Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2022 3 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)
 03/19/2022   22:25:18   ( -70.21,  20.17) 03/19/2022   22:24:11  ( -70.20,  20.18)    1.48                67
 03/19/2022   23:14:45   (  70.10,-172.34) 03/19/2022   23:14:55  (  70.08,-172.32)    2.93                10
 03/20/2022   00:04:20   ( -69.71,  -5.24) 03/20/2022   00:05:31  ( -69.67,  -4.40)   32.79                71
 03/22/2022   14:41:46   ( -70.15, 135.97) 03/22/2022   14:41:05  ( -70.14, 136.04)    3.24                41
 03/22/2022   15:31:13   (  70.04, -56.54) 03/22/2022   15:31:50  (  70.07, -56.55)    3.36                37
 03/25/2022   06:08:37   (  70.58,  84.84) 03/25/2022   06:07:26  (  70.65,  83.69)   43.13                71
 03/25/2022   06:58:13   ( -70.14,-108.16) 03/25/2022   06:58:00  ( -70.14,-108.18)    0.95                13
 03/25/2022   07:47:40   (  70.03,  59.32) 03/25/2022   07:48:44  (  70.02,  59.30)    1.14                64
 03/27/2022   22:25:09   (  70.22,-159.80) 03/27/2022   22:24:12  (  70.23,-159.88)    3.14                57
 03/27/2022   23:14:40   ( -70.06,   7.61) 03/27/2022   23:14:53  ( -70.08,   7.67)    3.27                13
 03/28/2022   00:04:18   (  69.34, 174.27) 03/28/2022   00:05:25  (  69.33, 176.08)   71.16                67
 03/30/2022   14:41:36   (  70.18, -43.97) 03/30/2022   14:41:06  (  70.18, -44.03)    2.52                30
 03/30/2022   15:31:07   ( -70.03, 123.44) 03/30/2022   15:31:47  ( -70.04, 123.51)    2.75                40