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: 1/18/2025
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 01/20/2025 06:09:00 -70.14, -95.77 89.81 01/20/2025 06:07:59 -70.13, -95.75 89.80 1.15 61
2 01/20/2025 06:58:27 70.04, 71.73 90.09 01/20/2025 06:58:43 70.04, 71.70 90.09 0.91 16
3 01/20/2025 07:48:06 -69.43,-121.48 90.50 01/20/2025 07:49:15 -69.40,-120.03 90.59 56.59 69
4 01/22/2025 22:25:27 -70.11, 20.08 90.43 01/22/2025 22:24:55 -70.11, 20.05 90.43 1.08 32
5 01/22/2025 23:14:54 70.01,-172.43 89.47 01/22/2025 23:15:39 70.02,-172.50 89.47 2.88 45
6 01/25/2025 13:52:22 70.21, -31.52 89.03 01/25/2025 13:51:09 70.27, -31.74 89.11 10.28 73
7 01/25/2025 14:41:53 -70.05, 135.88 91.14 01/25/2025 14:41:49 -70.05, 135.92 91.14 1.84 4
8 01/25/2025 15:31:20 69.94, -56.63 88.75 01/25/2025 15:32:33 69.96, -56.63 88.76 2.19 73
9 01/28/2025 06:08:49 70.10, 84.21 88.24 01/28/2025 06:08:02 70.11, 84.28 88.26 2.73 47
10 01/28/2025 06:58:18 -70.05,-108.23 91.82 01/28/2025 06:58:45 -70.05,-108.30 91.82 2.87 27
11 01/30/2025 21:35:35 -70.83, 33.54 91.79 01/30/2025 21:34:27 -70.89, 31.49 91.63 75.01 68
12 01/30/2025 22:25:14 70.06,-159.95 87.48 01/30/2025 22:24:57 70.07,-159.89 87.50 2.89 17
13 01/30/2025 23:14:44 -69.95, 7.53 92.64 01/30/2025 23:15:39 -69.95, 7.61 92.65 2.94 55

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 1/18/2025
SNOs_Map_LANDSAT-8_NPP_20250118.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 01/18/2025 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP