Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 1 18.  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)
 01/20/2018   11:04:31   ( -68.37,-167.49) 01/20/2018   11:05:12  ( -68.36,-167.47)    1.24                41
 01/20/2018   11:55:15   (  68.25,  -0.02) 01/20/2018   11:54:39  (  68.24,   0.04)    2.66                36
 01/23/2018   02:30:54   (  68.98, 140.15) 01/23/2018   02:32:03  (  68.89, 141.44)   52.67                69
 01/23/2018   03:21:25   ( -68.30, -51.63) 01/23/2018   03:21:42  ( -68.28, -51.67)    2.54                17
 01/23/2018   04:12:09   (  68.18, 115.83) 01/23/2018   04:11:09  (  68.17, 115.83)    1.90                60
 01/25/2018   18:47:38   (  68.38,-103.29) 01/25/2018   18:48:40  (  68.41,-103.27)    3.30                62
 01/25/2018   19:38:19   ( -68.24,  64.22) 01/25/2018   19:38:11  ( -68.26,  64.17)    2.93                 8
 01/25/2018   20:28:56   (  67.74,-127.86) 01/25/2018   20:27:44  (  67.80,-128.71)   36.69                72
 01/28/2018   11:04:31   (  68.32,  12.56) 01/28/2018   11:05:09  (  68.32,  12.50)    2.52                38
 01/28/2018   11:55:13   ( -68.22, 180.00) 01/28/2018   11:54:39  ( -68.22,-179.99)    0.69                34
 01/31/2018   02:30:53   ( -69.01, -39.90) 01/31/2018   02:32:02  ( -68.89, -38.55)   55.20                69
 01/31/2018   03:21:26   (  68.31, 128.34) 01/31/2018   03:21:37  (  68.33, 128.39)    3.09                11
 01/31/2018   04:12:07   ( -68.16, -64.15) 01/31/2018   04:11:08  ( -68.17, -64.16)    1.98                59