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: 5/5/2025
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 05/06/2025 21:35:21 -70.28, 32.61 126.60 05/06/2025 21:34:38 -70.28, 32.59 126.60 0.91 43
2 05/06/2025 22:24:48 70.18,-159.89 53.29 05/06/2025 22:25:22 70.17,-159.93 53.28 2.18 34
3 05/09/2025 13:02:11 70.75, -18.46 53.14 05/09/2025 13:01:01 70.79, -19.78 53.22 48.64 70
4 05/09/2025 13:51:48 -70.25, 148.44 127.36 05/09/2025 13:51:35 -70.26, 148.38 127.34 2.40 13
5 05/09/2025 14:41:16 70.09, -44.14 52.48 05/09/2025 14:42:18 70.11, -44.07 52.49 3.33 62
6 05/12/2025 05:18:46 70.30, 96.75 52.01 05/12/2025 05:17:50 70.31, 96.75 52.04 1.86 56
7 05/12/2025 06:08:16 -70.19, -95.77 128.11 05/12/2025 06:08:32 -70.20, -95.76 128.09 1.66 16
8 05/12/2025 06:57:56 69.36, 70.74 51.08 05/12/2025 06:59:03 69.41, 72.73 51.10 78.13 67
9 05/14/2025 21:35:13 70.25,-147.42 51.32 05/14/2025 21:34:47 70.27,-147.41 51.34 1.75 26
10 05/14/2025 22:24:43 -70.15, 20.05 128.80 05/14/2025 22:25:29 -70.15, 20.09 128.80 1.35 46
11 05/17/2025 13:02:12 -70.35, 160.95 129.20 05/17/2025 13:01:01 -70.37, 160.89 129.17 3.44 71
12 05/17/2025 13:51:39 70.23, -31.56 50.69 05/17/2025 13:51:44 70.23, -31.59 50.69 0.88 5
13 05/17/2025 14:41:11 -70.02, 135.76 129.53 05/17/2025 14:42:24 -70.00, 136.08 129.56 12.23 73

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 5/5/2025
SNOs_Map_LANDSAT-8_NPP_20250505.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 05/05/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP