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: 1/21/2025
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 01/21/2025 14:16:27 -70.11, 142.16 90.12 01/21/2025 14:17:25 -70.12, 142.15 90.12 1.40 58
2 01/21/2025 15:07:11 70.02, -50.38 89.78 01/21/2025 15:06:52 70.02, -50.35 89.78 1.11 19
3 01/21/2025 15:57:41 -69.27, 118.03 91.02 01/21/2025 15:56:32 -69.36, 116.37 90.86 65.77 69
4 01/24/2025 06:33:22 -70.10,-102.05 90.75 01/24/2025 06:33:52 -70.12,-101.98 90.75 3.17 30
5 01/24/2025 07:24:05 69.96, 65.48 89.09 01/24/2025 07:23:20 69.96, 65.44 89.10 1.75 45
6 01/26/2025 21:59:37 70.28,-153.86 88.78 01/26/2025 22:00:49 70.22,-153.58 88.70 12.39 72
7 01/26/2025 22:50:17 -70.05, 13.80 91.47 01/26/2025 22:50:20 -70.05, 13.82 91.47 0.94 3
8 01/26/2025 23:41:00 69.91,-178.67 88.38 01/26/2025 23:39:47 69.94,-178.69 88.42 3.71 73
9 01/29/2025 14:16:29 70.09, -37.79 87.88 01/29/2025 14:17:17 70.10, -37.86 87.88 2.87 48
10 01/29/2025 15:07:12 -70.02, 129.62 92.21 01/29/2025 15:06:47 -69.99, 129.63 92.23 3.25 25
11 02/01/2025 05:42:56 -70.99, -90.78 91.90 02/01/2025 05:44:03 -70.86, -88.48 92.14 85.03 67
12 02/01/2025 06:33:24 70.07, 78.01 87.11 02/01/2025 06:33:42 70.09, 78.02 87.13 2.27 18
13 02/01/2025 07:24:06 -69.95,-114.49 93.03 02/01/2025 07:23:13 -69.93,-114.57 93.04 3.69 53
14 02/03/2025 21:59:34 -70.15, 26.35 93.58 02/03/2025 22:00:39 -70.14, 26.36 93.60 0.94 65
15 02/03/2025 22:50:17 70.01,-166.13 86.27 02/03/2025 22:50:06 70.02,-166.17 86.29 2.01 11
16 02/03/2025 23:40:53 -69.57, 1.84 94.20 02/03/2025 23:39:41 -69.64, 0.94 94.09 35.63 72

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/21/2025
SNOs_Map_NPP_LANDSAT-9_20250121.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 01/21/2025 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9