Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 3 26.  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)
 03/27/2020   06:58:08   (  70.12,  71.80) 03/27/2020   06:57:28  (  70.12,  71.82)    0.51                40
 03/27/2020   07:47:38   ( -70.01,-120.72) 03/27/2020   07:48:09  ( -69.98,-120.66)    3.15                31
 03/29/2020   22:24:59   ( -70.74,  20.96) 03/29/2020   22:23:50  ( -70.79,  19.21)   64.05                69
 03/29/2020   23:14:36   (  70.08,-172.36) 03/29/2020   23:14:23  (  70.09,-172.37)    0.54                13
 03/30/2020   00:04:06   ( -69.98,  -4.88) 03/30/2020   00:05:04  ( -69.95,  -4.84)    3.20                58
 04/01/2020   14:41:37   ( -70.16, 135.99) 04/01/2020   14:40:34  ( -70.18, 135.95)    2.18                63
 04/01/2020   15:31:04   (  70.05, -56.53) 04/01/2020   15:31:18  (  70.06, -56.56)    1.72                14
 04/01/2020   16:20:42   ( -69.51, 110.36) 04/01/2020   16:21:52  ( -69.55, 111.52)   45.54                70
 04/04/2020   06:58:04   ( -70.13,-108.18) 04/04/2020   06:57:28  ( -70.15,-108.23)    3.17                36
 04/04/2020   07:47:31   (  70.01,  59.29) 04/04/2020   07:48:11  (  69.98,  59.33)    3.18                40
 04/06/2020   22:24:58   (  70.40,-159.54) 04/06/2020   22:23:46  (  70.48,-160.30)   29.70                72
 04/06/2020   23:14:32   ( -70.09,   7.64) 04/06/2020   23:14:22  ( -70.07,   7.66)    1.88                10
 04/07/2020   00:03:59   (  69.96, 175.11) 04/07/2020   00:05:06  (  69.96, 175.14)    1.07                67
 04/09/2020   14:41:30   (  70.13, -44.04) 04/09/2020   14:40:35  (  70.14, -44.00)    1.95                55
 04/09/2020   15:31:00   ( -70.04, 123.46) 04/09/2020   15:31:17  ( -70.05, 123.47)    0.69                17
 04/09/2020   16:20:40   (  69.20, -70.04) 04/09/2020   16:21:47  (  69.19, -67.98)   81.43                67