Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 5 17.  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)
 05/19/2020   14:41:22   ( -70.15, 136.04) 05/19/2020   14:40:31  ( -70.14, 136.03)    1.78                51
 05/19/2020   15:30:49   (  70.04, -56.47) 05/19/2020   15:31:15  (  70.03, -56.49)    1.97                26
 05/19/2020   16:20:35   ( -69.06, 109.84) 05/19/2020   16:21:41  ( -69.08, 112.20)   93.87                66
 05/22/2020   06:57:54   ( -70.08,-108.18) 05/22/2020   06:57:25  ( -70.10,-108.13)    2.24                29
 05/22/2020   07:47:21   (  69.97,  59.31) 05/22/2020   07:48:09  (  69.99,  59.34)    2.20                48
 05/24/2020   22:24:52   (  70.30,-159.63) 05/24/2020   22:23:40  (  70.37,-160.10)   19.21                72
 05/24/2020   23:14:24   ( -70.09,   7.71) 05/24/2020   23:14:18  ( -70.06,   7.70)    3.62                 6
 05/25/2020   00:03:51   (  69.98, 175.19) 05/25/2020   00:05:02  (  69.95, 175.17)    2.73                71
 05/27/2020   14:41:26   (  70.16, -43.96) 05/27/2020   14:40:31  (  70.18, -44.02)    3.26                55
 05/27/2020   15:30:56   ( -70.06, 123.53) 05/27/2020   15:31:13  ( -70.07, 123.45)    3.45                17
 05/27/2020   16:20:36   (  69.23, -69.96) 05/27/2020   16:21:43  (  69.23, -68.00)   77.26                67
 05/30/2020   06:57:59   (  70.09,  71.82) 05/30/2020   06:57:24  (  70.09,  71.88)    2.62                35
 05/30/2020   07:47:29   ( -69.99,-120.69) 05/30/2020   07:48:06  ( -69.99,-120.64)    1.98                37