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: 1/29/2025
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 22:25:30 70.09,-159.98 87.51 01/30/2025 22:24:57 70.11,-159.94 87.53 2.16 33
2 01/30/2025 23:15:00 -69.98, 7.50 92.61 01/30/2025 23:15:39 -70.00, 7.55 92.60 2.40 39
3 02/02/2025 13:52:27 -70.51, 148.86 92.85 02/02/2025 13:51:16 -70.61, 147.74 92.70 42.95 71
4 02/02/2025 14:42:00 70.07, -44.13 86.73 02/02/2025 14:41:52 70.09, -44.14 86.76 2.37 8
5 02/02/2025 15:31:30 -69.96, 123.35 93.39 02/02/2025 15:32:34 -69.98, 123.34 93.38 2.02 64
6 02/05/2025 06:09:01 -70.17, -95.75 93.97 02/05/2025 06:08:02 -70.19, -95.82 93.94 3.02 59
7 02/05/2025 06:58:28 70.06, 71.73 85.92 02/05/2025 06:58:45 70.04, 71.72 85.90 2.30 17
8 02/05/2025 07:48:08 -69.41,-121.53 94.71 02/05/2025 07:49:17 -69.40,-120.02 94.79 59.05 69
9 02/07/2025 22:25:30 -70.11, 20.05 94.85 02/07/2025 22:24:55 -70.09, 20.10 94.87 3.09 35
10 02/07/2025 23:14:57 70.00,-172.47 85.03 02/07/2025 23:15:39 70.00,-172.45 85.03 0.86 42
11 02/10/2025 13:52:24 70.39, -31.31 84.56 02/10/2025 13:51:12 70.44, -31.98 84.66 25.88 72
12 02/10/2025 14:41:58 -70.07, 135.86 95.76 02/10/2025 14:41:49 -70.07, 135.92 95.76 2.22 9
13 02/10/2025 15:31:25 69.95, -56.66 84.12 02/10/2025 15:32:33 69.97, -56.63 84.14 3.24 68

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 1/29/2025
SNOs_Map_LANDSAT-8_NPP_20250129.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 01/29/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP