Simultaneous Nadir Overpasses (SNOs) between FY3D and METOP-A
TLE Epoch: 2019 10 26.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(METOP-A) METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 10/26/2019   01:35:02   (  74.80, 144.31) 10/26/2019   01:34:01  (  74.82, 144.33)    2.80                61
 10/26/2019   02:25:46   ( -74.79, -48.36) 10/26/2019   02:24:43  ( -74.80, -48.41)    1.60                63
 10/26/2019   03:16:30   (  74.79, 118.96) 10/26/2019   03:15:22  (  74.80, 118.94)    1.57                68
 10/26/2019   04:07:14   ( -74.79, -73.71) 10/26/2019   04:06:04  ( -74.78, -73.80)    2.53                70
 10/26/2019   04:57:59   (  74.78,  93.61) 10/26/2019   04:56:44  (  74.79,  93.55)    1.72                75
 10/26/2019   05:48:41   ( -74.68, -98.80) 10/26/2019   05:47:27  ( -74.71, -99.32)   15.46                74
 10/26/2019   06:39:22   (  74.49,  69.04) 10/26/2019   06:38:12  (  74.47,  67.39)   49.14                70
 10/26/2019   07:30:04   ( -74.39,-123.38) 10/26/2019   07:28:55  ( -74.40,-125.47)   62.30                69
 10/26/2019   08:20:45   (  74.19,  44.44) 10/26/2019   08:19:39  (  74.21,  41.38)   92.72                66