Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 10 16.  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)
 10/18/2021   22:25:52   (  70.09,-159.94) 10/18/2021   22:24:58  (  70.09,-159.86)    2.89                54
 10/18/2021   23:15:22   ( -69.97,   7.53) 10/18/2021   23:15:40  ( -69.99,   7.61)    3.48                18
 10/19/2021   00:05:03   (  69.10, 174.00) 10/19/2021   00:06:09  (  69.08, 176.24)   88.88                66
 10/21/2021   14:42:21   (  70.05, -44.11) 10/21/2021   14:41:56  (  70.07, -44.08)    3.09                25
 10/21/2021   15:31:50   ( -69.99, 123.44) 10/21/2021   15:32:38  ( -69.97, 123.39)    2.68                48
 10/24/2021   06:09:23   ( -70.16, -95.71) 10/24/2021   06:08:11  ( -70.17, -95.78)    2.65                72
 10/24/2021   06:58:51   (  70.00,  71.70) 10/24/2021   06:58:54  (  70.01,  71.77)    2.89                 3
 10/24/2021   07:48:22   ( -69.84,-120.89) 10/24/2021   07:49:35  ( -69.86,-120.67)    8.62                73
 10/26/2021   22:25:53   ( -70.12,  20.10) 10/26/2021   22:25:09  ( -70.11,  20.07)    1.11                44
 10/26/2021   23:15:20   (  70.01,-172.41) 10/26/2021   23:15:53  (  70.00,-172.46)    1.69                33
 10/29/2021   13:52:45   (  70.60, -30.94) 10/29/2021   13:51:35  (  70.69, -32.40)   54.42                70
 10/29/2021   14:42:23   ( -70.06, 135.90) 10/29/2021   14:42:07  ( -70.05, 135.92)    1.18                16
 10/29/2021   15:31:50   (  69.95, -56.61) 10/29/2021   15:32:51  (  69.95, -56.61)    0.15                61