Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2023 8 21.  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)
 08/21/2023   21:35:53   ( -70.45,  32.97) 08/21/2023   21:34:40  ( -70.49,  32.43)   20.39                73
 08/21/2023   22:25:23   (  70.19,-159.77) 08/21/2023   22:25:20  (  70.16,-159.75)    2.96                 3
 08/21/2023   23:14:53   ( -70.07,   7.70) 08/21/2023   23:16:02  ( -70.07,   7.70)    0.21                69
 08/24/2023   13:52:27   ( -70.23, 148.52) 08/24/2023   13:51:29  ( -70.23, 148.60)    3.12                58
 08/24/2023   14:41:54   (  70.12, -43.98) 08/24/2023   14:42:13  (  70.12, -43.92)    2.57                19
 08/24/2023   15:31:35   ( -69.41, 122.66) 08/24/2023   15:32:43  ( -69.40, 124.47)   70.66                68
 08/27/2023   06:08:56   ( -70.20, -95.64) 08/27/2023   06:08:21  ( -70.20, -95.57)    2.55                35
 08/27/2023   06:58:23   (  70.09,  71.85) 08/27/2023   06:59:05  (  70.09,  71.90)    2.03                42
 08/29/2023   21:35:50   (  70.57,-146.84) 08/29/2023   21:34:39  (  70.64,-147.81)   36.81                71
 08/29/2023   22:25:25   ( -70.19,  20.24) 08/29/2023   22:25:14  ( -70.17,  20.24)    2.58                11
 08/29/2023   23:14:52   (  70.08,-172.27) 08/29/2023   23:15:58  (  70.07,-172.29)    2.00                66
 09/01/2023   13:52:24   (  70.27, -31.40) 09/01/2023   13:51:25  (  70.25, -31.43)    2.25                59
 09/01/2023   14:41:54   ( -70.17, 136.09) 09/01/2023   14:42:07  ( -70.15, 136.04)    2.51                13
 09/01/2023   15:31:32   (  69.45, -57.27) 09/01/2023   15:32:40  (  69.47, -55.63)   63.77                68