Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2020 8 12.  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)
 08/12/2020   22:25:15   (  70.59,-159.14) 08/12/2020   22:24:05  (  70.66,-160.57)   53.54                70
 08/12/2020   23:14:53   ( -70.04,   7.69) 08/12/2020   23:14:37  ( -70.05,   7.71)    1.06                16
 08/13/2020   00:04:20   (  69.94, 175.19) 08/13/2020   00:05:21  (  69.93, 175.20)    1.15                61
 08/15/2020   14:41:53   (  70.12, -43.95) 08/15/2020   14:40:51  (  70.12, -43.94)    0.57                62
 08/15/2020   15:31:23   ( -70.01, 123.53) 08/15/2020   15:31:33  ( -70.03, 123.51)    1.61                10
 08/15/2020   16:20:59   (  69.41, -69.65) 08/15/2020   16:22:08  (  69.43, -68.30)   53.15                69
 08/18/2020   06:58:23   (  70.08,  71.88) 08/18/2020   06:57:47  (  70.10,  71.86)    1.80                36
 08/18/2020   07:47:53   ( -69.98,-120.63) 08/18/2020   07:48:29  ( -70.00,-120.68)    3.20                36
 08/20/2020   22:25:18   ( -70.60,  20.87) 08/20/2020   22:24:08  ( -70.66,  19.43)   53.72                70
 08/20/2020   23:14:53   (  70.04,-172.29) 08/20/2020   23:14:42  (  70.03,-172.27)    1.96                11
 08/21/2020   00:04:23   ( -69.94,  -4.80) 08/21/2020   00:05:24  ( -69.93,  -4.80)    1.67                61
 08/23/2020   14:41:55   ( -70.12, 136.05) 08/23/2020   14:40:53  ( -70.12, 136.05)    0.20                62
 08/23/2020   15:31:22   (  70.00, -56.47) 08/23/2020   15:31:37  (  70.01, -56.48)    1.47                15
 08/23/2020   16:21:01   ( -69.41, 110.35) 08/23/2020   16:22:10  ( -69.44, 111.69)   52.41                69