Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2020 4 22.  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)
 04/24/2020   19:12:46   ( -68.34,  70.35) 04/24/2020   19:13:24  ( -68.32,  70.38)    2.26                38
 04/24/2020   20:03:30   (  68.22,-122.18) 04/24/2020   20:02:51  (  68.21,-122.11)    2.95                39
 04/27/2020   10:39:06   (  68.80,  18.20) 04/27/2020   10:40:16  (  68.69,  19.09)   37.54                70
 04/27/2020   11:29:40   ( -68.28,-173.80) 04/27/2020   11:29:52  ( -68.25,-173.82)    3.09                12
 04/27/2020   12:20:24   (  68.16,  -6.34) 04/27/2020   12:19:19  (  68.14,  -6.31)    2.80                65
 04/30/2020   02:55:53   (  68.37, 134.55) 04/30/2020   02:56:48  (  68.39, 134.60)    3.48                55
 04/30/2020   03:46:34   ( -68.22, -57.95) 04/30/2020   03:46:19  ( -68.23, -57.95)    1.19                15
 04/30/2020   04:37:06   (  67.45, 110.31) 04/30/2020   04:35:57  (  67.49, 108.84)   62.56                69
 05/02/2020   19:12:47   (  68.31,-109.61) 05/02/2020   19:13:16  (  68.30,-109.61)    1.31                29
 05/02/2020   20:03:28   ( -68.16,  57.90) 05/02/2020   20:02:47  ( -68.14,  57.84)    3.24                41
 05/05/2020   10:39:01   ( -68.64,-161.57) 05/05/2020   10:40:12  ( -68.55,-161.06)   22.86                71
 05/05/2020   11:29:40   (  68.26,   6.23) 05/05/2020   11:29:42  (  68.26,   6.24)    0.35                 2
 05/05/2020   12:20:21   ( -68.11, 173.74) 05/05/2020   12:19:13  ( -68.11, 173.68)    2.36                68