Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 4 25.  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)
 04/26/2023   13:02:28   ( -70.42, 161.04) 04/26/2023   13:01:40  ( -70.43, 161.10)    2.64                48
 04/26/2023   13:51:55   (  70.31, -31.47) 04/26/2023   13:52:24  (  70.31, -31.41)    2.21                29
 04/29/2023   04:29:12   (  71.29, 110.62) 04/29/2023   04:28:05  (  71.31, 108.10)   89.98                67
 04/29/2023   05:18:56   ( -70.42, -83.09) 04/29/2023   05:18:32  ( -70.44, -83.13)    2.76                24
 04/29/2023   06:08:23   (  70.31,  84.40) 04/29/2023   06:09:16  (  70.32,  84.35)    2.66                53
 05/01/2023   20:45:53   (  70.48,-134.75) 05/01/2023   20:44:40  (  70.50,-134.77)    2.00                73
 05/01/2023   21:35:23   ( -70.37,  32.73) 05/01/2023   21:35:21  ( -70.35,  32.78)    3.13                 2
 05/01/2023   22:24:51   (  70.21,-159.87) 05/01/2023   22:26:04  (  70.19,-159.67)    7.73                73
 05/04/2023   13:02:20   (  70.45, -18.91) 05/04/2023   13:01:30  (  70.43, -18.88)    2.73                50
 05/04/2023   13:51:50   ( -70.35, 148.57) 05/04/2023   13:52:12  ( -70.33, 148.59)    1.87                22
 05/07/2023   05:18:46   (  70.44,  96.95) 05/07/2023   05:18:21  (  70.42,  96.90)    2.30                25
 05/07/2023   06:08:16   ( -70.33, -95.57) 05/07/2023   06:09:03  ( -70.32, -95.62)    2.42                47