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: 1/30/2025
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 01/30/2025 22:25:29 70.12,-159.93 87.54 01/30/2025 22:24:57 70.13,-159.97 87.55 1.70 32
2 01/30/2025 23:14:59 -70.01, 7.55 92.58 01/30/2025 23:15:39 -70.02, 7.51 92.57 1.64 40
3 02/02/2025 13:52:26 -70.55, 148.91 92.82 02/02/2025 13:51:15 -70.58, 147.79 92.73 41.95 71
4 02/02/2025 14:42:00 70.06, -44.15 86.72 02/02/2025 14:41:51 70.06, -44.09 86.72 2.14 9
5 02/02/2025 15:31:30 -69.95, 123.33 93.40 02/02/2025 15:32:33 -69.95, 123.39 93.41 2.20 63
6 02/05/2025 06:09:02 -70.17, -95.76 93.97 02/05/2025 06:08:02 -70.16, -95.77 93.97 1.28 60
7 02/05/2025 06:58:29 70.06, 71.73 85.92 02/05/2025 06:58:46 70.06, 71.68 85.92 1.72 17
8 02/05/2025 07:48:09 -69.40,-121.54 94.71 02/05/2025 07:49:18 -69.42,-120.05 94.76 58.12 69
9 02/07/2025 22:25:31 -70.13, 20.06 94.84 02/07/2025 22:24:56 -70.11, 20.07 94.85 1.40 35
10 02/07/2025 23:14:57 70.01,-172.45 85.05 02/07/2025 23:15:39 70.02,-172.48 85.05 1.16 42
11 02/10/2025 13:52:24 70.42, -31.27 84.59 02/10/2025 13:51:12 70.46, -32.01 84.68 28.10 72
12 02/10/2025 14:41:58 -70.10, 135.90 95.73 02/10/2025 14:41:49 -70.09, 135.89 95.74 1.31 9
13 02/10/2025 15:31:25 69.98, -56.62 84.15 02/10/2025 15:32:33 69.99, -56.65 84.16 1.98 68

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 1/30/2025
SNOs_Map_LANDSAT-8_NPP_20250130.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 01/30/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP