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: 3/2/2025
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 03/03/2025 22:25:17 70.12,-159.94 76.59 03/03/2025 22:24:42 70.14,-159.87 76.62 3.52 35
2 03/03/2025 23:14:46 -70.07, 7.62 103.48 03/03/2025 23:15:24 -70.07, 7.56 103.48 2.21 38
3 03/06/2025 13:52:10 -70.72, 149.17 103.87 03/06/2025 13:51:00 -70.78, 147.59 103.74 58.44 70
4 03/06/2025 14:41:46 70.12, -44.07 75.55 03/06/2025 14:41:34 70.13, -44.07 75.57 1.88 12
5 03/06/2025 15:31:16 -70.01, 123.42 104.57 03/06/2025 15:32:15 -70.01, 123.44 104.59 1.29 59
6 03/09/2025 06:08:46 -70.23, -95.67 105.39 03/09/2025 06:07:40 -70.21, -95.71 105.39 2.62 66
7 03/09/2025 06:58:14 70.06, 71.73 74.45 03/09/2025 06:58:24 70.09, 71.79 74.47 3.49 10
8 03/09/2025 07:47:49 -69.68,-121.16 105.93 03/09/2025 07:49:00 -69.69,-120.30 105.96 33.20 71
9 03/11/2025 22:25:14 -70.19, 20.15 106.48 03/11/2025 22:24:31 -70.18, 20.14 106.48 1.02 43
10 03/11/2025 23:14:41 70.07,-172.37 73.40 03/11/2025 23:15:15 70.05,-172.36 73.38 1.74 34
11 03/14/2025 13:52:01 70.79, -30.70 73.05 03/14/2025 13:50:52 70.87, -32.50 73.20 66.17 69
12 03/14/2025 14:41:41 -70.15, 135.98 107.58 03/14/2025 14:41:22 -70.16, 135.96 107.57 1.65 19
13 03/14/2025 15:31:08 70.03, -56.55 72.29 03/14/2025 15:32:06 70.04, -56.54 72.30 1.12 58

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 3/2/2025
SNOs_Map_LANDSAT-8_NPP_20250302.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 03/02/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP