Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2021 12 31.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/01/2022   06:37:32   (  70.74,  80.45) 01/01/2022   06:38:17  (  70.74,  80.48)    1.18                45
 01/01/2022   07:28:15   ( -70.63,-112.06) 01/01/2022   07:27:47  ( -70.62,-112.07)    1.57                28
 01/03/2022   22:04:41   ( -70.72,  28.71) 01/03/2022   22:05:17  ( -70.70,  28.66)    2.55                36
 01/03/2022   22:55:25   (  70.60,-163.78) 01/03/2022   22:54:44  (  70.60,-163.85)    2.41                41
 01/06/2022   13:31:52   (  70.75, -23.11) 01/06/2022   13:32:13  (  70.73, -23.05)    3.13                21
 01/06/2022   14:22:35   ( -70.63, 144.40) 01/06/2022   14:21:43  ( -70.61, 144.41)    1.75                52
 01/09/2022   04:08:26   (  71.27, 116.93) 01/09/2022   04:09:36  (  71.17, 118.24)   48.08                70
 01/09/2022   04:59:01   ( -70.72, -74.84) 01/09/2022   04:59:12  ( -70.74, -74.80)    1.95                11
 01/09/2022   05:49:45   (  70.61,  92.65) 01/09/2022   05:48:39  (  70.63,  92.68)    1.64                66
 01/11/2022   19:35:28   ( -70.93,  65.74) 01/11/2022   19:36:39  ( -70.90,  66.06)   11.87                71
 01/11/2022   20:26:10   (  70.72,-126.60) 01/11/2022   20:26:07  (  70.74,-126.55)    2.78                 3
 01/11/2022   21:16:51   ( -70.49,  41.09) 01/11/2022   21:15:39  ( -70.52,  40.76)   12.87                72
 01/14/2022   11:02:36   (  70.82,  14.15) 01/14/2022   11:03:36  (  70.84,  14.21)    2.92                60
 01/14/2022   11:53:19   ( -70.69,-178.33) 01/14/2022   11:53:07  ( -70.68,-178.40)    2.99                12