Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2019 5 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)
 05/30/2019   22:25:09   ( -70.15,  20.18) 05/30/2019   22:23:58  ( -70.16,  20.18)    0.94                71
 05/30/2019   23:14:36   (  70.05,-172.33) 05/30/2019   23:14:42  (  70.05,-172.34)    0.56                 6
 05/31/2019   00:04:09   ( -69.78,  -5.07) 05/31/2019   00:05:21  ( -69.80,  -4.65)   16.59                72
 06/02/2019   14:41:40   ( -70.13, 136.02) 06/02/2019   14:40:54  ( -70.14, 135.98)    1.99                46
 06/02/2019   15:31:07   (  70.01, -56.50) 06/02/2019   15:31:38  (  70.03, -56.54)    2.15                31
 06/05/2019   06:08:29   (  70.85,  85.34) 06/05/2019   06:07:21  (  70.90,  83.22)   77.43                68
 06/05/2019   06:58:11   ( -70.09,-108.15) 06/05/2019   06:57:49  ( -70.06,-108.14)    3.34                22
 06/05/2019   07:47:38   (  69.98,  59.33) 06/05/2019   07:48:33  (  69.95,  59.34)    2.91                55
 06/07/2019   22:25:11   (  70.15,-159.82) 06/07/2019   22:24:02  (  70.14,-159.80)    1.65                69
 06/07/2019   23:14:41   ( -70.06,   7.67) 06/07/2019   23:14:44  ( -70.04,   7.67)    1.72                 3
 06/08/2019   00:04:12   (  69.72, 174.85) 06/08/2019   00:05:23  (  69.67, 175.53)   26.95                71
 06/10/2019   14:41:42   (  70.11, -44.00) 06/10/2019   14:40:58  (  70.12, -44.01)    0.98                44
 06/10/2019   15:31:12   ( -70.02, 123.50) 06/10/2019   15:31:40  ( -70.02, 123.46)    1.39                28