Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 1 18.  Predictions up to the next  14.0 days:

     Date     Time(NPP) NPP Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/19/2020   19:12:28   ( -68.37,  70.43) 01/19/2020   19:13:09  ( -68.40,  70.45)    3.38                41
 01/19/2020   20:03:12   (  68.25,-122.11) 01/19/2020   20:02:37  (  68.24,-122.09)    1.50                35
 01/22/2020   10:38:52   (  69.22,  17.76) 01/22/2020   10:40:00  (  69.11,  19.58)   72.90                68
 01/22/2020   11:29:19   ( -68.32,-173.72) 01/22/2020   11:29:42  ( -68.34,-173.76)    2.63                23
 01/22/2020   12:20:03   (  68.21,  -6.27) 01/22/2020   12:19:09  (  68.23,  -6.24)    3.26                54
 01/25/2020   02:55:32   (  68.53, 134.47) 01/25/2020   02:56:44  (  68.49, 134.65)    8.67                72
 01/25/2020   03:46:12   ( -68.32, -57.95) 01/25/2020   03:46:15  ( -68.33, -57.91)    1.64                 3
 01/25/2020   04:36:55   (  68.16, 109.57) 01/25/2020   04:35:43  (  68.16, 109.54)    1.40                72
 01/27/2020   19:12:23   (  68.43,-109.62) 01/27/2020   19:13:18  (  68.40,-109.58)    3.10                55
 01/27/2020   20:03:04   ( -68.28,  57.89) 01/27/2020   20:02:49  ( -68.25,  57.86)    3.24                15
 01/27/2020   20:53:36   (  67.52,-133.86) 01/27/2020   20:52:26  (  67.57,-135.27)   60.34                70
 01/30/2020   11:29:15   (  68.39,   6.21) 01/30/2020   11:29:51  (  68.37,   6.24)    2.01                36
 01/30/2020   12:19:56   ( -68.23, 173.73) 01/30/2020   12:19:22  ( -68.22, 173.69)    1.83                34