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: 1/13/2025
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 01/14/2025 22:25:30 70.14,-159.90 91.25 01/14/2025 22:24:51 70.11,-159.95 91.24 3.18 39
2 01/14/2025 23:15:00 -70.02, 7.57 88.87 01/14/2025 23:15:33 -70.00, 7.54 88.89 2.49 33
3 01/17/2025 13:52:23 -70.69, 149.15 88.73 01/17/2025 13:51:14 -70.74, 147.52 88.61 60.17 69
4 01/17/2025 14:41:59 70.09, -44.08 90.70 01/17/2025 14:41:47 70.07, -44.11 90.68 3.14 12
5 01/17/2025 15:31:29 -69.98, 123.40 89.42 01/17/2025 15:32:29 -69.95, 123.38 89.45 3.26 60
6 01/20/2025 06:09:01 -70.13, -95.79 89.82 01/20/2025 06:07:59 -70.12, -95.73 89.82 2.42 62
7 01/20/2025 06:58:28 70.02, 71.70 90.08 01/20/2025 06:58:43 70.03, 71.72 90.09 1.38 15
8 01/20/2025 07:48:07 -69.41,-121.49 90.51 01/20/2025 07:49:16 -69.44,-120.09 90.55 54.95 69
9 01/22/2025 22:25:29 -70.08, 20.03 90.46 01/22/2025 22:24:55 -70.09, 20.09 90.45 2.54 34
10 01/22/2025 23:14:55 70.02,-172.41 89.48 01/22/2025 23:15:39 70.00,-172.47 89.46 3.34 44
11 01/25/2025 13:52:23 70.27, -31.45 89.09 01/25/2025 13:51:10 70.29, -31.78 89.14 12.79 73
12 01/25/2025 14:41:55 -70.05, 135.88 91.13 01/25/2025 14:41:50 -70.06, 135.89 91.12 1.45 5
13 01/25/2025 15:31:22 69.94, -56.64 88.76 01/25/2025 15:32:33 69.93, -56.59 88.73 2.12 71

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 1/13/2025
SNOs_Map_LANDSAT-8_NPP_20250113.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 01/13/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP