Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 11 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)
 11/25/2021   06:09:18   ( -70.17, -95.71) 11/25/2021   06:08:39  ( -70.18, -95.74)    1.85                39
 11/25/2021   06:58:45   (  70.06,  71.79) 11/25/2021   06:59:23  (  70.06,  71.76)    1.67                38
 11/27/2021   21:36:09   (  70.74,-146.61) 11/27/2021   21:35:00  (  70.81,-148.29)   61.95                69
 11/27/2021   22:25:48   ( -70.14,  20.13) 11/27/2021   22:25:31  ( -70.15,  20.08)    2.54                17
 11/27/2021   23:15:15   (  70.03,-172.37) 11/27/2021   23:16:15  (  70.03,-172.43)    2.16                60
 11/30/2021   13:52:48   (  70.21, -31.52) 11/30/2021   13:51:41  (  70.21, -31.56)    1.42                67
 11/30/2021   14:42:18   ( -70.11, 135.96) 11/30/2021   14:42:22  ( -70.08, 135.97)    3.30                 4
 11/30/2021   15:31:50   (  69.72, -56.93) 11/30/2021   15:33:01  (  69.69, -56.15)   30.38                71
 12/03/2021   06:09:17   (  70.17,  84.30) 12/03/2021   06:08:31  (  70.14,  84.33)    3.14                46
 12/03/2021   06:58:47   ( -70.07,-108.21) 12/03/2021   06:59:13  ( -70.06,-108.22)    1.18                26
 12/05/2021   22:25:47   (  70.12,-159.89) 12/05/2021   22:25:23  (  70.13,-159.87)    1.18                24
 12/05/2021   23:15:17   ( -70.02,   7.60) 12/05/2021   23:16:05  ( -70.04,   7.58)    2.20                48
 12/08/2021   13:52:47   ( -70.35, 148.67) 12/08/2021   13:51:34  ( -70.39, 148.20)   18.12                73
 12/08/2021   14:42:16   (  70.12, -44.01) 12/08/2021   14:42:15  (  70.12, -44.08)    2.49                 1
 12/08/2021   15:31:47   ( -69.97, 123.41) 12/08/2021   15:32:56  ( -69.97, 123.46)    2.04                69