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   ( -70.43, 161.05) 04/26/2023   13:01:40  ( -70.42, 161.12)    2.60                48
 04/26/2023   13:51:55   (  70.33, -31.45) 04/26/2023   13:52:24  (  70.30, -31.40)    3.32                29
 04/29/2023   04:29:11   (  71.31, 110.65) 04/29/2023   04:28:05  (  71.35, 108.02)   93.54                66
 04/29/2023   05:18:55   ( -70.43, -83.06) 04/29/2023   05:18:31  ( -70.42, -83.12)    2.29                24
 04/29/2023   06:08:22   (  70.33,  84.43) 04/29/2023   06:09:15  (  70.31,  84.36)    2.84                53
 05/01/2023   20:45:54   (  70.46,-134.78) 05/01/2023   20:44:40  (  70.48,-134.75)    3.06                74
 05/01/2023   21:35:23   ( -70.40,  32.77) 05/01/2023   21:35:22  ( -70.39,  32.72)    2.69                 1
 05/01/2023   22:24:52   (  70.18,-159.90) 05/01/2023   22:26:04  (  70.18,-159.65)    9.72                72
 05/04/2023   13:02:21   (  70.44, -18.92) 05/04/2023   13:01:31  (  70.46, -18.94)    2.03                50
 05/04/2023   13:51:51   ( -70.34, 148.56) 05/04/2023   13:52:13  ( -70.36, 148.53)    2.93                22
 05/07/2023   05:18:48   (  70.39,  96.89) 05/07/2023   05:18:21  (  70.40,  96.94)    2.07                27
 05/07/2023   06:08:18   ( -70.29, -95.63) 05/07/2023   06:09:03  ( -70.30, -95.58)    1.86                45