Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 2 15.  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)
 02/16/2020   06:58:26   ( -70.12,-108.15) 02/16/2020   06:57:17  ( -70.14,-108.16)    1.95                69
 02/16/2020   07:47:53   (  70.02,  59.34) 02/16/2020   07:48:01  (  70.02,  59.34)    0.32                 8
 02/16/2020   08:37:27   ( -69.69,-133.48) 02/16/2020   08:38:38  ( -69.67,-132.82)   25.56                71
 02/18/2020   23:14:55   ( -70.10,   7.69) 02/18/2020   23:14:12  ( -70.08,   7.71)    2.66                43
 02/19/2020   00:04:22   (  70.00, 175.19) 02/19/2020   00:04:57  (  70.01, 175.11)    3.41                35
 02/21/2020   14:41:46   (  70.62, -43.30) 02/21/2020   14:40:36  (  70.69, -44.81)   55.94                70
 02/21/2020   15:31:24   ( -70.08, 123.54) 02/21/2020   15:31:08  ( -70.07, 123.48)    2.14                16
 02/21/2020   16:20:51   (  69.97, -68.97) 02/21/2020   16:21:52  (  69.95, -69.03)    2.64                61
 02/24/2020   06:58:23   (  70.10,  71.81) 02/24/2020   06:57:20  (  70.11,  71.88)    2.63                63
 02/24/2020   07:47:53   ( -70.00,-120.70) 02/24/2020   07:48:02  ( -70.01,-120.66)    2.30                 9
 02/24/2020   08:37:28   (  69.44,  46.18) 02/24/2020   08:38:37  (  69.42,  47.52)   52.28                69
 02/26/2020   23:14:51   (  70.12,-172.28) 02/26/2020   23:14:16  (  70.10,-172.35)    3.65                35
 02/27/2020   00:04:22   ( -69.97,  -4.86) 02/27/2020   00:04:57  ( -69.96,  -4.81)    2.44                35