Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 3 30.  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)
 04/01/2020   14:41:36   ( -70.16, 135.98) 04/01/2020   14:40:33  ( -70.18, 135.96)    2.13                63
 04/01/2020   15:31:03   (  70.05, -56.53) 04/01/2020   15:31:17  (  70.05, -56.55)    0.71                14
 04/01/2020   16:20:41   ( -69.50, 110.35) 04/01/2020   16:21:50  ( -69.50, 111.60)   48.72                69
 04/04/2020   06:58:04   ( -70.12,-108.19) 04/04/2020   06:57:28  ( -70.15,-108.23)    3.28                36
 04/04/2020   07:47:31   (  70.01,  59.29) 04/04/2020   07:48:12  (  70.03,  59.26)    2.53                41
 04/06/2020   22:24:58   (  70.40,-159.54) 04/06/2020   22:23:46  (  70.48,-160.30)   29.29                72
 04/06/2020   23:14:32   ( -70.08,   7.63) 04/06/2020   23:14:22  ( -70.07,   7.66)    1.56                10
 04/07/2020   00:03:59   (  69.97, 175.11) 04/07/2020   00:05:06  (  69.96, 175.14)    1.59                67
 04/09/2020   14:41:30   (  70.14, -44.05) 04/09/2020   14:40:35  (  70.14, -44.00)    2.05                55
 04/09/2020   15:31:00   ( -70.04, 123.45) 04/09/2020   15:31:17  ( -70.05, 123.46)    1.59                17
 04/09/2020   16:20:40   (  69.20, -70.05) 04/09/2020   16:21:47  (  69.19, -67.98)   81.63                67
 04/12/2020   06:57:56   (  70.14,  71.84) 04/12/2020   06:57:29  (  70.13,  71.79)    1.91                27
 04/12/2020   07:47:26   ( -70.04,-120.67) 04/12/2020   07:48:11  ( -70.03,-120.74)    3.01                45