Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 3 22.  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)
 03/22/2019   14:41:28   (  70.19, -43.95) 03/22/2019   14:40:39  (  70.18, -44.02)    3.03                49
 03/22/2019   15:30:59   ( -70.03, 123.45) 03/22/2019   15:31:20  ( -70.05, 123.49)    3.02                21
 03/25/2019   06:57:59   (  70.09,  71.79) 03/25/2019   06:57:31  (  70.11,  71.87)    3.26                28
 03/25/2019   07:47:28   ( -70.04,-120.65) 03/25/2019   07:48:13  ( -70.02,-120.69)    2.64                45
 03/27/2019   22:24:56   ( -70.45,  20.54) 03/27/2019   22:23:44  ( -70.47,  19.77)   28.46                72
 03/27/2019   23:14:28   (  70.07,-172.38) 03/27/2019   23:14:23  (  70.09,-172.33)    2.82                 5
 03/28/2019   00:03:57   ( -70.02,  -4.81) 03/28/2019   00:05:05  ( -70.00,  -4.88)    3.39                68
 03/30/2019   14:41:31   ( -70.17, 136.00) 03/30/2019   14:40:32  ( -70.18, 136.00)    1.39                59
 03/30/2019   15:30:58   (  70.06, -56.52) 03/30/2019   15:31:16  (  70.07, -56.52)    1.45                18
 03/30/2019   16:20:38   ( -69.41, 110.22) 03/30/2019   16:21:47  ( -69.40, 111.79)   61.19                69
 04/02/2019   06:58:01   ( -70.18,-108.12) 04/02/2019   06:57:25  ( -70.16,-108.20)    3.00                36
 04/02/2019   07:47:28   (  70.06,  59.36) 04/02/2019   07:48:09  (  70.05,  59.28)    2.97                41
 04/04/2019   22:24:55   (  70.62,-159.24) 04/04/2019   22:23:45  (  70.72,-160.61)   51.83                70
 04/04/2019   23:14:33   ( -70.09,   7.62) 04/04/2019   23:14:17  ( -70.09,   7.69)    2.99                16
 04/05/2019   00:04:00   (  69.97, 175.10) 04/05/2019   00:05:01  (  69.99, 175.16)    3.19                61