Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 5 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)
 05/14/2021   14:41:29   (  70.13, -43.97) 05/14/2021   14:40:17  (  70.13, -43.91)    2.22                72
 05/14/2021   15:30:59   ( -70.02, 123.51) 05/14/2021   15:30:59  ( -70.03, 123.55)    2.41                 0
 05/14/2021   16:20:28   (  69.75, -69.22) 05/14/2021   16:21:39  (  69.76, -68.73)   19.01                71
 05/17/2021   06:57:59   (  70.12,  71.90) 05/17/2021   06:57:13  (  70.11,  71.88)    1.26                46
 05/17/2021   07:47:29   ( -70.01,-120.62) 05/17/2021   07:47:55  ( -70.01,-120.65)    1.17                26
 05/19/2021   22:24:49   ( -70.98,  21.41) 05/19/2021   22:23:42  ( -71.04,  18.84)   93.23                67
 05/19/2021   23:14:31   (  70.05,-172.32) 05/19/2021   23:14:09  (  70.04,-172.25)    3.17                22
 05/20/2021   00:04:01   ( -69.95,  -4.84) 05/20/2021   00:04:51  ( -69.94,  -4.78)    2.46                50
 05/22/2021   14:41:35   ( -70.14, 136.04) 05/22/2021   14:40:22  ( -70.13, 136.07)    2.17                73
 05/22/2021   15:31:02   (  70.03, -56.47) 05/22/2021   15:31:06  (  70.02, -56.46)    1.08                 4
 05/22/2021   16:20:34   ( -69.82, 110.87) 05/22/2021   16:21:46  ( -69.81, 111.17)   11.80                72
 05/25/2021   06:58:06   ( -70.12,-108.11) 05/25/2021   06:57:19  ( -70.11,-108.14)    1.81                47
 05/25/2021   07:47:33   (  70.01,  59.37) 05/25/2021   07:48:03  (  70.01,  59.32)    1.93                30