Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 4 26.  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)
 04/26/2019   06:08:07   ( -70.88, -94.72) 04/26/2019   06:06:59  ( -70.93, -96.76)   74.53                68
 04/26/2019   06:57:46   (  70.11,  71.80) 04/26/2019   06:57:30  (  70.14,  71.82)    2.68                16
 04/26/2019   07:47:15   ( -70.06,-120.65) 04/26/2019   07:48:12  ( -70.04,-120.72)    3.34                57
 04/28/2019   22:24:47   ( -70.21,  20.16) 04/28/2019   22:23:42  ( -70.20,  20.18)    1.24                65
 04/28/2019   23:14:14   (  70.10,-172.35) 04/28/2019   23:14:26  (  70.09,-172.34)    0.91                12
 04/29/2019   00:03:51   ( -69.61,  -5.39) 04/29/2019   00:05:01  ( -69.62,  -4.33)   41.42                70
 05/01/2019   14:41:14   ( -70.19, 136.02) 05/01/2019   14:40:38  ( -70.20, 135.94)    3.27                36
 05/01/2019   15:30:41   (  70.08, -56.50) 05/01/2019   15:31:21  (  70.04, -56.51)    3.53                40
 05/04/2019   06:08:09   (  70.43,  84.62) 05/04/2019   06:06:57  (  70.53,  83.88)   29.25                72
 05/04/2019   06:57:43   ( -70.12,-108.21) 05/04/2019   06:57:33  ( -70.10,-108.14)    2.79                10
 05/04/2019   07:47:10   (  70.00,  59.27) 05/04/2019   07:48:17  (  70.00,  59.32)    2.25                67
 05/06/2019   22:24:41   (  70.18,-159.86) 05/06/2019   22:23:47  (  70.17,-159.80)    3.09                54
 05/06/2019   23:14:11   ( -70.09,   7.63) 05/06/2019   23:14:30  ( -70.11,   7.61)    2.79                19
 05/07/2019   00:03:52   (  69.19, 174.06) 05/07/2019   00:04:58  (  69.16, 176.31)   88.84                66
 05/09/2019   14:41:09   (  70.15, -44.03) 05/09/2019   14:40:43  (  70.13, -43.97)    3.13                26
 05/09/2019   15:30:39   ( -70.06, 123.47) 05/09/2019   15:31:26  ( -70.07, 123.43)    2.06                47