Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2025 4 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)
 04/20/2025   21:35:25   ( -70.27,  32.61) 04/20/2025   21:34:16  ( -70.29,  32.62)    2.57                69
 04/20/2025   22:24:51   (  70.17,-159.88) 04/20/2025   22:24:59  (  70.16,-159.87)    1.34                 8
 04/20/2025   23:14:25   ( -69.83,   7.27) 04/20/2025   23:15:36  ( -69.82,   7.97)   26.71                71
 04/23/2025   13:51:50   ( -70.23, 148.44) 04/23/2025   13:51:13  ( -70.21, 148.51)    3.11                37
 04/23/2025   14:41:17   (  70.13, -44.06) 04/23/2025   14:41:58  (  70.14, -44.07)    1.27                41
 04/26/2025   05:18:44   (  70.37,  96.91) 04/26/2025   05:17:32  (  70.39,  96.67)    9.12                72
 04/26/2025   06:08:15   ( -70.20, -95.70) 04/26/2025   06:08:12  ( -70.19, -95.70)    1.52                 3
 04/26/2025   06:57:43   (  70.04,  71.72) 04/26/2025   06:58:55  (  70.02,  71.87)    6.54                72
 04/28/2025   21:35:10   (  70.25,-147.37) 04/28/2025   21:34:29  (  70.28,-147.40)    3.03                41
 04/28/2025   22:24:40   ( -70.14,  20.11) 04/28/2025   22:25:10  ( -70.13,  20.15)    2.31                30
 05/01/2025   13:02:01   ( -70.65, 161.46) 05/01/2025   13:00:50  ( -70.71, 160.37)   40.62                71
 05/01/2025   13:51:34   (  70.21, -31.54) 05/01/2025   13:51:26  (  70.18, -31.48)    3.34                 8
 05/01/2025   14:41:03   ( -70.09, 135.94) 05/01/2025   14:42:07  ( -70.08, 136.00)    2.90                64