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 11/04/2025 04:30:18 -70.36, -70.72 94.31 11/04/2025 04:29:37 -70.39, -70.72 94.28 3.69 41
2 11/04/2025 05:19:45 70.26, 96.78 85.60 11/04/2025 05:20:21 70.28, 96.77 85.62 1.98 36
3 11/06/2025 19:57:10 70.85,-121.74 86.99 11/06/2025 19:56:00 70.91,-123.11 87.05 50.42 70
4 11/06/2025 20:46:47 -70.35, 45.15 93.51 11/06/2025 20:46:33 -70.35, 45.12 93.51 1.12 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 2.06 63
6 11/09/2025 12:13:46 70.43, -6.49 87.34 11/09/2025 12:12:47 70.41, -6.51 87.31 2.77 59
7 11/09/2025 13:03:16 -70.32, 160.99 92.77 11/09/2025 13:03:29 -70.32, 160.95 92.77 1.47 13
8 11/09/2025 13:52:54 69.61, -32.37 86.53 11/09/2025 13:54:02 69.62, -30.67 86.55 65.68 68
9 11/12/2025 04:30:15 70.37, 109.31 88.02 11/12/2025 04:29:43 70.38, 109.31 88.03 1.16 32
10 11/12/2025 05:19:45 -70.27, -83.21 92.09 11/12/2025 05:20:25 -70.29, -83.23 92.06 3.10 40
11 11/14/2025 19:57:11 -70.67, 58.00 90.99 11/14/2025 19:55:59 -70.74, 57.20 90.92 30.36 72
12 11/14/2025 20:46:42 70.34,-134.85 88.69 11/14/2025 20:46:38 70.36,-134.88 88.71 2.90 4
13 11/14/2025 21:36:12 -70.24, 32.63 91.41 11/14/2025 21:37:19 -70.22, 32.66 91.42 1.75 67
14 11/17/2025 12:13:43 -70.40, 173.48 90.60 11/17/2025 12:12:49 -70.42, 173.50 90.58 2.57 54
15 11/17/2025 13:03:10 70.28, -19.04 89.29 11/17/2025 13:03:33 70.30, -19.00 89.32 2.71 23

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 11/4/2025
SNOs_Map_LANDSAT-8_NPP_20251104.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