Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 1 29.  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)
 01/29/2023   17:11:37   ( -73.13, 101.17) 01/29/2023   17:12:48  ( -73.01, 102.19)   35.74                71
 01/29/2023   18:02:15   (  72.72, -90.62) 01/29/2023   18:02:15  (  72.74, -90.67)    3.16                 0
 01/29/2023   18:52:55   ( -72.45,  77.25) 01/29/2023   18:51:43  ( -72.50,  76.54)   24.54                72
 02/01/2023   06:06:28   ( -72.76, -91.72) 02/01/2023   06:06:51  ( -72.78, -91.78)    2.95                23
 02/01/2023   06:57:13   (  72.69,  75.72) 02/01/2023   06:56:14  (  72.71,  75.76)    2.48                59
 02/03/2023   18:10:42   (  72.81, -92.86) 02/03/2023   18:11:25  (  72.80, -92.90)    2.06                43
 02/03/2023   19:01:26   ( -72.74,  74.60) 02/03/2023   19:00:50  ( -72.73,  74.62)    1.12                36
 02/06/2023   06:14:55   ( -72.86, -93.99) 02/06/2023   06:16:00  ( -72.85, -93.97)    1.52                65
 02/06/2023   07:05:39   (  72.75,  73.55) 02/06/2023   07:05:23  (  72.77,  73.54)    2.14                16
 02/06/2023   07:56:08   ( -71.92,-117.47) 02/06/2023   07:55:02  ( -71.96,-120.27)   96.79                66
 02/08/2023   18:19:17   (  73.34, -96.07) 02/08/2023   18:20:26  (  73.24, -94.37)   55.62                69
 02/08/2023   19:09:52   ( -72.82,  72.40) 02/08/2023   19:09:58  ( -72.81,  72.45)    1.67                 6
 02/08/2023   20:00:35   (  72.66,-119.96) 02/08/2023   19:59:22  (  72.67,-120.16)    6.84                73
 02/11/2023   07:14:04   (  72.86,  71.29) 02/11/2023   07:14:29  (  72.85,  71.36)    2.25                25
 02/11/2023   08:04:47   ( -72.73,-121.13) 02/11/2023   08:03:55  ( -72.75,-121.18)    2.71                52