Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 6 23.  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)
 06/23/2019   22:25:17   (  70.17,-159.78) 06/23/2019   22:24:09  (  70.15,-159.83)    3.12                68
 06/23/2019   23:14:47   ( -70.06,   7.69) 06/23/2019   23:14:51  ( -70.07,   7.61)    2.94                 4
 06/24/2019   00:04:19   (  69.68, 174.81) 06/24/2019   00:05:30  (  69.68, 175.51)   27.05                71
 06/26/2019   14:41:47   (  70.11, -43.99) 06/26/2019   14:41:03  (  70.09, -43.97)    2.21                44
 06/26/2019   15:31:17   ( -70.00, 123.49) 06/26/2019   15:31:45  ( -70.01, 123.47)    0.82                28
 06/29/2019   06:08:37   ( -70.92, -94.56) 06/29/2019   06:07:29  ( -70.94, -96.87)   84.29                68
 06/29/2019   06:58:17   (  70.10,  71.87) 06/29/2019   06:57:59  (  70.09,  71.80)    3.02                18
 06/29/2019   07:47:48   ( -69.94,-120.72) 06/29/2019   07:48:40  ( -69.95,-120.67)    2.26                52
 07/01/2019   22:25:21   ( -70.14,  20.17) 07/01/2019   22:24:10  ( -70.15,  20.16)    1.47                71
 07/01/2019   23:14:48   (  70.03,-172.34) 07/01/2019   23:14:54  (  70.04,-172.35)    0.72                 6
 07/02/2019   00:04:21   ( -69.76,  -5.08) 07/02/2019   00:05:33  ( -69.79,  -4.66)   16.45                72
 07/04/2019   14:41:51   ( -70.13, 136.03) 07/04/2019   14:41:05  ( -70.10, 136.01)    2.97                46
 07/04/2019   15:31:18   (  70.02, -56.48) 07/04/2019   15:31:49  (  69.99, -56.51)    3.26                31