Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 2 13.  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)
 02/13/2023   13:52:44   ( -70.23, 148.44) 02/13/2023   13:51:47  ( -70.25, 148.50)    2.85                57
 02/13/2023   14:42:11   (  70.14, -44.06) 02/13/2023   14:42:31  (  70.14, -44.02)    1.69                20
 02/13/2023   15:31:53   ( -69.36, 122.50) 02/13/2023   15:33:00  ( -69.36, 124.46)   76.56                67
 02/16/2023   06:09:11   ( -70.23, -95.69) 02/16/2023   06:08:42  ( -70.25, -95.72)    2.60                29
 02/16/2023   06:58:38   (  70.13,  71.81) 02/16/2023   06:59:26  (  70.14,  71.76)    2.52                48
 02/18/2023   21:36:06   (  70.34,-147.27) 02/18/2023   21:34:54  (  70.36,-147.44)    6.77                72
 02/18/2023   22:25:37   ( -70.17,  20.12) 02/18/2023   22:25:34  ( -70.16,  20.20)    3.13                 3
 02/18/2023   23:15:05   (  70.01,-172.47) 02/18/2023   23:16:17  (  70.00,-172.25)    8.31                72
 02/21/2023   13:52:32   (  70.28, -31.47) 02/21/2023   13:51:47  (  70.29, -31.54)    3.21                45
 02/21/2023   14:42:02   ( -70.17, 136.00) 02/21/2023   14:42:28  ( -70.14, 136.01)    2.78                26
 02/24/2023   05:19:18   ( -70.98, -82.16) 02/24/2023   05:18:10  ( -71.07, -84.34)   79.33                68
 02/24/2023   06:08:57   (  70.22,  84.34) 02/24/2023   06:08:40  (  70.24,  84.33)    2.19                17
 02/24/2023   06:58:27   ( -70.11,-108.19) 02/24/2023   06:59:22  ( -70.14,-108.20)    3.36                55
 02/26/2023   21:35:53   ( -70.32,  32.75) 02/26/2023   21:34:49  ( -70.30,  32.71)    3.35                64
 02/26/2023   22:25:20   (  70.21,-159.77) 02/26/2023   22:25:33  (  70.20,-159.82)    2.53                13
 02/26/2023   23:14:57   ( -69.72,   7.17) 02/26/2023   23:16:07  ( -69.67,   8.29)   43.52                70