Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 12 22.  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)
 12/22/2020   14:51:49   (  69.27, -43.55) 12/22/2020   14:53:01  (  69.26, -43.54)    1.83                72
 12/22/2020   15:42:30   ( -69.16, 123.94) 12/22/2020   15:42:31  ( -69.14, 123.95)    1.35                 1
 12/22/2020   16:33:12   (  68.95, -68.47) 12/22/2020   16:31:59  (  68.98, -68.61)    6.62                73
 12/25/2020   07:08:15   (  69.52,  72.02) 12/25/2020   07:09:26  (  69.46,  72.61)   24.01                71
 12/25/2020   07:58:52   ( -69.19,-120.19) 12/25/2020   07:58:59  ( -69.18,-120.12)    2.83                 7
 12/25/2020   08:49:35   (  69.04,  47.33) 12/25/2020   08:48:27  (  69.02,  47.31)    2.96                68
 12/27/2020   23:24:40   (  69.78,-172.42) 12/27/2020   23:25:50  (  69.65,-171.25)   47.14                70
 12/28/2020   00:15:12   ( -69.18,  -4.24) 12/28/2020   00:15:27  ( -69.16,  -4.28)    2.70                15
 12/28/2020   01:05:55   (  69.03, 163.28) 12/28/2020   01:04:54  (  69.05, 163.23)    2.86                61
 12/30/2020   15:41:06   (  70.03, -56.88) 12/30/2020   15:42:14  (  69.90, -55.04)   71.56                68
 12/30/2020   16:31:33   ( -69.17, 111.70) 12/30/2020   16:31:55  ( -69.19, 111.64)    3.25                22
 12/30/2020   17:22:17   (  69.07, -80.85) 12/30/2020   17:21:22  (  69.07, -80.86)    0.54                55
 01/02/2021   07:57:32   (  70.28,  58.66) 01/02/2021   07:58:38  (  70.14,  61.18)   96.19                66
 01/02/2021   08:47:55   ( -69.21,-132.43) 01/02/2021   08:48:23  ( -69.21,-132.46)    0.96                28
 01/02/2021   09:38:39   (  69.11,  35.02) 01/02/2021   09:37:50  (  69.09,  35.04)    2.33                49
 01/05/2021   01:04:17   ( -69.25, -16.57) 01/05/2021   01:04:51  ( -69.22, -16.56)    3.16                34