Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 8 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)
 08/18/2021   14:42:05   (  70.08, -44.03) 08/18/2021   14:41:25  (  70.07, -44.02)    1.42                40
 08/18/2021   15:31:34   ( -69.97, 123.45) 08/18/2021   15:32:06  ( -69.98, 123.43)    1.63                32
 08/21/2021   06:08:57   ( -70.72, -94.85) 08/21/2021   06:07:48  ( -70.78, -96.69)   67.83                69
 08/21/2021   06:58:35   (  70.01,  71.75) 08/21/2021   06:58:20  (  70.03,  71.81)    3.04                15
 08/21/2021   07:48:04   ( -69.96,-120.68) 08/21/2021   07:49:02  ( -69.95,-120.75)    3.09                58
 08/23/2021   22:25:38   ( -70.11,  20.13) 08/23/2021   22:24:32  ( -70.12,  20.14)    0.84                66
 08/23/2021   23:15:05   (  70.00,-172.39) 08/23/2021   23:15:16  (  70.00,-172.38)    0.55                11
 08/24/2021   00:04:41   ( -69.57,  -5.35) 08/24/2021   00:05:52  ( -69.59,  -4.45)   34.86                71
 08/26/2021   14:42:08   ( -70.09, 135.99) 08/26/2021   14:41:28  ( -70.08, 135.96)    1.71                40
 08/26/2021   15:31:35   (  69.98, -56.53) 08/26/2021   15:32:12  (  69.97, -56.56)    1.50                37
 08/29/2021   06:09:01   (  70.55,  84.91) 08/29/2021   06:07:51  (  70.62,  83.56)   50.48                70
 08/29/2021   06:58:38   ( -70.02,-108.24) 08/29/2021   06:58:23  ( -70.05,-108.23)    3.36                15
 08/29/2021   07:48:04   (  69.96,  59.32) 08/29/2021   07:49:07  (  69.94,  59.25)    3.15                63