Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 4 24.  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   06:08:08   ( -70.84, -94.78) 04/26/2019   06:06:59  ( -70.91, -96.73)   71.69                69
 04/26/2019   06:57:46   (  70.13,  71.82) 04/26/2019   06:57:30  (  70.12,  71.84)    1.40                16
 04/26/2019   07:47:16   ( -70.02,-120.70) 04/26/2019   07:48:12  ( -70.03,-120.69)    0.41                56
 04/28/2019   22:24:46   ( -70.22,  20.19) 04/28/2019   22:23:42  ( -70.23,  20.13)    2.46                64
 04/28/2019   23:14:13   (  70.11,-172.33) 04/28/2019   23:14:26  (  70.13,-172.40)    3.06                13
 04/29/2019   00:03:50   ( -69.62,  -5.37) 04/29/2019   00:05:00  ( -69.60,  -4.30)   41.69                70
 05/01/2019   14:41:14   ( -70.20, 136.04) 05/01/2019   14:40:38  ( -70.18, 135.97)    3.53                36
 05/01/2019   15:30:42   (  70.03, -56.56) 05/01/2019   15:31:21  (  70.03, -56.48)    3.08                39
 05/04/2019   06:08:09   (  70.44,  84.63) 05/04/2019   06:06:57  (  70.51,  83.91)   27.82                72
 05/04/2019   06:57:43   ( -70.13,-108.20) 05/04/2019   06:57:34  ( -70.14,-108.19)    1.19                 9
 05/04/2019   07:47:10   (  70.00,  59.28) 05/04/2019   07:48:18  (  70.04,  59.27)    3.48                68
 05/06/2019   22:24:41   (  70.19,-159.85) 05/06/2019   22:23:48  (  70.20,-159.85)    1.32                53
 05/06/2019   23:14:11   ( -70.10,   7.64) 05/06/2019   23:14:30  ( -70.09,   7.64)    0.58                19