Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 2 14.  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)
 02/15/2020   11:29:32   (  68.41,   6.10) 02/15/2020   11:30:12  (  68.39,   6.15)    3.13                40
 02/15/2020   12:20:12   ( -68.22, 173.66) 02/15/2020   12:19:43  ( -68.23, 173.59)    2.94                29
 02/18/2020   02:55:58   ( -69.27, -46.61) 02/18/2020   02:57:06  ( -69.13, -44.71)   77.05                68
 02/18/2020   03:46:27   (  68.35, 121.94) 02/18/2020   03:46:45  (  68.35, 121.97)    1.09                18
 02/18/2020   04:37:08   ( -68.21, -70.56) 02/18/2020   04:36:16  ( -68.19, -70.59)    1.84                52
 02/20/2020   19:12:39   ( -68.46,  70.25) 02/20/2020   19:13:50  ( -68.48,  70.34)    4.23                71
 02/20/2020   20:03:22   (  68.29,-122.21) 02/20/2020   20:03:18  (  68.31,-122.22)    2.38                 4
 02/20/2020   20:54:02   ( -68.09,  45.35) 02/20/2020   20:52:50  ( -68.10,  45.17)    7.75                72
 02/23/2020   11:29:34   ( -68.40,-173.91) 02/23/2020   11:30:24  ( -68.38,-173.91)    2.62                50
 02/23/2020   12:20:17   (  68.28,  -6.44) 02/23/2020   12:19:50  (  68.26,  -6.41)    2.70                27
 02/23/2020   13:10:43   ( -67.33, 162.05) 02/23/2020   13:09:34  ( -67.38, 160.21)   78.73                69
 02/26/2020   02:56:04   (  69.40, 133.19) 02/26/2020   02:57:10  (  69.31, 135.49)   90.95                66
 02/26/2020   03:46:28   ( -68.35, -58.06) 02/26/2020   03:46:56  ( -68.33, -58.11)    2.39                28
 02/26/2020   04:37:12   (  68.22, 109.40) 02/26/2020   04:36:23  (  68.21, 109.39)    2.07                49