Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 3 20.  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)
 03/21/2023   22:30:13   (  72.80,-157.15) 03/21/2023   22:30:39  (  72.80,-157.07)    2.82                26
 03/21/2023   23:20:55   ( -72.69,  10.40) 03/21/2023   23:20:09  ( -72.68,  10.33)    2.62                46
 03/24/2023   13:06:53   (  73.59, -18.00) 03/24/2023   13:07:58  (  73.48, -15.11)   91.85                65
 03/24/2023   13:57:21   ( -72.78, 151.14) 03/24/2023   13:57:39  ( -72.77, 151.12)    0.92                18
 03/24/2023   14:48:07   (  72.71, -41.42) 03/24/2023   14:47:06  (  72.68, -41.41)    3.48                61
 03/27/2023   04:33:55   ( -73.23, -68.92) 03/27/2023   04:35:05  ( -73.10, -67.63)   44.00                70
 03/27/2023   05:24:33   (  72.77,  99.39) 03/27/2023   05:24:36  (  72.80,  99.41)    3.10                 3
 03/27/2023   06:15:16   ( -72.71, -93.16) 03/27/2023   06:14:06  ( -72.68, -93.18)    3.29                70
 03/29/2023   20:00:59   (  72.84,-119.82) 03/29/2023   20:02:07  (  72.83,-119.92)    3.41                68
 03/29/2023   20:51:42   ( -72.77,  47.63) 03/29/2023   20:51:36  ( -72.76,  47.60)    1.75                 6
 03/29/2023   21:42:19   (  72.26,-144.00) 03/29/2023   21:41:10  (  72.29,-145.64)   55.53                69
 04/01/2023   11:28:08   ( -72.86,-171.61) 04/01/2023   11:29:05  ( -72.87,-171.58)    1.66                57
 04/01/2023   12:18:53   (  72.75,  -4.07) 04/01/2023   12:18:32  (  72.77,  -4.13)    3.02                21