Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2021 12 26.  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)
 01/02/2022   05:30:38   ( -77.93,-102.73) 01/02/2022   05:29:27  ( -77.93,-102.83)    2.41                71
 01/02/2022   06:21:24   (  77.95,  64.48) 01/02/2022   06:20:24  (  77.96,  64.60)    2.92                60
 01/02/2022   07:12:10   ( -77.95,-128.21) 01/02/2022   07:11:27  ( -77.94,-128.30)    2.69                43
 01/02/2022   08:02:56   (  77.97,  39.00) 01/02/2022   08:02:24  (  77.97,  39.13)    3.26                32
 01/02/2022   08:53:42   ( -77.97,-153.70) 01/02/2022   08:53:26  ( -77.98,-153.55)    3.48                16
 01/02/2022   09:44:27   (  77.95,  13.72) 01/02/2022   09:44:24  (  77.97,  13.67)    2.55                 3
 01/02/2022   10:35:13   ( -77.95,-178.98) 01/02/2022   10:35:26  ( -77.98,-179.02)    3.72                13
 01/02/2022   11:25:59   (  77.97, -11.77) 01/02/2022   11:26:24  (  77.98, -11.80)    0.93                25
 01/02/2022   12:16:45   ( -77.97, 155.54) 01/02/2022   12:17:26  ( -77.99, 155.51)    1.99                41
 01/02/2022   13:07:31   (  77.99, -37.26) 01/02/2022   13:08:24  (  77.98, -37.26)    1.03                53
 01/02/2022   13:58:17   ( -77.99, 130.05) 01/02/2022   13:59:26  ( -77.99, 130.04)    0.35                69
 01/02/2022   14:49:10   (  78.29, -64.26) 01/02/2022   14:50:17  (  78.25, -61.17)   70.03                67