Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 10 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)
 10/24/2021   06:09:23   ( -70.17, -95.70) 10/24/2021   06:08:11  ( -70.16, -95.76)    2.76                72
 10/24/2021   06:58:51   (  70.02,  71.72) 10/24/2021   06:58:55  (  70.04,  71.73)    2.22                 4
 10/24/2021   07:48:22   ( -69.85,-120.88) 10/24/2021   07:49:35  ( -69.84,-120.65)    8.93                73
 10/26/2021   22:25:53   ( -70.12,  20.11) 10/26/2021   22:25:09  ( -70.09,  20.10)    3.60                44
 10/26/2021   23:15:21   (  69.97,-172.47) 10/26/2021   23:15:53  (  69.98,-172.42)    2.26                32
 10/29/2021   13:52:44   (  70.62, -30.92) 10/29/2021   13:51:34  (  70.66, -32.35)   52.91                70
 10/29/2021   14:42:22   ( -70.07, 135.91) 10/29/2021   14:42:07  ( -70.08, 135.87)    2.19                15
 10/29/2021   15:31:49   (  69.96, -56.59) 10/29/2021   15:32:51  (  69.97, -56.65)    2.31                62
 11/01/2021   06:09:22   (  70.12,  84.22) 11/01/2021   06:08:23  (  70.13,  84.25)    1.64                59
 11/01/2021   06:58:52   ( -70.01,-108.29) 11/01/2021   06:59:05  ( -70.03,-108.28)    2.07                13
 11/01/2021   07:48:30   (  69.29,  58.37) 11/01/2021   07:49:38  (  69.33,  60.05)   66.06                68
 11/03/2021   22:25:51   (  70.10,-159.92) 11/03/2021   22:25:21  (  70.08,-159.91)    2.71                30
 11/03/2021   23:15:21   ( -70.00,   7.57) 11/03/2021   23:16:03  ( -69.97,   7.56)    2.61                42