Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2022 1 29.  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   ( -70.60,  20.80) 01/30/2022   22:24:15  ( -70.62,  19.58)   45.03                71
 01/30/2022   23:15:00   (  70.12,-172.26) 01/30/2022   23:14:51  (  70.09,-172.28)    3.34                 9
 01/31/2022   00:04:30   ( -70.01,  -4.79) 01/31/2022   00:05:33  ( -70.00,  -4.83)    1.39                63
 02/02/2022   14:42:03   ( -70.17, 136.04) 02/02/2022   14:40:57  ( -70.15, 136.10)    3.44                66
 02/02/2022   15:31:30   (  70.07, -56.46) 02/02/2022   15:31:41  (  70.05, -56.43)    3.08                11
 02/02/2022   16:21:06   ( -69.63, 110.56) 02/02/2022   16:22:17  ( -69.64, 111.50)   36.57                71
 02/05/2022   06:58:32   ( -70.17,-108.08) 02/05/2022   06:57:48  ( -70.16,-108.12)    2.40                44
 02/05/2022   07:47:59   (  70.07,  59.41) 02/05/2022   07:48:32  (  70.05,  59.35)    2.92                33
 02/07/2022   22:25:17   (  70.99,-158.62) 02/07/2022   22:24:10  (  71.00,-161.00)   86.22                67
 02/07/2022   23:15:01   ( -70.11,   7.71) 02/07/2022   23:14:37  ( -70.11,   7.74)    1.34                24
 02/08/2022   00:04:28   (  70.00, 175.20) 02/08/2022   00:05:21  (  70.01, 175.20)    0.82                53
 02/10/2022   14:41:59   (  70.26, -43.84) 02/10/2022   14:40:47  (  70.28, -44.04)    7.96                72
 02/10/2022   15:31:30   ( -70.10, 123.57) 02/10/2022   15:31:28  ( -70.12, 123.52)    2.92                 2
 02/10/2022   16:20:58   (  69.93, -69.02) 02/10/2022   16:22:10  (  69.92, -68.87)    6.12                72