Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 4 10.  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)
 04/10/2019   06:57:52   (  70.16,  71.87) 04/10/2019   06:57:20  (  70.18,  71.80)    3.30                32
 04/10/2019   07:47:22   ( -70.04,-120.66) 04/10/2019   07:48:01  ( -70.04,-120.67)    0.69                39
 04/12/2019   22:24:47   ( -70.59,  20.74) 04/12/2019   22:23:36  ( -70.65,  19.52)   45.46                71
 04/12/2019   23:14:21   (  70.11,-172.33) 04/12/2019   23:14:12  (  70.12,-172.33)    1.63                 9
 04/13/2019   00:03:51   ( -70.00,  -4.85) 04/13/2019   00:04:53  ( -69.98,  -4.80)    2.89                62
 04/15/2019   14:41:23   ( -70.16, 135.98) 04/15/2019   14:40:20  ( -70.17, 136.06)    3.20                63
 04/15/2019   15:30:50   (  70.05, -56.53) 04/15/2019   15:31:04  (  70.07, -56.47)    3.02                14
 04/15/2019   16:20:28   ( -69.50, 110.35) 04/15/2019   16:21:37  ( -69.50, 111.70)   52.24                69
 04/18/2019   06:57:50   ( -70.16,-108.14) 04/18/2019   06:57:12  ( -70.17,-108.16)    1.71                38
 04/18/2019   07:47:17   (  70.04,  59.34) 04/18/2019   07:47:56  (  70.07,  59.31)    3.04                39
 04/20/2019   22:24:41   (  70.63,-159.20) 04/20/2019   22:23:31  (  70.70,-160.53)   49.41                70
 04/20/2019   23:14:19   ( -70.09,   7.65) 04/20/2019   23:14:04  ( -70.12,   7.70)    3.44                15
 04/21/2019   00:03:45   (  70.03, 175.21) 04/21/2019   00:04:48  (  70.02, 175.17)    2.05                63
 04/23/2019   14:41:17   (  70.18, -43.98) 04/23/2019   14:40:14  (  70.18, -43.92)    2.41                63
 04/23/2019   15:30:47   ( -70.08, 123.51) 04/23/2019   15:30:56  ( -70.07, 123.56)    2.28                 9
 04/23/2019   16:20:22   (  69.52, -69.62) 04/23/2019   16:21:31  (  69.50, -68.28)   52.26                69