Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 1 14.  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)
 01/14/2022   11:02:36   (  70.80,  14.18) 01/14/2022   11:03:38  (  70.80,  14.14)    1.30                62
 01/14/2022   11:53:20   ( -70.73,-178.40) 01/14/2022   11:53:07  ( -70.74,-178.32)    3.00                13
 01/14/2022   12:43:53   (  70.04,  -9.98) 01/14/2022   12:42:44  (  70.09, -11.62)   62.38                69
 01/17/2022   02:29:46   ( -70.84, -37.65) 01/17/2022   02:30:39  ( -70.81, -37.61)    2.93                53
 01/17/2022   03:20:30   (  70.72, 129.85) 01/17/2022   03:20:06  (  70.71, 129.88)    1.91                24
 01/17/2022   04:10:57   ( -69.76, -61.33) 01/17/2022   04:09:50  ( -69.83, -63.75)   93.24                67
 01/19/2022   17:56:55   (  70.83, -89.41) 01/19/2022   17:57:36  (  70.84, -89.33)    3.03                41
 01/19/2022   18:47:38   ( -70.71,  78.10) 01/19/2022   18:47:06  ( -70.73,  78.13)    2.14                32
 01/22/2022   09:24:04   ( -70.82,-141.16) 01/22/2022   09:24:38  ( -70.80,-141.16)    2.43                34
 01/22/2022   10:14:48   (  70.71,  26.33) 01/22/2022   10:14:05  (  70.69,  26.32)    2.50                43
 01/25/2022   00:51:14   (  70.83, 167.06) 01/25/2022   00:51:36  (  70.81, 167.10)    2.13                22
 01/25/2022   01:41:57   ( -70.70, -25.42) 01/25/2022   01:41:06  ( -70.71, -25.43)    0.55                51
 01/27/2022   15:27:50   (  71.46, -53.12) 01/27/2022   15:28:59  (  71.37, -51.44)   60.77                69
 01/27/2022   16:18:23   ( -70.82, 115.30) 01/27/2022   16:18:37  ( -70.83, 115.35)    2.05                14
 01/27/2022   17:09:07   (  70.71, -77.21) 01/27/2022   17:08:04  (  70.71, -77.18)    1.19                63