Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2022 12 28.  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)
 01/01/2023   08:58:53   ( -76.93,-147.07) 01/01/2023   08:57:39  ( -76.93,-147.22)    3.85                74
 01/01/2023   09:49:40   (  76.96,  20.11) 01/01/2023   09:48:32  (  76.97,  20.22)    2.92                68
 01/01/2023   10:40:26   ( -76.98,-172.68) 01/01/2023   10:39:38  ( -76.96,-172.61)    3.23                48
 01/01/2023   11:31:12   (  76.97,  -5.32) 01/01/2023   11:30:32  (  76.95,  -5.36)    2.42                40
 01/01/2023   12:21:58   ( -76.99, 161.89) 01/01/2023   12:21:37  ( -76.98, 161.99)    3.03                21
 01/01/2023   13:12:44   (  76.98, -30.75) 01/01/2023   13:12:31  (  76.97, -30.76)    1.00                13
 01/01/2023   14:03:30   ( -77.01, 136.46) 01/01/2023   14:03:36  ( -77.00, 136.60)    3.50                 6
 01/01/2023   14:54:16   (  76.99, -56.18) 01/01/2023   14:54:30  (  77.00, -56.15)    0.77                14
 01/01/2023   15:45:02   ( -77.02, 111.03) 01/01/2023   15:45:36  ( -76.98, 111.01)    3.99                34
 01/01/2023   16:35:48   (  77.01, -81.62) 01/01/2023   16:36:29  (  77.02, -81.55)    2.16                41
 01/01/2023   17:26:34   ( -77.03,  85.59) 01/01/2023   17:27:35  ( -77.00,  85.62)    2.91                61
 01/01/2023   18:17:20   (  77.02,-107.05) 01/01/2023   18:18:29  (  77.00,-107.13)    2.96                69