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: 1/22/2025
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 01/22/2025 22:25:27 -70.09, 20.05 90.45 01/22/2025 22:24:54 -70.07, 20.12 90.47 3.46 33
2 01/22/2025 23:14:54 69.99,-172.45 89.45 01/22/2025 23:15:38 69.97,-172.43 89.43 1.91 44
3 01/25/2025 13:52:21 70.22, -31.50 89.04 01/25/2025 13:51:08 70.23, -31.68 89.07 6.78 73
4 01/25/2025 14:41:52 -70.05, 135.89 91.13 01/25/2025 14:41:49 -70.07, 135.89 91.11 1.79 3
5 01/25/2025 15:31:19 69.95, -56.62 88.76 01/25/2025 15:32:32 69.92, -56.58 88.73 3.21 73
6 01/28/2025 06:08:47 70.13, 84.26 88.27 01/28/2025 06:08:02 70.14, 84.23 88.29 1.74 45
7 01/28/2025 06:58:17 -70.02,-108.27 91.85 01/28/2025 06:58:44 -70.03,-108.27 91.84 1.24 27
8 01/30/2025 21:35:34 -70.75, 33.44 91.86 01/30/2025 21:34:25 -70.84, 31.59 91.69 68.28 69
9 01/30/2025 22:25:11 70.10,-159.88 87.52 01/30/2025 22:24:56 70.07,-159.88 87.49 3.39 15
10 01/30/2025 23:14:41 -69.99, 7.59 92.60 01/30/2025 23:15:39 -70.00, 7.54 92.59 2.80 58
11 02/02/2025 13:52:08 -70.13, 148.42 93.21 02/02/2025 13:51:07 -70.15, 148.47 93.18 2.79 61
12 02/02/2025 14:41:34 70.07, -44.02 86.73 02/02/2025 14:41:51 70.06, -44.09 86.72 2.61 17
13 02/02/2025 15:31:14 -69.41, 122.71 93.91 02/02/2025 15:32:23 -69.41, 124.19 93.98 57.92 69

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 1/22/2025
SNOs_Map_LANDSAT-8_NPP_20250122.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 01/22/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP