Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 3 21.  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   (  70.18, -43.96) 03/22/2019   14:40:38  (  70.16, -43.99)    3.07                50
 03/22/2019   15:30:58   ( -70.08, 123.53) 03/22/2019   15:31:20  ( -70.08, 123.45)    2.95                22
 03/22/2019   16:20:42   (  69.03, -70.24) 03/22/2019   16:21:47  (  69.05, -67.75)   99.41                65
 03/25/2019   06:57:58   (  70.16,  71.88) 03/25/2019   06:57:31  (  70.14,  71.82)    3.38                27
 03/25/2019   07:47:29   ( -70.00,-120.71) 03/25/2019   07:48:12  ( -70.00,-120.66)    1.97                43
 03/27/2019   22:24:57   ( -70.49,  20.58) 03/27/2019   22:23:46  ( -70.55,  19.64)   35.58                71
 03/27/2019   23:14:29   (  70.10,-172.33) 03/27/2019   23:14:24  (  70.12,-172.37)    2.51                 5
 03/28/2019   00:03:59   ( -70.00,  -4.84) 03/28/2019   00:05:05  ( -69.98,  -4.84)    2.48                66
 03/30/2019   14:41:33   ( -70.17, 136.00) 03/30/2019   14:40:32  ( -70.16, 136.03)    2.16                61
 03/30/2019   15:31:00   (  70.06, -56.52) 03/30/2019   15:31:16  (  70.05, -56.49)    1.83                16
 03/30/2019   16:20:39   ( -69.47, 110.30) 03/30/2019   16:21:48  ( -69.43, 111.75)   56.65                69
 04/02/2019   06:58:03   ( -70.15,-108.16) 04/02/2019   06:57:24  ( -70.14,-108.16)    1.74                39
 04/02/2019   07:47:30   (  70.04,  59.32) 04/02/2019   07:48:08  (  70.03,  59.32)    0.66                38