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: 11/8/2025
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 11/09/2025 12:13:46 70.41, -6.52 87.32 11/09/2025 12:12:47 70.41, -6.52 87.32 0.23 59
2 11/09/2025 13:03:16 -70.30, 160.95 92.79 11/09/2025 13:03:28 -70.28, 161.02 92.81 3.43 12
3 11/09/2025 13:52:54 69.59, -32.40 86.51 11/09/2025 13:54:02 69.62, -30.68 86.56 66.62 68
4 11/12/2025 04:30:14 70.38, 109.32 88.03 11/12/2025 04:29:43 70.39, 109.29 88.04 1.86 31
5 11/12/2025 05:19:44 -70.27, -83.20 92.08 11/12/2025 05:20:24 -70.26, -83.17 92.09 1.71 40
6 11/14/2025 19:57:11 -70.64, 57.96 91.02 11/14/2025 19:55:59 -70.71, 57.25 90.95 27.45 72
7 11/14/2025 20:46:42 70.31,-134.88 88.66 11/14/2025 20:46:38 70.33,-134.83 88.68 2.87 4
8 11/14/2025 21:36:10 -70.26, 32.67 91.39 11/14/2025 21:37:19 -70.25, 32.62 91.40 2.26 69
9 11/17/2025 12:13:40 -70.43, 173.54 90.57 11/17/2025 12:12:48 -70.40, 173.53 90.60 3.30 52
10 11/17/2025 13:03:07 70.32, -18.98 89.33 11/17/2025 13:03:33 70.33, -19.05 89.35 2.94 26
11 11/17/2025 13:52:52 -69.39, 147.36 91.60 11/17/2025 13:53:58 -69.35, 149.74 91.62 93.38 66
12 11/20/2025 03:40:23 71.22, 123.01 90.85 11/20/2025 03:39:16 71.23, 120.62 90.86 85.72 67
13 11/20/2025 04:30:07 -70.35, -70.68 90.02 11/20/2025 04:29:43 -70.36, -70.62 90.01 2.48 24
14 11/20/2025 05:19:33 70.29, 96.87 89.93 11/20/2025 05:20:28 70.29, 96.80 89.93 2.96 55

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 11/8/2025
SNOs_Map_LANDSAT-8_NPP_20251109.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 11/08/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP