Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 4 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)
 04/29/2023   04:29:12   (  71.27, 110.58) 04/29/2023   04:28:05  (  71.33, 108.05)   90.59                67
 04/29/2023   05:18:56   ( -70.39, -83.13) 04/29/2023   05:18:31  ( -70.41, -83.10)    2.78                25
 04/29/2023   06:08:23   (  70.29,  84.37) 04/29/2023   06:09:15  (  70.30,  84.39)    1.22                52
 05/01/2023   20:45:54   (  70.48,-134.75) 05/01/2023   20:44:41  (  70.51,-134.80)    3.90                73
 05/01/2023   21:35:24   ( -70.37,  32.72) 05/01/2023   21:35:22  ( -70.37,  32.74)    0.67                 2
 05/01/2023   22:24:52   (  70.21,-159.86) 05/01/2023   22:26:05  (  70.21,-159.70)    6.35                73
 05/04/2023   13:02:22   (  70.44, -18.93) 05/04/2023   13:01:31  (  70.43, -18.90)    1.61                51
 05/04/2023   13:51:52   ( -70.33, 148.54) 05/04/2023   13:52:13  ( -70.34, 148.57)    1.63                21
 05/07/2023   05:18:48   (  70.42,  96.92) 05/07/2023   05:18:21  (  70.41,  96.92)    1.20                27
 05/07/2023   06:08:18   ( -70.32, -95.60) 05/07/2023   06:09:03  ( -70.31, -95.61)    0.50                45
 05/09/2023   20:45:45   ( -70.66,  45.51) 05/09/2023   20:44:32  ( -70.70,  44.92)   22.40                73
 05/09/2023   21:35:15   (  70.38,-147.26) 05/09/2023   21:35:12  (  70.40,-147.28)    2.08                 3
 05/09/2023   22:24:45   ( -70.28,  20.23) 05/09/2023   22:25:54  ( -70.30,  20.19)    2.52                69
 05/12/2023   13:02:15   ( -70.43, 161.06) 05/12/2023   13:01:18  ( -70.43, 161.13)    2.91                57
 05/12/2023   13:51:42   (  70.31, -31.47) 05/12/2023   13:52:02  (  70.34, -31.41)    3.51                20