Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2022 4 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)
 04/18/2022   06:08:32   ( -70.97, -94.50) 04/18/2022   06:07:25  ( -71.06, -96.98)   90.41                67
 04/18/2022   06:58:13   (  70.11,  71.86) 04/18/2022   06:57:53  (  70.10,  71.88)    0.89                20
 04/18/2022   07:47:43   ( -69.99,-120.67) 04/18/2022   07:48:35  ( -70.02,-120.68)    3.36                52
 04/20/2022   22:25:15   ( -70.17,  20.19) 04/20/2022   22:24:02  ( -70.18,  20.23)    1.40                73
 04/20/2022   23:14:42   (  70.07,-172.31) 04/20/2022   23:14:46  (  70.06,-172.28)    1.69                 4
 04/21/2022   00:04:14   ( -69.85,  -4.99) 04/21/2022   00:05:26  ( -69.87,  -4.68)   12.17                72
 04/23/2022   14:41:43   ( -70.12, 136.01) 04/23/2022   14:40:54  ( -70.14, 136.07)    2.73                49
 04/23/2022   15:31:10   (  70.01, -56.50) 04/23/2022   15:31:38  (  70.02, -56.44)    2.28                28
 04/26/2022   06:08:28   (  70.93,  85.47) 04/26/2022   06:07:20  (  70.98,  83.18)   83.24                68
 04/26/2022   06:58:11   ( -70.11,-108.12) 04/26/2022   06:57:47  ( -70.10,-108.09)    1.59                24
 04/26/2022   07:47:38   (  70.00,  59.37) 04/26/2022   07:48:31  (  69.98,  59.39)    1.73                53
 04/28/2022   22:25:09   (  70.19,-159.75) 04/28/2022   22:23:58  (  70.16,-159.73)    3.05                71
 04/28/2022   23:14:39   ( -70.08,   7.73) 04/28/2022   23:14:40  ( -70.07,   7.73)    1.76                 1
 04/29/2022   00:04:09   (  69.80, 174.99) 04/29/2022   00:05:21  (  69.80, 175.45)   17.72                72
 05/01/2022   14:41:37   (  70.14, -43.93) 05/01/2022   14:40:51  (  70.14, -43.91)    0.59                46
 05/01/2022   15:31:07   ( -70.04, 123.56) 05/01/2022   15:31:33  ( -70.04, 123.55)    0.52                26