Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 6 4.  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   ( -76.14, 102.90) 06/05/2023   16:37:30  ( -76.12,  99.36)   94.16                65
 06/05/2023   17:29:31   (  76.59, -91.47) 06/05/2023   17:28:18  (  76.61, -91.47)    2.34                73
 06/05/2023   18:20:17   ( -76.61,  75.77) 06/05/2023   18:19:18  ( -76.60,  75.75)    0.56                59
 06/05/2023   19:11:03   (  76.61,-116.94) 06/05/2023   19:10:17  (  76.61,-116.95)    0.54                46
 06/05/2023   20:01:49   ( -76.63,  50.31) 06/05/2023   20:01:17  ( -76.61,  50.27)    2.34                32
 06/05/2023   20:52:35   (  76.63,-142.40) 06/05/2023   20:52:16  (  76.62,-142.43)    1.66                19
 06/05/2023   21:43:21   ( -76.65,  24.85) 06/05/2023   21:43:15  ( -76.65,  24.97)    3.20                 6
 06/05/2023   22:34:07   (  76.65,-167.86) 06/05/2023   22:34:15  (  76.62,-167.90)    3.58                 8
 06/05/2023   23:24:53   ( -76.67,  -0.62) 06/05/2023   23:25:14  ( -76.66,  -0.51)    3.02                21
 06/06/2023   00:15:39   (  76.67, 166.67) 06/06/2023   00:16:13  (  76.67, 166.79)    3.23                34
 06/06/2023   01:06:23   ( -76.65, -25.91) 06/06/2023   01:07:12  ( -76.66, -25.99)    2.64                49
 06/06/2023   01:57:09   (  76.65, 141.38) 06/06/2023   01:58:11  (  76.67, 141.32)    2.87                62
 06/06/2023   02:47:56   ( -76.71, -51.54) 06/06/2023   02:49:11  ( -76.66, -51.47)    5.64                75