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: 2/14/2025
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 02/15/2025 22:25:24 70.16,-159.89 82.54 02/15/2025 22:24:54 70.14,-159.95 82.53 3.26 30
2 02/15/2025 23:14:54 -70.05, 7.59 97.58 02/15/2025 23:15:36 -70.04, 7.52 97.59 2.85 42
3 02/18/2025 13:52:21 -70.50, 148.85 98.07 02/18/2025 13:51:10 -70.57, 147.85 97.95 37.67 71
4 02/18/2025 14:41:54 70.07, -44.14 81.51 02/18/2025 14:41:47 70.09, -44.09 81.53 3.22 7
5 02/18/2025 15:31:23 -70.01, 123.42 98.56 02/18/2025 15:32:29 -70.00, 123.37 98.58 2.76 66
6 02/21/2025 06:08:55 -70.16, -95.77 99.36 02/21/2025 06:07:56 -70.16, -95.73 99.34 1.40 59
7 02/21/2025 06:58:22 70.05, 71.72 80.53 02/21/2025 06:58:40 70.05, 71.75 80.53 1.26 18
8 02/21/2025 07:48:01 -69.39,-121.55 100.10 02/21/2025 07:49:10 -69.38,-119.94 100.20 62.95 69
9 02/23/2025 22:25:21 -70.17, 20.13 100.34 02/23/2025 22:24:48 -70.14, 20.09 100.35 3.23 33
10 02/23/2025 23:14:48 70.05,-172.39 79.55 02/23/2025 23:15:32 70.03,-172.43 79.52 2.71 44
11 02/26/2025 13:52:15 70.40, -31.28 78.90 02/26/2025 13:51:03 70.43, -31.90 78.97 23.34 72
12 02/26/2025 14:41:48 -70.14, 135.97 101.37 02/26/2025 14:41:41 -70.13, 135.89 101.37 3.03 7
13 02/26/2025 15:31:15 70.02, -56.55 78.52 02/26/2025 15:32:25 70.02, -56.63 78.51 2.89 70

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 2/14/2025
SNOs_Map_LANDSAT-8_NPP_20250214.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 02/14/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP