Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 4 7.  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)
 04/09/2020   14:41:32   (  70.18, -44.00) 04/09/2020   14:40:36  (  70.19, -44.08)    3.34                56
 04/09/2020   15:31:02   ( -70.07, 123.48) 04/09/2020   15:31:17  ( -70.05, 123.45)    2.51                15
 04/09/2020   16:20:41   (  69.30, -69.92) 04/09/2020   16:21:49  (  69.30, -68.13)   70.73                68
 04/12/2020   06:58:01   (  70.11,  71.78) 04/12/2020   06:57:29  (  70.12,  71.80)    1.18                32
 04/12/2020   07:47:31   ( -70.01,-120.73) 04/12/2020   07:48:11  ( -70.03,-120.74)    2.29                40
 04/14/2020   22:24:58   ( -70.51,  20.58) 04/14/2020   22:23:47  ( -70.58,  19.54)   39.51                71
 04/14/2020   23:14:30   (  70.12,-172.34) 04/14/2020   23:14:24  (  70.11,-172.40)    2.92                 6
 04/15/2020   00:04:01   ( -69.97,  -4.92) 04/15/2020   00:05:05  ( -69.96,  -4.86)    2.50                64
 04/17/2020   14:41:34   ( -70.15, 135.93) 04/17/2020   14:40:34  ( -70.15, 136.00)    2.62                60
 04/17/2020   15:31:01   (  70.03, -56.59) 04/17/2020   15:31:18  (  70.04, -56.53)    2.38                17
 04/17/2020   16:20:41   ( -69.39, 110.16) 04/17/2020   16:21:50  ( -69.41, 111.72)   60.85                69
 04/20/2020   06:58:04   ( -70.14,-108.21) 04/20/2020   06:57:29  ( -70.13,-108.20)    1.57                35
 04/20/2020   07:47:31   (  70.02,  59.26) 04/20/2020   07:48:13  (  70.03,  59.26)    0.38                42