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: 11/4/2025
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 11/06/2025 19:57:11 70.83,-121.77 86.97 11/06/2025 19:56:01 70.93,-123.14 87.06 51.32 70
2 11/06/2025 20:46:48 -70.34, 45.13 93.53 11/06/2025 20:46:33 -70.32, 45.18 93.54 2.73 15
3 11/06/2025 21:36:15 70.23,-147.38 86.38 11/06/2025 21:37:18 70.25,-147.41 86.41 2.60 63
4 11/09/2025 12:13:46 70.42, -6.50 87.33 11/09/2025 12:12:47 70.42, -6.53 87.33 1.26 59
5 11/09/2025 13:03:16 -70.31, 160.97 92.78 11/09/2025 13:03:29 -70.34, 160.92 92.75 3.20 13
6 11/09/2025 13:52:54 69.60, -32.38 86.52 11/09/2025 13:54:02 69.64, -30.70 86.57 65.38 68
7 11/12/2025 04:30:15 70.37, 109.31 88.02 11/12/2025 04:29:43 70.40, 109.29 88.04 2.86 32
8 11/12/2025 05:19:45 -70.26, -83.21 92.09 11/12/2025 05:20:24 -70.26, -83.17 92.09 1.89 39
9 11/14/2025 19:57:12 -70.68, 58.01 90.98 11/14/2025 19:56:00 -70.75, 57.18 90.91 31.56 72
10 11/14/2025 20:46:43 70.35,-134.83 88.70 11/14/2025 20:46:39 70.37,-134.90 88.72 3.37 4
11 11/14/2025 21:36:13 -70.25, 32.65 91.40 11/14/2025 21:37:20 -70.23, 32.64 91.41 1.66 67
12 11/17/2025 12:13:44 -70.43, 173.52 90.57 11/17/2025 12:12:50 -70.42, 173.49 90.57 0.94 54
13 11/17/2025 13:03:11 70.31, -19.00 89.32 11/17/2025 13:03:34 70.31, -19.01 89.32 0.63 23

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 11/4/2025
SNOs_Map_LANDSAT-8_NPP_20251105.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 11/04/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP