/05/2023   17:28:18  (  76.62, -91.45)    3.60                73
 06/05/2023   18:20:17   ( -76.60,  75.81) 06/05/2023   18:19:18  ( -76.61,  75.79)    1.94                59
 06/05/2023   19:11:03   (  76.61,-116.92) 06/05/2023   19:10:17  (  76.62,-116.92)    1.69                46
 06/05/2023   20:01:49   ( -76.62,  50.34) 06/05/2023   20:01:17  ( -76.62,  50.31)    0.76                32
 06/05/2023   20:52:35   (  76.63,-142.38) 06/05/2023   20:52:16  (  76.63,-142.40)    0.50                19
 06/05/2023   21:43:21   ( -76.64,  24.88) 06/05/2023   21:43:16  ( -76.62,  24.84)    2.34                 5
 06/05/2023   22:34:06   (  76.65,-167.85) 06/05/2023   22:34:14  (  76.63,-167.88)    2.26                 8
 06/05/2023   23:24:52   ( -76.66,  -0.58) 06/05/2023   23:25:13  ( -76.67,  -0.47)    3.04                21
 06/06/2023   00:15:38   (  76.67, 166.69) 06/06/2023   00:16:12  (  76.68, 166.82)    3.51                34
 06/06/2023   01:06:24   ( -76.68, -26.05) 06/06/2023   01:07:12  ( -76.67, -25.95)    2.80                48
 06/06/2023   01:57:10   (  76.69, 141.23) 06/06/2023   01:58:11  (  76.68, 141.35)    3.33                61
 06/06/2023   02:47:56   ( -76.70, -51.51) 06/06/2023   02:49:11  ( -76.67, -51.43)    3.81                75