Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 2 15.  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)
 02/17/2022   18:14:09   ( -71.14,  85.99) 02/17/2022   18:15:20  ( -71.09,  86.39)   15.39                71
 02/17/2022   19:04:51   (  70.88,-106.26) 02/17/2022   19:04:49  (  70.88,-106.30)    1.42                 2
 02/17/2022   19:55:32   ( -70.70,  61.35) 02/17/2022   19:54:19  ( -70.76,  61.16)    9.58                73
 02/20/2022   09:41:16   (  70.97,  34.50) 02/20/2022   09:42:18  (  70.96,  34.45)    2.37                62
 02/20/2022   10:31:59   ( -70.90,-158.06) 02/20/2022   10:31:47  ( -70.90,-158.02)    1.55                12
 02/20/2022   11:22:33   (  70.22,  10.36) 02/20/2022   11:21:24  (  70.25,   8.66)   64.05                69
 02/23/2022   01:08:23   ( -71.00, -17.31) 02/23/2022   01:09:15  ( -70.98, -17.29)    2.36                52
 02/23/2022   01:59:08   (  70.89, 150.18) 02/23/2022   01:58:42  (  70.87, 150.19)    2.22                26
 02/25/2022   16:35:33   (  71.00, -69.07) 02/25/2022   16:36:10  (  71.00, -69.01)    2.08                37
 02/25/2022   17:26:15   ( -70.88,  98.45) 02/25/2022   17:25:40  ( -70.88,  98.45)    0.81                35
 02/28/2022   08:02:40   ( -70.99,-120.81) 02/28/2022   08:03:08  ( -71.00,-120.77)    1.69                28
 02/28/2022   08:53:25   (  70.88,  46.68) 02/28/2022   08:52:35  (  70.88,  46.70)    0.97                50