Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 12 20.  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)
 12/21/2021   22:25:44   (  70.14,-159.88) 12/21/2021   22:25:05  (  70.16,-159.88)    2.68                39
 12/21/2021   23:15:14   ( -70.02,   7.60) 12/21/2021   23:15:46  ( -70.03,   7.64)    1.84                32
 12/24/2021   13:52:34   ( -70.84, 149.41) 12/24/2021   13:51:25  ( -70.91, 147.39)   74.11                69
 12/24/2021   14:42:12   (  70.14, -43.99) 12/24/2021   14:41:56  (  70.12, -44.03)    2.73                16
 12/24/2021   15:31:42   ( -70.03, 123.49) 12/24/2021   15:32:38  ( -70.03, 123.42)    2.74                56
 12/27/2021   06:09:13   ( -70.18, -95.69) 12/27/2021   06:08:02  ( -70.19, -95.67)    1.12                71
 12/27/2021   06:58:40   (  70.07,  71.80) 12/27/2021   06:58:46  (  70.08,  71.82)    0.65                 6
 12/27/2021   07:48:13   ( -69.80,-120.95) 12/27/2021   07:49:25  ( -69.83,-120.50)   17.48                72
 12/29/2021   22:25:41   ( -70.17,  20.17) 12/29/2021   22:24:53  ( -70.15,  20.17)    1.62                48
 12/29/2021   23:15:08   (  70.05,-172.34) 12/29/2021   23:15:37  (  70.04,-172.35)    1.52                29
 01/01/2022   13:52:25   (  71.01, -30.32) 01/01/2022   13:51:18  (  71.05, -32.81)   90.26                67
 01/01/2022   14:42:09   ( -70.14, 136.02) 01/01/2022   14:41:44  ( -70.11, 136.01)    2.47                25
 01/01/2022   15:31:36   (  70.02, -56.50) 01/01/2022   15:32:28  (  70.01, -56.52)    1.81                52