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: 2/19/2025
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 02/21/2025 06:08:53 -70.18, -95.73 99.34 02/21/2025 06:07:56 -70.20, -95.79 99.30 3.16 57
2 02/21/2025 06:58:20 70.08, 71.76 80.56 02/21/2025 06:58:40 70.09, 71.69 80.57 2.83 20
3 02/21/2025 07:48:01 -69.36,-121.59 100.13 02/21/2025 07:49:10 -69.37,-119.92 100.21 65.34 69
4 02/23/2025 22:25:20 -70.15, 20.11 100.35 02/23/2025 22:24:48 -70.13, 20.11 100.36 2.74 32
5 02/23/2025 23:14:47 70.04,-172.40 79.54 02/23/2025 23:15:32 70.01,-172.41 79.51 3.26 45
6 02/26/2025 13:52:15 70.30, -31.42 78.81 02/26/2025 13:51:02 70.37, -31.80 78.90 15.97 73
7 02/26/2025 14:41:46 -70.14, 135.98 101.36 02/26/2025 14:41:41 -70.12, 135.90 101.37 3.20 5
8 02/26/2025 15:31:13 70.02, -56.54 78.52 02/26/2025 15:32:25 70.01, -56.61 78.50 3.20 72
9 03/01/2025 06:08:41 70.18, 84.30 77.68 03/01/2025 06:07:50 70.16, 84.31 77.67 2.02 51
10 03/01/2025 06:58:11 -70.07,-108.22 102.44 03/01/2025 06:58:32 -70.07,-108.24 102.44 0.63 21
11 03/01/2025 07:47:54 69.07, 58.07 76.61 03/01/2025 07:48:59 69.05, 60.56 76.48 98.78 65
12 03/03/2025 22:25:06 70.12,-159.88 76.59 03/03/2025 22:24:42 70.12,-159.84 76.60 1.51 24
13 03/03/2025 23:14:36 -70.02, 7.60 103.52 03/03/2025 23:15:24 -70.04, 7.61 103.51 1.82 48

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 2/19/2025
SNOs_Map_LANDSAT-8_NPP_20250219.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 02/19/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP