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: 10/29/2025
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 11/01/2025 12:13:49 -70.41, 173.47 95.10 11/01/2025 12:12:42 -70.43, 173.45 95.08 2.89 67
2 11/01/2025 13:03:16 70.30, -19.04 84.81 11/01/2025 13:03:26 70.32, -19.07 84.83 2.47 10
3 11/01/2025 13:52:51 -69.92, 148.05 95.57 11/01/2025 13:54:02 -69.91, 148.88 95.58 31.92 71
4 11/04/2025 04:30:18 -70.37, -70.70 94.30 11/04/2025 04:29:37 -70.38, -70.70 94.29 0.96 41
5 11/04/2025 05:19:45 70.27, 96.79 85.61 11/04/2025 05:20:21 70.27, 96.78 85.62 0.70 36
6 11/06/2025 19:57:10 70.85,-121.73 86.99 11/06/2025 19:56:00 70.91,-123.10 87.04 50.38 70
7 11/06/2025 20:46:47 -70.37, 45.17 93.50 11/06/2025 20:46:33 -70.34, 45.14 93.52 2.86 14
8 11/06/2025 21:36:14 70.25,-147.35 86.40 11/06/2025 21:37:17 70.23,-147.38 86.38 2.89 63
9 11/09/2025 12:13:46 70.43, -6.48 87.34 11/09/2025 12:12:47 70.41, -6.50 87.31 2.78 59
10 11/09/2025 13:03:16 -70.33, 161.00 92.76 11/09/2025 13:03:29 -70.31, 160.96 92.78 2.28 13
11 11/09/2025 13:52:54 69.61, -32.37 86.53 11/09/2025 13:54:02 69.62, -30.67 86.55 65.71 68
12 11/12/2025 04:30:15 70.36, 109.30 88.01 11/12/2025 04:29:43 70.38, 109.31 88.03 2.51 32
13 11/12/2025 05:19:45 -70.26, -83.21 92.09 11/12/2025 05:20:25 -70.29, -83.22 92.06 3.21 40

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 10/29/2025
SNOs_Map_LANDSAT-8_NPP_20251030.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 10/29/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP