Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 11 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)
 11/30/2021   13:52:48   (  70.20, -31.54) 11/30/2021   13:51:41  (  70.22, -31.57)    2.62                67
 11/30/2021   14:42:18   ( -70.09, 135.94) 11/30/2021   14:42:22  ( -70.09, 135.95)    0.36                 4
 11/30/2021   15:31:50   (  69.71, -56.95) 11/30/2021   15:33:01  (  69.70, -56.16)   30.26                71
 12/03/2021   06:09:18   (  70.16,  84.28) 12/03/2021   06:08:32  (  70.15,  84.31)    1.33                46
 12/03/2021   06:58:48   ( -70.05,-108.24) 12/03/2021   06:59:14  ( -70.07,-108.25)    2.31                26
 12/05/2021   22:25:46   (  70.16,-159.83) 12/05/2021   22:25:23  (  70.14,-159.89)    3.20                23
 12/05/2021   23:15:17   ( -70.00,   7.57) 12/05/2021   23:16:04  ( -70.00,   7.64)    2.35                47
 12/08/2021   13:52:47   ( -70.33, 148.64) 12/08/2021   13:51:34  ( -70.40, 148.17)   19.48                73
 12/08/2021   14:42:16   (  70.11, -44.04) 12/08/2021   14:42:14  (  70.08, -44.02)    3.03                 2
 12/08/2021   15:31:46   ( -70.00, 123.45) 12/08/2021   15:32:56  ( -69.99, 123.43)    1.64                70
 12/11/2021   06:09:19   ( -70.16, -95.72) 12/11/2021   06:08:22  ( -70.19, -95.71)    2.95                57
 12/11/2021   06:58:46   (  70.04,  71.76) 12/11/2021   06:59:06  (  70.07,  71.77)    3.50                20