Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 2 12.  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)
 02/12/2020   19:12:37   (  68.44,-109.70) 02/12/2020   19:13:40  (  68.41,-109.69)    3.13                63
 02/12/2020   20:03:18   ( -68.30,  57.79) 02/12/2020   20:03:10  ( -68.30,  57.82)    1.14                 8
 02/12/2020   20:53:55   (  67.79,-134.26) 02/12/2020   20:52:43  (  67.86,-135.06)   34.17                72
 02/15/2020   11:29:32   (  68.37,   6.15) 02/15/2020   11:30:13  (  68.37,   6.13)    0.53                41
 02/15/2020   12:20:13   ( -68.23, 173.64) 02/15/2020   12:19:44  ( -68.22, 173.58)    3.22                29
 02/18/2020   02:55:57   ( -69.23, -46.56) 02/18/2020   02:57:05  ( -69.17, -44.65)   75.75                68
 02/18/2020   03:46:26   (  68.31, 121.99) 02/18/2020   03:46:45  (  68.33, 121.95)    3.07                19
 02/18/2020   04:37:08   ( -68.22, -70.58) 02/18/2020   04:36:15  ( -68.24, -70.53)    2.36                53
 02/20/2020   19:12:39   ( -68.48,  70.23) 02/20/2020   19:13:50  ( -68.46,  70.33)    4.41                71
 02/20/2020   20:03:22   (  68.31,-122.24) 02/20/2020   20:03:18  (  68.29,-122.24)    1.94                 4
 02/20/2020   20:54:02   ( -68.11,  45.33) 02/20/2020   20:52:49  ( -68.14,  45.21)    5.83                73
 02/23/2020   11:29:34   ( -68.42,-173.93) 02/23/2020   11:30:23  ( -68.42,-173.87)    2.73                49
 02/23/2020   12:20:17   (  68.25,  -6.40) 02/23/2020   12:19:51  (  68.24,  -6.44)    2.01                26
 02/23/2020   13:10:43   ( -67.30, 162.09) 02/23/2020   13:09:35  ( -67.37, 160.20)   81.48                68
 02/26/2020   02:56:04   (  69.37, 133.23) 02/26/2020   02:57:11  (  69.29, 135.46)   88.26                67
 02/26/2020   03:46:29   ( -68.37, -58.09) 02/26/2020   03:46:56  ( -68.37, -58.06)    1.23                27
 02/26/2020   04:37:13   (  68.25, 109.37) 02/26/2020   04:36:23  (  68.24, 109.43)    2.87                50