Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 1 12.  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)
 01/12/2018   11:04:32   (  68.35,  12.55) 01/12/2018   11:05:11  (  68.36,  12.54)    0.95                39
 01/12/2018   11:55:14   ( -68.26, 179.98) 01/12/2018   11:54:41  ( -68.24,-179.96)    3.07                33
 01/15/2018   02:30:55   ( -69.09, -39.99) 01/15/2018   02:32:04  ( -68.96, -38.47)   62.02                69
 01/15/2018   03:21:26   (  68.28, 128.40) 01/15/2018   03:21:41  (  68.30, 128.35)    3.03                15
 01/15/2018   04:12:08   ( -68.19, -64.16) 01/15/2018   04:11:11  ( -68.19, -64.15)    0.76                57
 01/17/2018   18:47:37   ( -68.38,  76.73) 01/17/2018   18:48:43  ( -68.41,  76.72)    3.23                66
 01/17/2018   19:38:21   (  68.27,-115.81) 01/17/2018   19:38:11  (  68.25,-115.83)    2.61                10
 01/17/2018   20:28:57   ( -67.85,  52.03) 01/17/2018   20:27:45  ( -67.92,  51.41)   26.76                72
 01/20/2018   11:04:31   ( -68.37,-167.48) 01/20/2018   11:05:12  ( -68.36,-167.46)    1.29                41
 01/20/2018   11:55:14   (  68.20,   0.04) 01/20/2018   11:54:40  (  68.19,  -0.02)    2.85                34
 01/23/2018   02:30:54   (  68.99, 140.14) 01/23/2018   02:32:03  (  68.91, 141.46)   53.54                69
 01/23/2018   03:21:25   ( -68.30, -51.63) 01/23/2018   03:21:42  ( -68.30, -51.65)    1.04                17
 01/23/2018   04:12:09   (  68.19, 115.82) 01/23/2018   04:11:09  (  68.18, 115.86)    1.41                60
 01/25/2018   18:47:38   (  68.38,-103.29) 01/25/2018   18:48:41  (  68.40,-103.28)    1.90                63
 01/25/2018   19:38:19   ( -68.23,  64.22) 01/25/2018   19:38:12  ( -68.25,  64.16)    3.24                 7
 01/25/2018   20:28:56   (  67.74,-127.86) 01/25/2018   20:27:45  (  67.79,-128.73)   36.94                71