Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 7 21.  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)
 07/23/2023   13:52:11   ( -70.25, 148.58) 07/23/2023   13:51:37  ( -70.25, 148.62)    1.74                34
 07/23/2023   14:41:38   (  70.15, -43.92) 07/23/2023   14:42:22  (  70.18, -43.95)    3.00                44
 07/26/2023   05:19:08   (  70.61,  97.35) 07/26/2023   05:17:57  (  70.68,  96.38)   36.60                71
 07/26/2023   06:08:43   ( -70.23, -95.58) 07/26/2023   06:08:32  ( -70.23, -95.59)    0.35                11
 07/26/2023   06:58:10   (  70.13,  71.92) 07/26/2023   06:59:16  (  70.11,  71.91)    1.89                66
 07/28/2023   21:35:45   (  70.29,-147.25) 07/28/2023   21:34:45  (  70.31,-147.26)    1.81                60
 07/28/2023   22:25:15   ( -70.19,  20.24) 07/28/2023   22:25:26  ( -70.17,  20.27)    2.53                11
 07/28/2023   23:14:52   (  69.53,-173.04) 07/28/2023   23:16:00  (  69.52,-171.45)   61.82                68
 07/31/2023   13:52:15   (  70.28, -31.39) 07/31/2023   13:51:38  (  70.26, -31.41)    2.97                37
 07/31/2023   14:41:45   ( -70.18, 136.10) 07/31/2023   14:42:20  ( -70.17, 136.04)    2.78                35
 08/03/2023   05:19:09   ( -70.91, -82.21) 08/03/2023   05:18:00  ( -70.95, -84.08)   68.13                69
 08/03/2023   06:08:47   (  70.20,  84.37) 08/03/2023   06:08:32  (  70.21,  84.42)    2.73                15
 08/03/2023   06:58:17   ( -70.10,-108.14) 08/03/2023   06:59:14  ( -70.12,-108.12)    2.61                57