Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 4 13.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/13/2018   03:21:09   ( -68.37, -51.79) 04/13/2018   03:22:20  ( -68.35, -51.72)    3.85                71
 04/13/2018   04:11:52   (  68.19, 115.75) 04/13/2018   04:11:48  (  68.18, 115.72)    1.60                 4
 04/13/2018   05:02:32   ( -68.00, -76.70) 04/13/2018   05:01:19  ( -68.02, -76.83)    6.10                73
 04/15/2018   19:38:02   ( -68.31,  64.06) 04/15/2018   19:38:53  ( -68.29,  64.07)    2.32                51
 04/15/2018   20:28:46   (  68.18,-128.47) 04/15/2018   20:28:20  (  68.18,-128.42)    2.17                26
 04/15/2018   21:19:12   ( -67.24,  40.00) 04/15/2018   21:18:04  ( -67.29,  38.21)   77.52                68
 04/18/2018   11:04:33   (  69.40,  11.04) 04/18/2018   11:05:39  (  69.27,  13.54)   99.28                66
 04/18/2018   11:54:55   ( -68.25, 179.92) 04/18/2018   11:55:25  ( -68.28, 179.93)    3.49                30
 04/18/2018   12:45:39   (  68.13, -12.62) 04/18/2018   12:44:53  (  68.11, -12.63)    2.03                46
 04/21/2018   03:21:13   (  68.65, 127.84) 04/21/2018   03:22:24  (  68.53, 128.47)   28.85                71
 04/21/2018   04:11:48   ( -68.19, -64.23) 04/21/2018   04:11:58  ( -68.21, -64.29)    3.17                10
 04/21/2018   05:02:32   (  68.07, 103.23) 04/21/2018   05:01:25  (  68.09, 103.22)    2.33                67
 04/23/2018   19:38:00   (  68.33,-115.96) 04/23/2018   19:38:58  (  68.34,-115.90)    2.66                58
 04/23/2018   20:28:41   ( -68.18,  51.55) 04/23/2018   20:28:29  ( -68.18,  51.55)    0.27                12
 04/23/2018   21:19:15   (  67.53,-140.34) 04/23/2018   21:18:05  (  67.56,-141.52)   50.57                70
 04/26/2018   11:54:53   (  68.28,  -0.12) 04/26/2018   11:55:31  (  68.25,  -0.13)    2.92                38
 04/26/2018   12:45:34   ( -68.13, 167.39) 04/26/2018   12:45:01  ( -68.15, 167.39)    3.19                33