Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 4 5.  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)
 04/06/2020   22:24:58   (  70.46,-159.47) 04/06/2020   22:23:47  (  70.53,-160.38)   34.63                71
 04/06/2020   23:14:33   ( -70.08,   7.61) 04/06/2020   23:14:22  ( -70.08,   7.65)    1.48                11
 04/07/2020   00:04:00   (  69.97, 175.10) 04/07/2020   00:05:06  (  69.95, 175.14)    2.05                66
 04/09/2020   14:41:31   (  70.17, -44.00) 04/09/2020   14:40:36  (  70.19, -44.08)    3.49                55
 04/09/2020   15:31:01   ( -70.07, 123.48) 04/09/2020   15:31:17  ( -70.05, 123.46)    2.24                16
 04/09/2020   16:20:41   (  69.24, -70.00) 04/09/2020   16:21:48  (  69.24, -68.05)   77.07                67
 04/12/2020   06:57:59   (  70.12,  71.79) 04/12/2020   06:57:29  (  70.12,  71.80)    0.87                30
 04/12/2020   07:47:29   ( -70.02,-120.72) 04/12/2020   07:48:11  ( -70.03,-120.74)    1.74                42
 04/14/2020   22:24:57   ( -70.40,  20.43) 04/14/2020   22:23:45  ( -70.48,  19.71)   28.24                72
 04/14/2020   23:14:27   (  70.12,-172.33) 04/14/2020   23:14:24  (  70.11,-172.40)    3.07                 3
 04/15/2020   00:03:58   ( -69.97,  -4.91) 04/15/2020   00:05:05  ( -69.96,  -4.86)    2.32                67
 04/17/2020   14:41:30   ( -70.14, 135.93) 04/17/2020   14:40:34  ( -70.14, 136.00)    2.77                56
 04/17/2020   15:30:57   (  70.02, -56.59) 04/17/2020   15:31:18  (  70.04, -56.53)    3.50                21