Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 1 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)
 01/25/2023   21:36:09   ( -70.83,  33.46) 01/25/2023   21:35:00  ( -70.92,  31.61)   67.86                69
 01/25/2023   22:25:46   (  70.18,-159.86) 01/25/2023   22:25:32  (  70.18,-159.88)    0.84                14
 01/25/2023   23:15:16   ( -70.07,   7.62) 01/25/2023   23:16:14  ( -70.08,   7.58)    2.10                58
 01/28/2023   13:52:49   ( -70.27, 148.49) 01/28/2023   13:51:44  ( -70.27, 148.43)    2.43                65
 01/28/2023   14:42:16   (  70.16, -44.02) 01/28/2023   14:42:28  (  70.16, -44.09)    2.74                12
 01/28/2023   15:31:52   ( -69.72, 123.01) 01/28/2023   15:33:03  ( -69.70, 123.93)   35.77                71
 01/31/2023   06:09:19   ( -70.21, -95.70) 01/31/2023   06:08:39  ( -70.22, -95.70)    0.05                40
 01/31/2023   06:58:46   (  70.10,  71.78) 01/31/2023   06:59:23  (  70.11,  71.77)    0.61                37
 02/02/2023   21:36:11   (  70.67,-146.79) 02/02/2023   21:35:01  (  70.74,-148.09)   48.56                70
 02/02/2023   22:25:48   ( -70.18,  20.13) 02/02/2023   22:25:34  ( -70.17,  20.14)    1.36                14
 02/02/2023   23:15:15   (  70.07,-172.39) 02/02/2023   23:16:18  (  70.07,-172.39)    0.19                63
 02/05/2023   13:52:45   (  70.27, -31.50) 02/05/2023   13:51:46  (  70.24, -31.51)    2.72                59
 02/05/2023   14:42:15   ( -70.16, 135.98) 02/05/2023   14:42:28  ( -70.14, 135.97)    3.11                13
 02/05/2023   15:31:53   (  69.44, -57.37) 02/05/2023   15:33:01  (  69.45, -55.70)   65.27                68