Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 9 28.  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)
 09/30/2021   06:09:11   (  70.46,  84.73) 09/30/2021   06:08:00  (  70.51,  83.72)   38.25                71
 09/30/2021   06:58:46   ( -70.06,-108.20) 09/30/2021   06:58:35  ( -70.05,-108.23)    2.27                11
 09/30/2021   07:48:14   (  69.91,  59.23) 09/30/2021   07:49:19  (  69.94,  59.24)    2.99                65
 10/02/2021   22:25:47   (  70.13,-159.86) 10/02/2021   22:24:48  (  70.10,-159.86)    3.61                59
 10/02/2021   23:15:17   ( -70.02,   7.61) 10/02/2021   23:15:30  ( -70.00,   7.61)    2.21                13
 10/03/2021   00:04:55   (  69.31, 174.29) 10/03/2021   00:06:03  (  69.31, 175.93)   64.65                68
 10/05/2021   14:42:18   (  70.08, -44.06) 10/05/2021   14:41:43  (  70.06, -44.02)    2.69                35
 10/05/2021   15:31:48   ( -69.97, 123.42) 10/05/2021   15:32:25  ( -69.95, 123.45)    2.03                37
 10/08/2021   06:09:14   ( -70.56, -95.12) 10/08/2021   06:08:03  ( -70.59, -96.40)   47.17                71
 10/08/2021   06:58:48   (  70.07,  71.81) 10/08/2021   06:58:39  (  70.07,  71.73)    3.01                 9
 10/08/2021   07:48:19   ( -69.91,-120.79) 10/08/2021   07:49:20  ( -69.91,-120.71)    2.82                61
 10/10/2021   22:25:51   ( -70.11,  20.10) 10/10/2021   22:24:49  ( -70.13,  20.10)    1.97                62
 10/10/2021   23:15:18   (  70.00,-172.41) 10/10/2021   23:15:32  (  69.98,-172.36)    3.04                14
 10/11/2021   00:04:56   ( -69.46,  -5.52) 10/11/2021   00:06:06  ( -69.45,  -4.26)   49.24                70