Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 2 19.  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)
 02/20/2020   19:12:39   ( -68.45,  70.26) 02/20/2020   19:13:51  ( -68.44,  70.29)    1.99                72
 02/20/2020   20:03:23   (  68.32,-122.26) 02/20/2020   20:03:18  (  68.33,-122.20)    2.80                 5
 02/20/2020   20:54:02   ( -68.14,  45.30) 02/20/2020   20:52:48  ( -68.17,  45.25)    4.35                74
 02/23/2020   11:29:33   ( -68.39,-173.89) 02/23/2020   11:30:23  ( -68.40,-173.89)    1.33                50
 02/23/2020   12:20:17   (  68.27,  -6.42) 02/23/2020   12:19:50  (  68.29,  -6.38)    3.13                27
 02/23/2020   13:10:43   ( -67.32, 162.06) 02/23/2020   13:09:35  ( -67.35, 160.18)   80.77                68
 02/26/2020   02:56:04   (  69.38, 133.21) 02/26/2020   02:57:11  (  69.30, 135.47)   89.13                67
 02/26/2020   03:46:29   ( -68.39, -58.12) 02/26/2020   03:46:56  ( -68.37, -58.07)    3.05                27
 02/26/2020   04:37:12   (  68.21, 109.42) 02/26/2020   04:36:24  (  68.19, 109.37)    2.81                48
 02/28/2020   19:12:46   (  68.63,-109.99) 02/28/2020   19:13:56  (  68.59,-109.57)   17.77                70
 02/28/2020   20:03:24   ( -68.33,  57.72) 02/28/2020   20:03:29  ( -68.33,  57.75)    1.04                 5
 02/28/2020   20:54:08   (  68.21,-134.81) 02/28/2020   20:52:56  (  68.20,-134.75)    2.37                72
 03/02/2020   11:29:38   (  68.42,   6.06) 03/02/2020   11:30:31  (  68.43,   6.10)    2.36                53
 03/02/2020   12:20:18   ( -68.27, 173.56) 03/02/2020   12:20:01  ( -68.28, 173.56)    1.30                17
 03/02/2020   13:10:49   (  67.45, -18.11) 03/02/2020   13:09:40  (  67.49, -19.72)   68.59                69