Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 11 23.  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   06:09:19   ( -70.15, -95.73) 11/25/2021   06:08:39  ( -70.14, -95.69)    1.81                40
 11/25/2021   06:58:45   (  70.04,  71.76) 11/25/2021   06:59:22  (  70.02,  71.81)    2.85                37
 11/27/2021   21:36:09   (  70.72,-146.64) 11/27/2021   21:34:59  (  70.78,-148.24)   58.86                70
 11/27/2021   22:25:48   ( -70.12,  20.11) 11/27/2021   22:25:30  ( -70.12,  20.13)    0.97                18
 11/27/2021   23:15:15   (  70.01,-172.40) 11/27/2021   23:16:14  (  70.00,-172.38)    1.76                59
 11/30/2021   13:52:48   (  70.19, -31.55) 11/30/2021   13:51:40  (  70.18, -31.51)    1.93                68
 11/30/2021   14:42:18   ( -70.09, 135.94) 11/30/2021   14:42:22  ( -70.10, 135.94)    0.63                 4
 11/30/2021   15:31:50   (  69.70, -56.96) 11/30/2021   15:33:01  (  69.71, -56.18)   30.07                71
 12/03/2021   06:09:18   (  70.15,  84.27) 12/03/2021   06:08:32  (  70.16,  84.30)    1.82                46
 12/03/2021   06:58:48   ( -70.05,-108.24) 12/03/2021   06:59:14  ( -70.08,-108.25)    2.89                26
 12/05/2021   22:25:47   (  70.16,-159.84) 12/05/2021   22:25:24  (  70.15,-159.91)    2.59                23
 12/05/2021   23:15:17   ( -70.01,   7.58) 12/05/2021   23:16:04  ( -70.01,   7.63)    2.04                47