Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 5 31.  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)
 06/02/2021   06:58:09   (  70.08,  71.83) 06/02/2021   06:57:25  (  70.10,  71.85)    3.14                44
 06/02/2021   07:47:38   ( -70.02,-120.62) 06/02/2021   07:48:07  ( -70.01,-120.68)    2.66                29
 06/04/2021   22:24:59   ( -70.90,  21.29) 06/04/2021   22:23:52  ( -70.94,  18.96)   84.71                67
 06/04/2021   23:14:40   (  70.04,-172.35) 06/04/2021   23:14:21  (  70.05,-172.30)    2.53                19
 06/05/2021   00:04:10   ( -69.93,  -4.87) 06/05/2021   00:05:03  ( -69.95,  -4.83)    3.20                53
 06/07/2021   14:41:42   ( -70.15, 136.05) 06/07/2021   14:40:33  ( -70.16, 135.99)    2.28                69
 06/07/2021   15:31:10   (  69.99, -56.54) 06/07/2021   15:31:16  (  70.00, -56.46)    3.14                 6
 06/07/2021   16:20:43   ( -69.72, 110.72) 06/07/2021   16:21:55  ( -69.74, 111.25)   20.58                72
 06/10/2021   06:58:13   ( -70.10,-108.14) 06/10/2021   06:57:29  ( -70.11,-108.17)    1.09                44
 06/10/2021   07:47:40   (  69.99,  59.35) 06/10/2021   07:48:13  (  70.01,  59.30)    2.40                33
 06/12/2021   22:25:03   (  70.76,-158.93) 06/12/2021   22:23:55  (  70.80,-160.82)   69.48                68
 06/12/2021   23:14:44   ( -70.05,   7.67) 06/12/2021   23:14:25  ( -70.06,   7.67)    0.99                19
 06/13/2021   00:04:11   (  69.94, 175.16) 06/13/2021   00:05:09  (  69.96, 175.13)    2.51                58