Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 12 21.  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)
 12/23/2023   05:37:08   (  74.64,  95.80) 12/23/2023   05:37:54  (  74.67,  95.72)    3.17                46
 12/23/2023   06:27:52   ( -74.63, -96.85) 12/23/2023   06:27:17  ( -74.62, -96.74)    3.67                35
 12/25/2023   17:41:01   ( -74.64,  94.88) 12/25/2023   17:41:17  ( -74.67,  94.86)    3.47                16
 12/25/2023   18:31:47   (  74.60, -97.71) 12/25/2023   18:30:40  (  74.58, -97.69)    2.43                67
 12/28/2023   04:54:11   ( -74.70, -73.54) 12/28/2023   04:55:17  ( -74.69, -73.62)    2.54                66
 12/28/2023   05:44:56   (  74.63,  93.99) 12/28/2023   05:44:39  (  74.65,  93.95)    3.32                17
 12/30/2023   16:58:06   (  74.70, -74.47) 12/30/2023   16:58:38  (  74.69, -74.48)    1.13                32
 12/30/2023   17:48:49   ( -74.63,  93.05) 12/30/2023   17:48:01  ( -74.65,  93.08)    3.04                48
 01/02/2024   04:11:22   (  75.08, 116.21) 01/02/2024   04:12:32  (  74.96, 117.65)   43.37                70
 01/02/2024   05:01:59   ( -74.71, -75.41) 01/02/2024   05:01:59  ( -74.72, -75.29)    3.72                 0