Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2021 11 9.  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)
 11/09/2021   06:09:21   ( -70.15, -95.73) 11/09/2021   06:08:33  ( -70.12, -95.77)    3.33                48
 11/09/2021   06:58:49   (  69.99,  71.69) 11/09/2021   06:59:17  (  70.00,  71.72)    1.32                28
 11/11/2021   21:36:09   (  70.76,-146.58) 11/11/2021   21:35:00  (  70.80,-148.41)   67.26                69
 11/11/2021   22:25:49   ( -70.10,  20.08) 11/11/2021   22:25:30  ( -70.08,  20.05)    2.53                19
 11/11/2021   23:15:17   (  69.94,-172.50) 11/11/2021   23:16:14  (  69.96,-172.45)    2.52                57
 11/14/2021   13:52:48   (  70.15, -31.59) 11/14/2021   13:51:46  (  70.13, -31.58)    2.35                62
 11/14/2021   14:42:18   ( -70.05, 135.89) 11/14/2021   14:42:28  ( -70.04, 135.87)    0.71                10
 11/14/2021   15:31:54   (  69.44, -57.30) 11/14/2021   15:33:03  (  69.44, -55.93)   53.39                69
 11/17/2021   06:09:17   (  70.09,  84.20) 11/17/2021   06:08:44  (  70.10,  84.23)    1.94                33
 11/17/2021   06:58:47   ( -69.98,-108.32) 11/17/2021   06:59:26  ( -70.01,-108.32)    3.05                39
 11/19/2021   21:36:15   ( -70.35,  32.81) 11/19/2021   21:35:02  ( -70.40,  32.22)   23.06                73
 11/19/2021   22:25:45   (  70.07,-159.94) 11/19/2021   22:25:42  (  70.07,-159.97)    1.03                 3
 11/19/2021   23:15:15   ( -69.97,   7.55) 11/19/2021   23:16:24  ( -69.98,   7.49)    2.56                69
 11/22/2021   13:52:45   ( -70.16, 148.43) 11/22/2021   13:51:55  ( -70.16, 148.35)    3.00                50
 11/22/2021   14:42:12   (  70.04, -44.10) 11/22/2021   14:42:39  (  70.05, -44.16)    2.78                27