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: 11/29/2025
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 11/30/2025 19:57:17 -70.44, 57.63 87.89 11/30/2025 19:56:21 -70.43, 57.65 87.90 0.84 56
2 11/30/2025 20:46:44 70.34,-134.87 92.01 11/30/2025 20:47:06 70.34,-134.89 92.02 0.64 22
3 11/30/2025 21:36:27 -69.51, 31.60 88.81 11/30/2025 21:37:34 -69.54, 33.65 88.79 79.54 67
4 12/03/2025 11:24:02 71.23, 7.11 93.30 12/03/2025 11:22:55 71.25, 4.72 93.33 85.28 67
5 12/03/2025 12:13:45 -70.41, 173.48 87.53 12/03/2025 12:13:22 -70.40, 173.46 87.53 1.19 23
6 12/03/2025 13:03:12 70.31, -19.03 92.38 12/03/2025 13:04:07 70.31, -19.08 92.38 2.04 55
7 12/06/2025 03:40:43 70.47, 121.82 92.88 12/06/2025 03:39:41 70.45, 121.83 92.86 2.46 62
8 12/06/2025 04:30:13 -70.36, -70.71 87.23 12/06/2025 04:30:23 -70.38, -70.74 87.21 2.54 10
9 12/06/2025 05:19:49 69.76, 96.08 92.17 12/06/2025 05:20:58 69.76, 97.52 92.17 55.28 69
10 12/08/2025 19:57:10 70.45,-122.32 93.15 12/08/2025 19:56:42 70.43,-122.39 93.14 2.89 28
11 12/08/2025 20:46:40 -70.34, 45.15 86.96 12/08/2025 20:47:23 -70.31, 45.12 86.99 3.40 43
12 12/11/2025 11:24:10 -70.46,-174.06 86.61 12/11/2025 11:22:56 -70.46,-173.98 86.60 2.91 74
13 12/11/2025 12:13:36 70.40, -6.50 93.34 12/11/2025 12:13:41 70.38, -6.54 93.32 3.12 5
14 12/11/2025 13:03:08 -70.19, 160.82 86.88 12/11/2025 13:04:21 -70.20, 161.06 86.87 9.16 73

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 11/29/2025
SNOs_Map_LANDSAT-8_NPP_20251129.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 11/29/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP