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: 11/21/2025
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 11/22/2025 19:57:17 70.50,-122.28 90.70 11/22/2025 19:56:04 70.48,-122.39 90.69 4.35 73
2 11/22/2025 20:46:48 -70.33, 45.11 89.46 11/22/2025 20:46:45 -70.36, 45.13 89.43 3.24 3
3 11/22/2025 21:36:16 70.17,-147.47 90.39 11/22/2025 21:37:28 70.16,-147.26 90.38 8.30 72
4 11/25/2025 12:13:47 70.44, -6.48 91.19 11/25/2025 12:13:05 70.43, -6.54 91.17 3.05 42
5 11/25/2025 13:03:18 -70.28, 160.92 88.98 11/25/2025 13:03:46 -70.30, 160.97 88.95 3.31 28
6 11/28/2025 03:40:41 -70.97, -57.45 87.81 11/28/2025 03:39:31 -70.99, -59.01 87.78 56.68 70
7 11/28/2025 04:30:17 70.37, 109.29 91.60 11/28/2025 04:30:06 70.38, 109.30 91.61 0.89 11
8 11/28/2025 05:19:47 -70.26, -83.23 88.50 11/28/2025 05:20:47 -70.25, -83.19 88.51 1.87 60
9 11/30/2025 19:57:19 -70.44, 57.63 87.90 11/30/2025 19:56:22 -70.42, 57.68 87.91 2.47 57
10 11/30/2025 20:46:46 70.32,-134.89 92.00 11/30/2025 20:47:07 70.33,-134.88 92.01 1.02 21
11 11/30/2025 21:36:28 -69.56, 31.67 88.76 11/30/2025 21:37:36 -69.57, 33.59 88.75 74.56 68
12 12/03/2025 11:24:03 71.24, 7.11 93.30 12/03/2025 11:22:56 71.29, 4.66 93.37 87.89 67
13 12/03/2025 12:13:47 -70.37, 173.42 87.57 12/03/2025 12:13:22 -70.38, 173.50 87.56 3.12 25
14 12/03/2025 13:03:13 70.31, -19.02 92.38 12/03/2025 13:04:07 70.29, -19.06 92.37 2.44 54

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 11/21/2025
SNOs_Map_LANDSAT-8_NPP_20251121.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 11/21/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP