Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 3 17.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 03/17/2022   05:17:52   (  71.78,  99.17) 03/17/2022   05:18:54  (  71.79,  99.12)    1.72                62
 03/17/2022   06:08:35   ( -71.74, -93.43) 03/17/2022   06:08:23  ( -71.72, -93.36)    3.19                12
 03/17/2022   06:59:08   (  70.98,  75.21) 03/17/2022   06:58:00  (  71.08,  73.25)   71.92                68
 03/19/2022   20:44:59   ( -71.81,  47.35) 03/19/2022   20:45:56  ( -71.78,  47.35)    3.57                57
 03/19/2022   21:35:44   (  71.69,-145.11) 03/19/2022   21:35:23  (  71.68,-145.17)    2.18                21
 03/19/2022   22:26:12   ( -70.86,  23.66) 03/19/2022   22:25:05  ( -70.92,  21.23)   88.68                67
 03/22/2022   12:12:08   (  71.77,  -4.34) 03/22/2022   12:12:55  (  71.79,  -4.39)    2.43                47
 03/22/2022   13:02:51   ( -71.72, 163.08) 03/22/2022   13:02:24  ( -71.73, 163.14)    2.33                27
 03/25/2022   03:39:15   ( -71.81, -56.16) 03/25/2022   03:39:56  ( -71.82, -56.10)    2.31                41
 03/25/2022   04:30:00   (  71.69, 111.37) 03/25/2022   04:29:23  (  71.71, 111.37)    2.94                37
 03/27/2022   19:06:23   (  71.78,-107.88) 03/27/2022   19:06:54  (  71.79,-107.90)    0.95                31
 03/27/2022   19:57:05   ( -71.67,  59.65) 03/27/2022   19:56:24  ( -71.68,  59.55)    3.53                41
 03/30/2022   10:33:30   ( -71.82,-159.70) 03/30/2022   10:33:55  ( -71.80,-159.64)    2.60                25
 03/30/2022   11:24:15   (  71.71,   7.81) 03/30/2022   11:23:22  (  71.69,   7.82)    1.78                53