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: 6/1/2025
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 06/01/2025 04:52:55 -70.81, -77.72 131.33 06/01/2025 04:54:04 -70.70, -76.33 131.48 52.61 69
2 06/01/2025 05:43:29 70.20, 90.57 48.03 06/01/2025 05:43:39 70.17, 90.53 48.00 3.33 10
3 06/01/2025 06:34:11 -70.08,-101.93 132.10 06/01/2025 06:33:08 -70.10,-101.93 132.07 2.59 63
4 06/03/2025 21:09:41 -70.28, 38.91 132.22 06/03/2025 21:10:39 -70.27, 38.93 132.23 0.94 58
5 06/03/2025 22:00:25 70.19,-153.64 47.69 06/03/2025 22:00:06 70.18,-153.57 47.68 3.19 19
6 06/03/2025 22:50:55 -69.44, 14.79 133.09 06/03/2025 22:49:46 -69.51, 13.13 132.98 65.21 69
7 06/06/2025 13:26:37 -70.23, 154.76 132.56 06/06/2025 13:27:07 -70.25, 154.79 132.54 3.32 30
8 06/06/2025 14:17:21 70.14, -37.79 47.35 06/06/2025 14:16:34 70.15, -37.72 47.37 3.22 47
9 06/09/2025 04:52:53 70.41, 102.94 47.40 06/09/2025 04:54:04 70.37, 103.22 47.34 11.24 71
10 06/09/2025 05:43:33 -70.18, -89.39 132.85 06/09/2025 05:43:35 -70.20, -89.39 132.82 2.64 2
11 06/09/2025 06:34:16 70.04, 78.13 47.01 06/09/2025 06:33:03 70.04, 78.02 47.02 4.21 73
12 06/11/2025 21:09:47 70.26,-141.07 47.06 06/11/2025 21:10:32 70.28,-141.01 47.07 3.05 45
13 06/11/2025 22:00:29 -70.14, 26.44 133.08 06/11/2025 22:00:03 -70.12, 26.38 133.09 3.03 26
14 06/14/2025 12:36:12 -71.05, 166.12 132.26 06/14/2025 12:37:20 -70.93, 168.22 132.44 77.12 68
15 06/14/2025 13:26:42 70.23, -25.24 46.88 06/14/2025 13:26:58 70.22, -25.20 46.87 1.86 16
16 06/14/2025 14:17:24 -70.11, 142.26 133.25 06/14/2025 14:16:28 -70.12, 142.28 133.24 1.10 56

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/1/2025
SNOs_Map_NPP_LANDSAT-9_20250601.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 06/01/2025 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9