Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 8 19.  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)
 08/23/2023   00:31:30   ( -76.10, -14.07) 08/23/2023   00:30:22  ( -76.07, -16.72)   70.84                68
 08/23/2023   01:22:23   (  76.38, 152.21) 08/23/2023   01:21:09  (  76.41, 151.85)    9.73                74
 08/23/2023   02:13:09   ( -76.44, -40.69) 08/23/2023   02:12:12  ( -76.46, -40.72)    2.20                57
 08/23/2023   03:03:56   (  76.45, 126.56) 08/23/2023   03:03:07  (  76.45, 126.51)    1.26                49
 08/23/2023   03:54:41   ( -76.46, -66.17) 08/23/2023   03:54:11  ( -76.45, -66.23)    2.09                30
 08/23/2023   04:45:28   (  76.48, 101.08) 08/23/2023   04:45:05  (  76.49, 101.18)    2.66                23
 08/23/2023   05:36:13   ( -76.49, -91.65) 08/23/2023   05:36:09  ( -76.49, -91.57)    2.08                 4
 08/23/2023   06:27:00   (  76.50,  75.60) 08/23/2023   06:27:04  (  76.48,  75.66)    3.11                 4
 08/23/2023   07:17:44   ( -76.47,-116.96) 08/23/2023   07:18:08  ( -76.49,-117.08)    3.48                24
 08/23/2023   08:08:31   (  76.49,  50.29) 08/23/2023   08:09:03  (  76.48,  50.15)    3.70                32
 08/23/2023   08:59:16   ( -76.50,-142.44) 08/23/2023   09:00:06  ( -76.53,-142.42)    3.11                50
 08/23/2023   09:50:03   (  76.51,  24.81) 08/23/2023   09:51:01  (  76.52,  24.81)    0.28                58
 08/23/2023   10:40:50   ( -76.61,-168.26) 08/23/2023   10:42:03  ( -76.61,-167.58)   17.63                73
 08/23/2023   11:31:45   (  76.98,  -2.44) 08/23/2023   11:32:50  (  76.94,   1.09)   88.81                65