Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 5 30.  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   16:38:34   ( -76.12, 102.97) 06/05/2023   16:37:29  ( -76.14,  99.44)   94.14                65
 06/05/2023   17:29:31   (  76.62, -91.58) 06/05/2023   17:28:18  (  76.58, -91.58)    3.71                73
 06/05/2023   18:20:17   ( -76.63,  75.69) 06/05/2023   18:19:17  ( -76.62,  75.84)    3.95                60
 06/05/2023   19:11:02   (  76.59,-116.87) 06/05/2023   19:10:16  (  76.63,-116.88)    4.07                46
 06/05/2023   20:01:48   ( -76.61,  50.39) 06/05/2023   20:01:16  ( -76.63,  50.36)    2.69                32
 06/05/2023   20:52:34   (  76.62,-142.34) 06/05/2023   20:52:15  (  76.63,-142.36)    2.23                19
 06/05/2023   21:43:20   ( -76.63,  24.93) 06/05/2023   21:43:15  ( -76.63,  24.88)    1.45                 5
 06/05/2023   22:34:06   (  76.64,-167.80) 06/05/2023   22:34:14  (  76.64,-167.84)    0.98                 8
 06/05/2023   23:24:52   ( -76.65,  -0.53) 06/05/2023   23:25:14  ( -76.63,  -0.60)    2.27                22
 06/06/2023   00:15:38   (  76.66, 166.74) 06/06/2023   00:16:13  (  76.64, 166.69)    2.12                35
 06/06/2023   01:06:24   ( -76.67, -26.00) 06/06/2023   01:07:12  ( -76.68, -25.90)    2.73                48
 06/06/2023   01:57:10   (  76.68, 141.27) 06/06/2023   01:58:11  (  76.69, 141.39)    3.16                61
 06/06/2023   02:47:57   ( -76.73, -51.63) 06/06/2023   02:49:11  ( -76.68, -51.38)    8.44                74