Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between LANDSAT-8 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/9/2025
Index Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 04/10/2025 06:08:31 -70.23, -95.69 117.89 04/10/2025 06:07:45 -70.21, -95.65 117.91 2.82 46
2 04/10/2025 06:57:58 70.13, 71.81 62.00 04/10/2025 06:58:30 70.11, 71.80 61.99 1.49 32
3 04/12/2025 21:35:21 70.60,-146.89 61.50 04/12/2025 21:34:10 70.68,-147.97 61.62 40.52 71
4 04/12/2025 22:24:56 -70.21, 20.17 118.89 04/12/2025 22:24:44 -70.18, 20.14 118.92 3.13 12
5 04/12/2025 23:14:24 70.05,-172.41 60.94 04/12/2025 23:15:28 70.04,-172.34 60.93 2.86 64
6 04/15/2025 13:51:52 70.26, -31.50 60.20 04/15/2025 13:51:02 70.25, -31.53 60.21 1.23 50
7 04/15/2025 14:41:22 -70.14, 135.97 119.92 04/15/2025 14:41:43 -70.12, 135.99 119.95 2.64 21
8 04/18/2025 05:18:38 -70.96, -82.20 120.05 04/18/2025 05:17:30 -71.02, -84.32 119.93 77.21 68
9 04/18/2025 06:08:17 70.20, 84.31 59.20 04/18/2025 06:08:01 70.21, 84.29 59.22 1.44 16
10 04/18/2025 06:57:47 -70.09,-108.22 120.92 04/18/2025 06:58:42 -70.07,-108.18 120.94 2.15 55
11 04/20/2025 21:35:14 -70.26, 32.65 121.66 04/20/2025 21:34:15 -70.25, 32.69 121.66 1.81 59
12 04/20/2025 22:24:41 70.15,-159.87 58.23 04/20/2025 22:24:59 70.13,-159.82 58.21 2.69 18

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/9/2025
SNOs_Map_LANDSAT-8_NPP_20250409.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/09/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP