Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2022 1 30.  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)
 01/30/2022   22:25:26   ( -70.59,  20.78) 01/30/2022   22:24:15  ( -70.63,  19.56)   45.10                71
 01/30/2022   23:15:00   (  70.11,-172.28) 01/30/2022   23:14:51  (  70.10,-172.30)    1.63                 9
 01/31/2022   00:04:30   ( -70.00,  -4.81) 01/31/2022   00:05:33  ( -70.01,  -4.84)    2.05                63
 02/02/2022   14:42:03   ( -70.16, 136.02) 02/02/2022   14:40:57  ( -70.16, 136.09)    2.66                66
 02/02/2022   15:31:30   (  70.06, -56.48) 02/02/2022   15:31:41  (  70.06, -56.44)    1.60                11
 02/02/2022   16:21:06   ( -69.62, 110.54) 02/02/2022   16:22:16  ( -69.59, 111.57)   39.96                70
 02/05/2022   06:58:32   ( -70.15,-108.11) 02/05/2022   06:57:48  ( -70.17,-108.13)    1.51                44
 02/05/2022   07:47:59   (  70.05,  59.39) 02/05/2022   07:48:32  (  70.06,  59.34)    2.42                33
 02/07/2022   22:25:18   (  70.96,-158.67) 02/07/2022   22:24:11  (  71.01,-161.02)   85.41                67
 02/07/2022   23:15:01   ( -70.14,   7.74) 02/07/2022   23:14:38  ( -70.12,   7.73)    2.13                23
 02/08/2022   00:04:28   (  70.03, 175.24) 02/08/2022   00:05:22  (  70.02, 175.19)    2.16                54
 02/10/2022   14:41:59   (  70.22, -43.89) 02/10/2022   14:40:46  (  70.23, -43.98)    3.48                73
 02/10/2022   15:31:30   ( -70.06, 123.51) 02/10/2022   15:31:27  ( -70.08, 123.58)    3.30                 3
 02/10/2022   16:20:57   (  69.95, -69.00) 02/10/2022   16:22:10  (  69.93, -68.88)    5.00                73