Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 12 18.  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)
 12/18/2023   06:20:03   ( -74.61, -94.92) 12/18/2023   06:20:30  ( -74.64, -94.93)    3.02                27
 12/18/2023   07:10:49   (  74.56,  72.51) 12/18/2023   07:09:53  (  74.55,  72.54)    1.10                56
 12/20/2023   17:33:18   ( -74.89,  96.05) 12/20/2023   17:34:30  ( -74.76,  96.82)   26.80                72
 12/20/2023   18:23:59   (  74.61, -95.85) 12/20/2023   18:23:54  (  74.62, -95.85)    1.60                 5
 12/20/2023   19:14:33   ( -74.11,  72.78) 12/20/2023   19:13:25  ( -74.16,  70.73)   62.40                68
 12/23/2023   05:37:09   (  74.66,  95.76) 12/23/2023   05:37:55  (  74.66,  95.71)    1.68                46
 12/23/2023   06:27:52   ( -74.59, -96.74) 12/23/2023   06:27:18  ( -74.61, -96.75)    2.07                34
 12/25/2023   17:41:02   ( -74.65,  94.86) 12/25/2023   17:41:18  ( -74.67,  94.87)    2.98                16
 12/25/2023   18:31:47   (  74.57, -97.61) 12/25/2023   18:30:41  (  74.58, -97.69)    3.14                66
 12/28/2023   04:54:11   ( -74.71, -73.55) 12/28/2023   04:55:17  ( -74.71, -73.58)    0.88                66
 12/28/2023   05:44:56   (  74.63,  93.96) 12/28/2023   05:44:39  (  74.66,  93.97)    3.56                17
 12/30/2023   16:58:06   (  74.71, -74.49) 12/30/2023   16:58:38  (  74.72, -74.43)    2.14                32
 12/30/2023   17:48:49   ( -74.63,  93.05) 12/30/2023   17:48:02  ( -74.63,  93.02)    1.02                47