Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 6 21.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/23/2020   06:58:07   ( -70.14,-108.07) 06/23/2020   06:57:16  ( -70.12,-108.11)    2.12                51
 06/23/2020   07:47:35   (  69.98,  59.35) 06/23/2020   07:48:00  (  70.00,  59.38)    2.77                25
 06/23/2020   08:37:20   ( -69.04,-134.28) 06/23/2020   08:38:26  ( -69.07,-131.95)   92.67                66
 06/25/2020   23:14:38   ( -70.11,   7.77) 06/25/2020   23:14:10  ( -70.11,   7.69)    3.00                28
 06/26/2020   00:04:06   (  69.95, 175.19) 06/26/2020   00:04:53  (  69.94, 175.26)    3.14                47
 06/28/2020   14:41:37   (  70.30, -43.71) 06/28/2020   14:40:25  (  70.34, -44.21)   19.20                72
 06/28/2020   15:31:10   ( -70.03, 123.53) 06/28/2020   15:31:03  ( -70.04, 123.57)    1.92                 7
 06/28/2020   16:20:37   (  69.92, -68.97) 06/28/2020   16:21:47  (  69.92, -68.94)    1.16                70
 07/01/2020   06:58:10   (  70.10,  71.88) 07/01/2020   06:57:14  (  70.12,  71.91)    2.03                56
 07/01/2020   07:47:40   ( -70.00,-120.63) 07/01/2020   07:47:56  ( -70.03,-120.63)    2.98                16
 07/01/2020   08:37:20   (  69.17,  45.89) 07/01/2020   08:38:27  (  69.22,  47.85)   77.85                67
 07/03/2020   23:14:41   (  70.07,-172.29) 07/03/2020   23:14:07  (  70.06,-172.21)    3.15                34
 07/04/2020   00:04:11   ( -69.97,  -4.80) 07/04/2020   00:04:49  ( -69.96,  -4.75)    1.83                38