Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 9 19.  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)
 09/19/2020   06:58:40   (  70.06,  71.81) 09/19/2020   06:57:58  (  70.08,  71.87)    3.11                42
 09/19/2020   07:48:09   ( -70.01,-120.63) 09/19/2020   07:48:40  ( -69.98,-120.67)    2.93                31
 09/21/2020   22:25:31   ( -70.82,  21.16) 09/21/2020   22:24:23  ( -70.87,  19.07)   76.56                68
 09/21/2020   23:15:10   (  70.06,-172.32) 09/21/2020   23:14:53  (  70.03,-172.28)    3.11                17
 09/22/2020   00:04:40   ( -69.95,  -4.84) 09/22/2020   00:05:35  ( -69.93,  -4.82)    2.14                55
 09/24/2020   14:42:12   ( -70.16, 136.06) 09/24/2020   14:41:04  ( -70.14, 136.01)    2.65                68
 09/24/2020   15:31:39   (  70.05, -56.45) 09/24/2020   15:31:48  (  70.04, -56.52)    2.82                 9
 09/24/2020   16:21:14   ( -69.67, 110.65) 09/24/2020   16:22:25  ( -69.67, 111.34)   26.61                71
 09/27/2020   06:58:43   ( -70.10,-108.15) 09/27/2020   06:57:59  ( -70.09,-108.15)    0.24                44
 09/27/2020   07:48:10   (  69.98,  59.33) 09/27/2020   07:48:43  (  69.99,  59.32)    1.24                33
 09/29/2020   22:25:33   (  70.73,-158.97) 09/29/2020   22:24:24  (  70.79,-160.79)   67.20                69
 09/29/2020   23:15:14   ( -70.03,   7.63) 09/29/2020   23:14:54  ( -70.05,   7.69)    3.11                20
 09/30/2020   00:04:40   (  69.97, 175.19) 09/30/2020   00:05:38  (  69.95, 175.15)    2.69                58
 10/02/2020   14:42:14   (  70.11, -44.00) 10/02/2020   14:41:07  (  70.11, -43.95)    1.79                67
 10/02/2020   15:31:44   ( -70.02, 123.49) 10/02/2020   15:31:49  ( -70.01, 123.53)    1.76                 5
 10/02/2020   16:21:17   (  69.57, -69.48) 10/02/2020   16:22:27  (  69.59, -68.54)   36.53                70