Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/5/2025
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 06/06/2025 13:26:37 -70.23, 154.75 132.55 06/06/2025 13:27:07 -70.24, 154.77 132.55 1.36 30
2 06/06/2025 14:17:21 70.14, -37.80 47.36 06/06/2025 14:16:34 70.15, -37.72 47.36 2.92 47
3 06/09/2025 04:52:53 70.41, 102.93 47.40 06/09/2025 04:54:04 70.37, 103.22 47.35 11.60 71
4 06/09/2025 05:43:33 -70.19, -89.40 132.84 06/09/2025 05:43:35 -70.20, -89.39 132.82 1.80 2
5 06/09/2025 06:34:16 70.04, 78.13 47.02 06/09/2025 06:33:03 70.05, 78.03 47.03 3.74 73
6 06/11/2025 21:09:47 70.26,-141.07 47.06 06/11/2025 21:10:33 70.25,-141.06 47.04 1.44 46
7 06/11/2025 22:00:29 -70.15, 26.43 133.07 06/11/2025 22:00:03 -70.14, 26.41 133.08 1.21 26
8 06/14/2025 12:36:13 -71.10, 166.03 132.21 06/14/2025 12:37:20 -70.98, 168.28 132.40 82.66 67
9 06/14/2025 13:26:42 70.23, -25.24 46.88 06/14/2025 13:26:59 70.21, -25.22 46.86 1.90 17
10 06/14/2025 14:17:24 -70.11, 142.26 133.25 06/14/2025 14:16:29 -70.10, 142.26 133.25 0.69 55
11 06/17/2025 04:52:54 -70.29, -76.87 133.15 06/17/2025 04:53:59 -70.27, -76.89 133.18 2.61 65
12 06/17/2025 05:43:37 70.15, 90.66 46.71 06/17/2025 05:43:26 70.15, 90.59 46.71 2.53 11
13 06/17/2025 06:34:13 -69.71,-101.37 133.75 06/17/2025 06:33:01 -69.77,-102.31 133.66 36.89 72

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/5/2025
SNOs_Map_NPP_LANDSAT-9_20250605.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/05/2025 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9