Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 4 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)
 04/25/2020   14:41:24   (  70.17, -44.02) 04/25/2020   14:40:35  (  70.17, -44.04)    0.84                49
 04/25/2020   15:30:54   ( -70.07, 123.46) 04/25/2020   15:31:17  ( -70.08, 123.41)    1.97                23
 04/28/2020   06:57:53   (  70.10,  71.75) 04/28/2020   06:57:29  (  70.11,  71.82)    2.73                24
 04/28/2020   07:47:23   ( -70.00,-120.76) 04/28/2020   07:48:11  ( -70.02,-120.72)    2.10                48
 04/30/2020   22:24:54   ( -70.20,  20.13) 04/30/2020   22:23:40  ( -70.21,  20.12)    1.15                74
 04/30/2020   23:14:21   (  70.08,-172.40) 04/30/2020   23:14:24  (  70.11,-172.40)    2.70                 3
 05/01/2020   00:03:52   ( -69.93,  -4.98) 05/01/2020   00:05:05  ( -69.96,  -4.85)    5.45                73
 05/03/2020   14:41:22   ( -70.19, 135.98) 05/03/2020   14:40:34  ( -70.16, 135.99)    3.23                48
 05/03/2020   15:30:49   (  70.06, -56.55) 05/03/2020   15:31:18  (  70.05, -56.55)    1.02                29
 05/06/2020   06:08:07   (  70.91,  85.31) 05/06/2020   06:06:59  (  70.94,  83.18)   77.27                68
 05/06/2020   06:57:49   ( -70.16,-108.18) 05/06/2020   06:57:28  ( -70.15,-108.23)    2.39                21
 05/06/2020   07:47:16   (  70.04,  59.29) 05/06/2020   07:48:12  (  70.05,  59.23)    2.98                56