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: 11/2/2025
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 -70.40, -70.66 94.27 11/04/2025 04:29:38 -70.40, -70.74 94.27 3.00 40
2 11/04/2025 05:19:46 70.25, 96.76 85.59 11/04/2025 05:20:21 70.24, 96.83 85.58 2.98 35
3 11/06/2025 19:57:11 70.84,-121.76 86.98 11/06/2025 19:56:01 70.93,-123.13 87.06 51.06 70
4 11/06/2025 20:46:47 -70.35, 45.14 93.52 11/06/2025 20:46:33 -70.36, 45.11 93.50 2.20 14
5 11/06/2025 21:36:14 70.24,-147.37 86.39 11/06/2025 21:37:17 70.25,-147.40 86.40 1.58 63
6 11/09/2025 12:13:46 70.42, -6.50 87.33 11/09/2025 12:12:47 70.42, -6.52 87.33 1.11 59
7 11/09/2025 13:03:16 -70.32, 160.98 92.77 11/09/2025 13:03:29 -70.33, 160.94 92.76 1.96 13
8 11/09/2025 13:52:54 69.60, -32.38 86.52 11/09/2025 13:54:02 69.63, -30.69 86.56 65.52 68
9 11/12/2025 04:30:15 70.36, 109.30 88.01 11/12/2025 04:29:43 70.39, 109.30 88.04 2.86 32
10 11/12/2025 05:19:45 -70.26, -83.22 92.09 11/12/2025 05:20:24 -70.25, -83.16 92.10 2.64 39
11 11/14/2025 19:57:12 -70.67, 57.99 90.99 11/14/2025 19:56:00 -70.75, 57.19 90.92 30.77 72
12 11/14/2025 20:46:43 70.33,-134.85 88.68 11/14/2025 20:46:38 70.32,-134.81 88.67 2.67 5
13 11/14/2025 21:36:13 -70.23, 32.63 91.42 11/14/2025 21:37:20 -70.23, 32.65 91.42 1.01 67

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 11/2/2025
SNOs_Map_LANDSAT-8_NPP_20251103.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 11/02/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP