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: 2/20/2025
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 2.82 57
2 02/21/2025 06:58:20 70.08, 71.76 80.56 02/21/2025 06:58:40 70.08, 71.70 80.57 2.48 20
3 02/21/2025 07:48:01 -69.36,-121.59 100.13 02/21/2025 07:49:10 -69.36,-119.92 100.21 65.50 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 2.11 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 2.86 45
6 02/26/2025 13:52:15 70.29, -31.44 78.80 02/26/2025 13:51:02 70.37, -31.80 78.91 16.53 73
7 02/26/2025 14:41:46 -70.12, 135.96 101.38 02/26/2025 14:41:41 -70.13, 135.90 101.37 2.46 5
8 02/26/2025 15:31:13 70.01, -56.55 78.51 02/26/2025 15:32:25 70.01, -56.62 78.50 2.39 72
9 03/01/2025 06:08:41 70.16, 84.27 77.66 03/01/2025 06:07:50 70.17, 84.30 77.68 1.60 51
10 03/01/2025 06:58:11 -70.05,-108.25 102.46 03/01/2025 06:58:32 -70.08,-108.25 102.43 3.41 21
11 03/01/2025 07:47:54 69.05, 58.05 76.59 03/01/2025 07:48:59 69.06, 60.54 76.49 99.17 65
12 03/03/2025 22:25:05 70.15,-159.84 76.62 03/03/2025 22:24:42 70.14,-159.87 76.62 1.43 23
13 03/03/2025 23:14:35 -70.05, 7.64 103.50 03/03/2025 23:15:24 -70.06, 7.58 103.49 2.58 49

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 2/20/2025
SNOs_Map_LANDSAT-8_NPP_20250220.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 02/20/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP