Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 11 16.  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)
 11/17/2021   06:09:17   (  70.09,  84.20) 11/17/2021   06:08:44  (  70.10,  84.23)    1.18                33
 11/17/2021   06:58:47   ( -69.98,-108.32) 11/17/2021   06:59:25  ( -69.96,-108.24)    3.65                38
 11/19/2021   21:36:15   ( -70.35,  32.81) 11/19/2021   21:35:02  ( -70.40,  32.21)   23.19                73
 11/19/2021   22:25:45   (  70.08,-159.93) 11/19/2021   22:25:42  (  70.07,-159.96)    1.44                 3
 11/19/2021   23:15:15   ( -69.97,   7.55) 11/19/2021   23:16:24  ( -69.98,   7.49)    2.67                69
 11/22/2021   13:52:46   ( -70.11, 148.36) 11/22/2021   13:51:54  ( -70.11, 148.43)    2.87                52
 11/22/2021   14:42:12   (  70.05, -44.08) 11/22/2021   14:42:39  (  70.04, -44.15)    3.29                27
 11/22/2021   15:31:58   ( -69.07, 122.22) 11/22/2021   15:33:04  ( -69.05, 124.60)   94.59                66
 11/25/2021   05:19:32   (  70.85,  97.70) 11/25/2021   05:18:24  (  70.91,  95.60)   76.84                68
 11/25/2021   06:09:14   ( -70.09, -95.79) 11/25/2021   06:08:52  ( -70.08, -95.76)    1.25                22
 11/25/2021   06:58:41   (  69.97,  71.69) 11/25/2021   06:59:36  (  69.96,  71.73)    1.92                55
 11/27/2021   21:36:12   (  70.16,-147.44) 11/27/2021   21:35:08  (  70.15,-147.42)    1.10                64
 11/27/2021   22:25:42   ( -70.06,  20.05) 11/27/2021   22:25:50  ( -70.06,  20.04)    0.49                 8
 11/27/2021   23:15:17   (  69.50,-173.08) 11/27/2021   23:16:26  (  69.51,-171.84)   48.02                69