Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 6 18.  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)
 06/18/2023   21:35:24   ( -70.36,  32.87) 06/18/2023   21:34:38  ( -70.37,  32.79)    3.09                46
 06/18/2023   22:24:52   (  70.21,-159.71) 06/18/2023   22:25:21  (  70.20,-159.65)    2.66                29
 06/21/2023   13:02:09   (  71.19, -17.61) 06/21/2023   13:01:02  (  71.25, -20.20)   92.83                67
 06/21/2023   13:51:53   ( -70.31, 148.68) 06/21/2023   13:51:28  ( -70.32, 148.64)    1.54                25
 06/21/2023   14:41:20   (  70.21, -43.82) 06/21/2023   14:42:12  (  70.21, -43.88)    2.09                52
 06/24/2023   05:18:52   (  70.41,  97.07) 06/24/2023   05:17:39  (  70.47,  96.86)   10.75                73
 06/24/2023   06:08:22   ( -70.29, -95.46) 06/24/2023   06:08:19  ( -70.28, -95.51)    2.73                 3
 06/24/2023   06:57:50   (  70.13,  71.95) 06/24/2023   06:59:03  (  70.17,  71.96)    3.64                73
 06/26/2023   21:35:21   (  70.36,-147.11) 06/26/2023   21:34:28  (  70.33,-147.14)    2.97                53
 06/26/2023   22:24:51   ( -70.25,  20.36) 06/26/2023   22:25:10  ( -70.24,  20.32)    1.89                19
 06/26/2023   23:14:33   (  69.31,-173.29) 06/26/2023   23:15:39  (  69.34,-171.03)   88.62                66
 06/29/2023   13:51:50   (  70.29, -31.33) 06/29/2023   13:51:19  (  70.31, -31.32)    2.06                31
 06/29/2023   14:41:20   ( -70.18, 136.15) 06/29/2023   14:42:01  ( -70.21, 136.14)    3.25                41