Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 9 15.  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)
 09/16/2021   22:25:43   (  70.09,-159.90) 09/16/2021   22:24:43  (  70.08,-159.83)    3.06                60
 09/16/2021   23:15:13   ( -69.98,   7.57) 09/16/2021   23:15:25  ( -69.99,   7.63)    2.50                12
 09/17/2021   00:04:50   (  69.32, 174.32) 09/17/2021   00:05:58  (  69.29, 175.96)   64.58                68
 09/19/2021   14:42:13   (  70.06, -44.07) 09/19/2021   14:41:39  (  70.07, -44.05)    1.79                34
 09/19/2021   15:31:43   ( -69.95, 123.41) 09/19/2021   15:32:21  ( -69.98, 123.42)    3.09                38
 09/22/2021   06:09:09   ( -70.51, -95.18) 09/22/2021   06:07:58  ( -70.54, -96.32)   42.52                71
 09/22/2021   06:58:43   (  70.02,  71.76) 09/22/2021   06:58:34  (  70.02,  71.81)    2.08                 9
 09/22/2021   07:48:12   ( -69.91,-120.76) 09/22/2021   07:49:15  ( -69.91,-120.72)    1.51                63
 09/24/2021   22:25:45   ( -70.09,  20.09) 09/24/2021   22:24:45  ( -70.12,  20.12)    3.04                60
 09/24/2021   23:15:12   (  69.98,-172.42) 09/24/2021   23:15:29  (  70.01,-172.41)    3.70                17
 09/25/2021   00:04:52   ( -69.32,  -5.68) 09/25/2021   00:06:00  ( -69.33,  -4.09)   62.41                68
 09/27/2021   14:42:15   ( -70.05, 135.91) 09/27/2021   14:41:40  ( -70.06, 135.98)    2.83                35
 09/27/2021   15:31:42   (  69.93, -56.60) 09/27/2021   15:32:24  (  69.96, -56.56)    3.23                42