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: 11/10/2025
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 11/12/2025 04:30:14 70.36, 109.30 88.01 11/12/2025 04:29:42 70.36, 109.35 88.01 1.80 32
2 11/12/2025 05:19:44 -70.25, -83.23 92.10 11/12/2025 05:20:24 -70.28, -83.21 92.07 3.42 40
3 11/14/2025 19:57:11 -70.62, 57.93 91.04 11/14/2025 19:55:58 -70.68, 57.30 90.98 24.35 73
4 11/14/2025 20:46:41 70.36,-134.82 88.70 11/14/2025 20:46:38 70.35,-134.86 88.70 1.46 3
5 11/14/2025 21:36:11 -70.24, 32.65 91.40 11/14/2025 21:37:19 -70.22, 32.67 91.43 3.04 68
6 11/17/2025 12:13:41 -70.42, 173.52 90.58 11/17/2025 12:12:49 -70.42, 173.50 90.57 0.96 52
7 11/17/2025 13:03:08 70.31, -18.99 89.33 11/17/2025 13:03:33 70.30, -19.00 89.31 1.62 25
8 11/17/2025 13:52:53 -69.38, 147.34 91.61 11/17/2025 13:53:59 -69.37, 149.71 91.60 92.65 66
9 11/20/2025 03:40:23 71.22, 123.01 90.85 11/20/2025 03:39:16 71.25, 120.59 90.88 86.72 67
10 11/20/2025 04:30:06 -70.40, -70.61 89.97 11/20/2025 04:29:43 -70.38, -70.66 89.99 2.89 23
11 11/20/2025 05:19:34 70.24, 96.79 89.87 11/20/2025 05:20:27 70.26, 96.85 89.90 3.19 53
12 11/22/2025 19:57:02 70.46,-122.27 90.66 11/22/2025 19:55:56 70.43,-122.27 90.64 2.70 66
13 11/22/2025 20:46:32 -70.35, 45.21 89.44 11/22/2025 20:46:38 -70.35, 45.17 89.44 1.30 6
14 11/22/2025 21:36:05 69.91,-147.78 90.12 11/22/2025 21:37:15 69.86,-146.76 90.08 39.68 70

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 11/10/2025
SNOs_Map_LANDSAT-8_NPP_20251111.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 11/10/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP