Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 2/17/2024
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 02/17/2024 22:49:53 70.09,-166.07 82.04 02/17/2024 22:50:20 70.12,-166.11 82.06 2.92 27
2 02/17/2024 23:40:35 -70.01, 1.38 98.07 02/17/2024 23:39:50 -69.99, 1.35 98.08 2.05 45
3 02/20/2024 14:16:05 -70.33, 142.03 98.65 02/20/2024 14:17:17 -70.29, 142.38 98.73 14.27 72
4 02/20/2024 15:06:46 70.06, -50.25 81.05 02/20/2024 15:06:46 70.08, -50.27 81.07 2.10 0
5 02/20/2024 15:57:28 -69.97, 117.21 99.06 02/20/2024 15:56:16 -69.96, 117.19 99.06 1.70 72
6 02/23/2024 06:32:55 -70.16,-101.92 99.81 02/23/2024 06:33:44 -70.16,-101.90 99.82 1.09 49
7 02/23/2024 07:23:39 70.05, 65.56 80.06 02/23/2024 07:23:11 70.06, 65.60 80.08 2.21 28
8 02/25/2024 21:59:20 70.98,-154.77 80.08 02/25/2024 22:00:27 70.88,-152.57 79.89 80.81 67
9 02/25/2024 22:49:47 -70.09, 13.96 100.87 02/25/2024 22:50:09 -70.11, 13.92 100.86 2.25 22
10 02/25/2024 23:40:31 69.99,-178.57 79.00 02/25/2024 23:39:36 70.00,-178.59 79.03 2.12 55
11 02/28/2024 14:15:57 70.19, -37.73 78.24 02/28/2024 14:17:02 70.18, -37.71 78.22 1.18 65
12 02/28/2024 15:06:39 -70.10, 129.73 101.88 02/28/2024 15:06:32 -70.07, 129.76 101.91 3.12 7
13 02/28/2024 15:57:16 69.62, -62.24 77.61 02/28/2024 15:56:05 69.63, -63.20 77.67 37.27 71

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/17/2024
SNOs_Map_NPP_LANDSAT-9_20240217.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 02/17/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9