Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2023 6 23.  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)
 06/24/2023   01:24:49   (  73.59, 158.76) 06/24/2023   01:25:25  (  73.60, 158.70)    2.67                36
 06/24/2023   02:15:33   ( -73.54, -33.80) 06/24/2023   02:14:50  ( -73.54, -33.79)    0.41                43
 06/26/2023   13:28:56   ( -73.63, 157.67) 06/26/2023   13:29:23  ( -73.64, 157.75)    2.52                27
 06/26/2023   14:19:41   (  73.56, -34.85) 06/26/2023   14:18:45  (  73.56, -34.76)    3.11                56
 06/29/2023   01:33:03   (  73.62, 156.72) 06/29/2023   01:33:18  (  73.62, 156.71)    0.85                15
 06/29/2023   02:23:47   ( -73.57, -35.85) 06/29/2023   02:22:43  ( -73.57, -35.75)    3.19                64
 07/01/2023   12:46:35   (  74.17, -12.95) 07/01/2023   12:47:43  (  74.08, -10.95)   61.38                68
 07/01/2023   13:37:09   ( -73.63, 155.70) 07/01/2023   13:37:16  ( -73.61, 155.68)    1.75                 7
 07/01/2023   14:27:51   (  73.40, -36.47) 07/01/2023   14:26:39  (  73.47, -36.96)   17.14                72
 07/04/2023   00:50:34   ( -73.89, -13.24) 07/04/2023   00:51:45  ( -73.79, -12.61)   22.35                71
 07/04/2023   01:41:15   (  73.62, 154.73) 07/04/2023   01:41:08  (  73.64, 154.74)    2.51                 7
 07/04/2023   02:31:50   ( -73.13, -36.82) 07/04/2023   02:30:41  ( -73.17, -38.57)   56.63                69
 07/06/2023   12:54:37   (  73.69, -13.75) 07/06/2023   12:55:40  (  73.68, -13.84)    2.94                63
 07/06/2023   13:45:21   ( -73.65, 153.68) 07/06/2023   13:45:05  ( -73.64, 153.72)    1.59                16