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: 4/13/2025
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 04/15/2025 13:51:58 70.25, -31.54 60.20 04/15/2025 13:51:02 70.24, -31.52 60.20 1.03 56
2 04/15/2025 14:41:28 -70.13, 135.93 119.93 04/15/2025 14:41:43 -70.12, 136.00 119.95 3.16 15
3 04/15/2025 15:31:08 69.31, -57.55 59.27 04/15/2025 15:32:15 69.34, -55.55 59.24 78.72 67
4 04/18/2025 06:08:25 70.22, 84.31 59.23 04/18/2025 06:08:01 70.20, 84.31 59.21 2.60 24
5 04/18/2025 06:57:55 -70.11,-108.22 120.90 04/18/2025 06:58:43 -70.12,-108.25 120.89 1.61 48
6 04/20/2025 21:35:24 -70.32, 32.69 121.60 04/20/2025 21:34:16 -70.30, 32.61 121.61 3.60 68
7 04/20/2025 22:24:52 70.15,-159.91 58.23 04/20/2025 22:25:00 70.17,-159.89 58.25 2.16 8
8 04/20/2025 23:14:25 -69.82, 7.26 122.10 04/20/2025 23:15:36 -69.82, 7.96 122.13 26.84 71
9 04/23/2025 13:51:49 -70.26, 148.49 122.56 04/23/2025 13:51:14 -70.27, 148.41 122.54 3.48 35
10 04/23/2025 14:41:16 70.15, -44.02 57.33 04/23/2025 14:41:58 70.16, -44.10 57.33 2.97 42
11 04/26/2025 05:18:44 70.32, 96.84 56.64 04/26/2025 05:17:31 70.36, 96.71 56.70 6.85 73
12 04/26/2025 06:08:14 -70.21, -95.69 123.48 04/26/2025 06:08:12 -70.21, -95.73 123.48 1.71 2
13 04/26/2025 06:57:42 70.04, 71.72 56.35 04/26/2025 06:58:55 70.05, 71.83 56.35 4.41 73

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 4/13/2025
SNOs_Map_LANDSAT-8_NPP_20250413.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 04/13/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP