Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 11 20.  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)
 11/22/2021   13:52:49   ( -70.18, 148.44) 11/22/2021   13:51:47  ( -70.16, 148.51)    3.27                62
 11/22/2021   14:42:16   (  70.08, -44.07) 11/22/2021   14:42:32  (  70.10, -44.08)    2.36                16
 11/22/2021   15:31:55   ( -69.47, 122.74) 11/22/2021   15:33:04  ( -69.49, 124.14)   54.86                69
 11/25/2021   06:09:18   ( -70.16, -95.71) 11/25/2021   06:08:39  ( -70.19, -95.75)    3.00                39
 11/25/2021   06:58:45   (  70.05,  71.78) 11/25/2021   06:59:23  (  70.07,  71.74)    2.30                38
 11/27/2021   21:36:09   (  70.73,-146.62) 11/27/2021   21:35:00  (  70.82,-148.31)   62.60                69
 11/27/2021   22:25:48   ( -70.14,  20.13) 11/27/2021   22:25:31  ( -70.16,  20.07)    3.29                17
 11/27/2021   23:15:15   (  70.03,-172.38) 11/27/2021   23:16:15  (  70.04,-172.45)    3.14                60
 11/30/2021   13:52:48   (  70.21, -31.52) 11/30/2021   13:51:41  (  70.22, -31.57)    2.43                67
 11/30/2021   14:42:18   ( -70.11, 135.97) 11/30/2021   14:42:22  ( -70.08, 135.96)    3.23                 4
 11/30/2021   15:31:50   (  69.72, -56.93) 11/30/2021   15:33:01  (  69.70, -56.16)   29.76                71
 12/03/2021   06:09:18   (  70.17,  84.30) 12/03/2021   06:08:32  (  70.15,  84.32)    2.56                46
 12/03/2021   06:58:48   ( -70.08,-108.20) 12/03/2021   06:59:14  ( -70.06,-108.23)    2.12                26