Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 12 24.  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)
 12/25/2023   17:41:01   ( -74.65,  94.85) 12/25/2023   17:41:17  ( -74.65,  94.80)    1.51                16
 12/25/2023   18:31:47   (  74.61, -97.73) 12/25/2023   18:30:39  (  74.61, -97.62)    3.47                68
 12/28/2023   04:54:11   ( -74.72, -73.58) 12/28/2023   04:55:16  ( -74.70, -73.59)    1.54                65
 12/28/2023   05:44:56   (  74.64,  93.95) 12/28/2023   05:44:38  (  74.67,  93.98)    3.47                18
 12/30/2023   16:58:05   (  74.67, -74.39) 12/30/2023   16:58:37  (  74.68, -74.50)    3.55                32
 12/30/2023   17:48:49   ( -74.65,  93.00) 12/30/2023   17:48:00  ( -74.64,  93.05)    1.67                49
 01/02/2024   04:11:21   (  75.05, 116.28) 01/02/2024   04:12:31  (  74.92, 117.56)   39.65                70
 01/02/2024   05:01:58   ( -74.69, -75.36) 01/02/2024   05:01:58  ( -74.68, -75.39)    1.56                 0
 01/02/2024   05:52:35   (  74.23,  93.18) 01/02/2024   05:51:26  (  74.32,  91.42)   54.00                69
 01/04/2024   16:15:07   ( -74.74, 116.27) 01/04/2024   16:15:55  ( -74.73, 116.21)    1.83                48
 01/04/2024   17:05:52   (  74.67, -76.25) 01/04/2024   17:05:17  (  74.68, -76.25)    0.31                35