Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 6 12.  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)
 06/12/2020   14:41:31   (  70.15, -43.92) 06/12/2020   14:40:27  (  70.16, -43.97)    2.02                64
 06/12/2020   15:31:01   ( -70.04, 123.55) 06/12/2020   15:31:08  ( -70.02, 123.57)    2.29                 7
 06/12/2020   16:20:35   (  69.55, -69.48) 06/12/2020   16:21:45  (  69.53, -68.40)   41.88                70
 06/15/2020   06:58:02   (  70.08,  71.85) 06/15/2020   06:57:19  (  70.09,  71.92)    2.91                43
 06/15/2020   07:47:31   ( -70.02,-120.59) 06/15/2020   07:48:01  ( -70.00,-120.62)    3.04                30
 06/17/2020   22:24:52   ( -70.92,  21.34) 06/17/2020   22:23:44  ( -70.96,  18.98)   85.84                68
 06/17/2020   23:14:33   (  70.05,-172.30) 06/17/2020   23:14:13  (  70.07,-172.27)    2.12                20
 06/18/2020   00:04:03   ( -69.95,  -4.82) 06/18/2020   00:04:55  ( -69.98,  -4.81)    3.36                52
 06/20/2020   14:41:37   ( -70.13, 136.04) 06/20/2020   14:40:23  ( -70.16, 136.05)    3.13                74
 06/20/2020   15:31:04   (  70.03, -56.47) 06/20/2020   15:31:07  (  70.05, -56.47)    2.97                 3
 06/20/2020   16:20:35   ( -69.87, 110.94) 06/20/2020   16:21:47  ( -69.85, 111.15)    8.02                72
 06/23/2020   06:58:08   ( -70.10,-108.12) 06/23/2020   06:57:16  ( -70.09,-108.06)    2.57                52
 06/23/2020   07:47:35   (  69.99,  59.37) 06/23/2020   07:48:00  (  69.98,  59.41)    1.92                25
 06/23/2020   08:37:20   ( -69.06,-134.25) 06/23/2020   08:38:26  ( -69.04,-131.91)   93.30                66
 06/25/2020   23:14:38   ( -70.07,   7.71) 06/25/2020   23:14:09  ( -70.08,   7.74)    1.21                29
 06/26/2020   00:04:05   (  69.96, 175.20) 06/26/2020   00:04:53  (  69.97, 175.21)    1.46                48