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: 2/13/2025
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 02/15/2025 22:25:24 70.15,-159.90 82.53 02/15/2025 22:24:54 70.14,-159.96 82.53 2.38 30
2 02/15/2025 23:14:54 -70.04, 7.58 97.59 02/15/2025 23:15:36 -70.05, 7.51 97.58 2.93 42
3 02/18/2025 13:52:21 -70.49, 148.84 98.08 02/18/2025 13:51:10 -70.57, 147.84 97.95 37.84 71
4 02/18/2025 14:41:53 70.11, -44.07 81.55 02/18/2025 14:41:47 70.10, -44.10 81.54 1.93 6
5 02/18/2025 15:31:23 -70.00, 123.41 98.57 02/18/2025 15:32:29 -70.00, 123.36 98.58 1.79 66
6 02/21/2025 06:08:55 -70.14, -95.79 99.37 02/21/2025 06:07:56 -70.17, -95.74 99.34 3.13 59
7 02/21/2025 06:58:22 70.03, 71.70 80.51 02/21/2025 06:58:40 70.06, 71.74 80.54 3.40 18
8 02/21/2025 07:48:02 -69.38,-121.56 100.12 02/21/2025 07:49:11 -69.38,-119.94 100.19 63.54 69
9 02/23/2025 22:25:21 -70.14, 20.09 100.36 02/23/2025 22:24:48 -70.14, 20.09 100.35 0.11 33
10 02/23/2025 23:14:48 70.02,-172.43 79.52 02/23/2025 23:15:32 70.03,-172.43 79.52 0.87 44
11 02/26/2025 13:52:15 70.36, -31.33 78.87 02/26/2025 13:51:03 70.43, -31.90 78.97 22.33 72
12 02/26/2025 14:41:48 -70.10, 135.92 101.40 02/26/2025 14:41:41 -70.12, 135.90 101.37 3.19 7
13 02/26/2025 15:31:15 69.98, -56.60 78.48 02/26/2025 15:32:24 69.96, -56.55 78.45 2.78 69

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 2/13/2025
SNOs_Map_LANDSAT-8_NPP_20250213.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 02/13/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP