Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 10 23.  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)
 10/24/2023   20:07:29   ( -76.05,  53.01) 10/24/2023   20:06:19  ( -76.07,  51.08)   51.71                70
 10/24/2023   20:58:21   (  76.32,-140.65) 10/24/2023   20:57:15  (  76.34,-140.65)    2.60                66
 10/24/2023   21:49:07   ( -76.35,  26.53) 10/24/2023   21:48:12  ( -76.32,  26.53)    3.50                55
 10/24/2023   22:39:53   (  76.35,-166.15) 10/24/2023   22:39:14  (  76.33,-166.19)    2.55                39
 10/24/2023   23:30:38   ( -76.34,   1.20) 10/24/2023   23:30:10  ( -76.35,   1.16)    1.67                28
 10/25/2023   00:21:24   (  76.34, 168.51) 10/25/2023   00:21:12  (  76.36, 168.44)    3.14                12
 10/25/2023   01:12:10   ( -76.37, -24.30) 10/25/2023   01:12:08  ( -76.38, -24.21)    2.61                 2
 10/25/2023   02:02:56   (  76.37, 143.01) 10/25/2023   02:03:10  (  76.39, 143.07)    2.87                14
 10/25/2023   02:53:41   ( -76.36, -49.64) 10/25/2023   02:54:07  ( -76.37, -49.75)    3.26                26
 10/25/2023   03:44:28   (  76.40, 117.51) 10/25/2023   03:45:09  (  76.38, 117.53)    2.62                41
 10/25/2023   04:35:13   ( -76.39, -75.14) 10/25/2023   04:36:05  ( -76.40, -75.12)    1.00                52
 10/25/2023   05:25:59   (  76.39,  92.18) 10/25/2023   05:27:07  (  76.41,  92.16)    2.32                68
 10/25/2023   06:16:49   ( -76.60,-101.32) 10/25/2023   06:18:00  ( -76.56, -99.98)   34.88                71