Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 4 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)
 04/10/2023   13:02:32   ( -70.35, 160.98) 04/10/2023   13:01:50  ( -70.36, 161.00)    1.12                42
 04/10/2023   13:51:59   (  70.25, -31.52) 04/10/2023   13:52:34  (  70.23, -31.50)    2.00                35
 04/13/2023   04:29:22   (  70.70, 109.76) 04/13/2023   04:28:11  (  70.76, 108.81)   35.58                71
 04/13/2023   05:18:57   ( -70.31, -83.18) 04/13/2023   05:18:46  ( -70.31, -83.15)    1.59                11
 04/13/2023   06:08:24   (  70.21,  84.31) 04/13/2023   06:09:30  (  70.18,  84.35)    2.99                66
 04/15/2023   20:45:51   (  70.41,-134.78) 04/15/2023   20:45:01  (  70.41,-134.85)    2.79                50
 04/15/2023   21:35:21   ( -70.30,  32.69) 04/15/2023   21:35:43  ( -70.32,  32.61)    3.48                22
 04/18/2023   12:12:35   ( -71.19, 174.66) 04/18/2023   12:11:28  ( -71.27, 172.18)   89.17                67
 04/18/2023   13:02:15   (  70.37, -18.95) 04/18/2023   13:01:57  (  70.38, -19.03)    3.10                18
 04/18/2023   13:51:45   ( -70.26, 148.53) 04/18/2023   13:52:38  ( -70.23, 148.52)    3.08                53
 04/21/2023   04:29:11   ( -70.41, -70.63) 04/21/2023   04:28:07  ( -70.41, -70.62)    0.69                64
 04/21/2023   05:18:38   (  70.29,  96.84) 04/21/2023   05:18:51  (  70.30,  96.87)    1.37                13
 04/21/2023   06:08:15   ( -69.80, -96.22) 04/21/2023   06:09:25  ( -69.79, -95.02)   45.81                70