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: 11/1/2025
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 11/04/2025 04:30:18 -70.37, -70.71 94.31 11/04/2025 04:29:37 -70.39, -70.71 94.28 2.55 41
2 11/04/2025 05:19:45 70.26, 96.78 85.60 11/04/2025 05:20:21 70.28, 96.78 85.62 1.55 36
3 11/06/2025 19:57:10 70.85,-121.73 86.99 11/06/2025 19:56:00 70.91,-123.11 87.05 50.56 70
4 11/06/2025 20:46:47 -70.36, 45.16 93.50 11/06/2025 20:46:33 -70.35, 45.13 93.51 1.82 14
5 11/06/2025 21:36:14 70.25,-147.35 86.40 11/06/2025 21:37:17 70.23,-147.38 86.39 2.39 63
6 11/09/2025 12:13:46 70.43, -6.48 87.34 11/09/2025 12:12:47 70.41, -6.51 87.32 2.70 59
7 11/09/2025 13:03:16 -70.33, 161.00 92.76 11/09/2025 13:03:29 -70.32, 160.95 92.77 1.90 13
8 11/09/2025 13:52:54 69.61, -32.37 86.53 11/09/2025 13:54:02 69.62, -30.68 86.55 65.46 68
9 11/12/2025 04:30:15 70.37, 109.31 88.01 11/12/2025 04:29:43 70.39, 109.31 88.03 2.00 32
10 11/12/2025 05:19:45 -70.27, -83.21 92.09 11/12/2025 05:20:24 -70.24, -83.15 92.11 3.37 39
11 11/14/2025 19:57:11 -70.67, 57.99 91.00 11/14/2025 19:55:59 -70.75, 57.19 90.91 30.87 72
12 11/14/2025 20:46:42 70.33,-134.86 88.68 11/14/2025 20:46:37 70.32,-134.81 88.67 2.26 5
13 11/14/2025 21:36:12 -70.23, 32.63 91.42 11/14/2025 21:37:19 -70.23, 32.65 91.42 0.82 67

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 11/1/2025
SNOs_Map_LANDSAT-8_NPP_20251102.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 11/01/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP