Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 12 14.  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)
 12/14/2018   11:04:08   (  68.32,  12.51) 12/14/2018   11:05:14  (  68.30,  12.45)    3.27                66
 12/14/2018   11:54:49   ( -68.19, 179.99) 12/14/2018   11:54:44  ( -68.18, 179.95)    1.95                 5
 12/14/2018   12:45:27   (  67.73, -12.12) 12/14/2018   12:44:16  (  67.80, -12.85)   31.74                71
 12/17/2018   03:21:04   (  68.29, 128.31) 12/17/2018   03:21:43  (  68.29, 128.31)    0.90                39
 12/17/2018   04:11:45   ( -68.16, -64.20) 12/17/2018   04:11:13  ( -68.18, -64.19)    2.03                32
 12/19/2018   18:47:28   ( -68.98,  75.85) 12/19/2018   18:48:37  ( -68.88,  77.28)   58.36                69
 12/19/2018   19:38:00   (  68.22,-115.83) 12/19/2018   19:38:14  (  68.22,-115.89)    2.61                14
 12/19/2018   20:28:42   ( -68.13,  51.60) 12/19/2018   20:27:44  ( -68.11,  51.62)    1.93                58
 12/22/2018   11:04:13   ( -68.31,-167.50) 12/22/2018   11:05:17  ( -68.33,-167.53)    1.84                64
 12/22/2018   11:54:57   (  68.19,  -0.03) 12/22/2018   11:54:44  (  68.21,  -0.02)    2.30                13
 12/22/2018   12:45:32   ( -67.73, 167.87) 12/22/2018   12:44:20  ( -67.77, 167.10)   32.79                72
 12/25/2018   03:21:10   ( -68.29, -51.70) 12/25/2018   03:21:48  ( -68.27, -51.72)    2.51                38
 12/25/2018   04:11:54   (  68.17, 115.76) 12/25/2018   04:11:15  (  68.15, 115.79)    2.44                39
 12/27/2018   18:47:31   (  68.74,-103.85) 12/27/2018   18:48:42  (  68.65,-103.01)   35.26                71
 12/27/2018   19:38:06   ( -68.27,  64.09) 12/27/2018   19:38:17  ( -68.27,  64.16)    2.71                11
 12/27/2018   20:28:49   (  68.10,-128.38) 12/27/2018   20:27:45  (  68.10,-128.40)    0.94                64