Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2022 4 21.  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)
 04/23/2022   14:41:43   ( -70.15, 136.04) 04/23/2022   14:40:55  ( -70.17, 136.02)    2.62                48
 04/23/2022   15:31:10   (  70.04, -56.46) 04/23/2022   15:31:39  (  70.05, -56.49)    1.15                29
 04/26/2022   06:08:28   (  70.95,  85.51) 04/26/2022   06:07:21  (  71.01,  83.13)   86.44                67
 04/26/2022   06:58:11   ( -70.13,-108.09) 04/26/2022   06:57:48  ( -70.13,-108.15)    2.30                23
 04/26/2022   07:47:38   (  70.02,  59.41) 04/26/2022   07:48:32  (  70.02,  59.34)    2.67                54
 04/28/2022   22:25:08   (  70.21,-159.72) 04/28/2022   22:23:58  (  70.19,-159.78)    3.12                70
 04/28/2022   23:14:39   ( -70.05,   7.69) 04/28/2022   23:14:39  ( -70.05,   7.76)    2.64                 0
 04/29/2022   00:04:09   (  69.77, 174.94) 04/29/2022   00:05:20  (  69.78, 175.48)   20.44                71
 05/01/2022   14:41:36   (  70.16, -43.89) 05/01/2022   14:40:51  (  70.17, -43.97)    3.22                45
 05/01/2022   15:31:07   ( -70.01, 123.52) 05/01/2022   15:31:32  ( -70.03, 123.57)    3.28                25
 05/04/2022   06:08:22   ( -71.03, -94.34) 05/04/2022   06:07:15  ( -71.05, -96.92)   93.41                67
 05/04/2022   06:58:04   (  70.10,  71.91) 05/04/2022   06:57:43  (  70.11,  71.91)    0.76                21
 05/04/2022   07:47:34   ( -70.00,-120.60) 05/04/2022   07:48:25  ( -70.01,-120.63)    1.78                51