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: 10/24/2023
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 10/26/2023 06:33:03 70.16, 78.17 82.42 10/26/2023 06:33:52 70.17, 78.14 82.44 2.24 49
2 10/26/2023 07:23:45 -70.07,-114.39 97.66 10/26/2023 07:23:22 -70.06,-114.39 97.67 1.50 23
3 10/28/2023 21:59:32 -71.14, 25.02 95.70 10/28/2023 22:00:38 -71.06, 27.72 95.77 97.46 66
4 10/28/2023 22:49:59 70.13,-166.03 83.30 10/28/2023 22:50:20 70.14,-166.02 83.31 1.05 21
5 10/28/2023 23:40:41 -70.05, 1.42 96.78 10/28/2023 23:39:50 -70.03, 1.45 96.80 2.42 51
6 10/31/2023 14:16:10 -70.18, 142.34 95.79 10/31/2023 14:17:21 -70.18, 142.29 95.79 2.08 71
7 10/31/2023 15:06:54 70.06, -50.17 84.11 10/31/2023 15:06:48 70.07, -50.22 84.12 2.46 6
8 10/31/2023 15:57:33 -69.82, 117.52 96.13 10/31/2023 15:56:20 -69.85, 117.10 96.09 16.57 73
9 11/03/2023 06:33:05 -70.17,-101.88 94.94 11/03/2023 06:33:47 -70.14,-101.88 94.97 3.50 42
10 11/03/2023 07:23:49 70.06, 65.60 84.96 11/03/2023 07:23:14 70.03, 65.61 84.93 2.91 35
11 11/05/2023 21:59:27 70.69,-154.25 86.39 11/05/2023 22:00:37 70.56,-153.00 86.27 48.30 70
12 11/05/2023 22:50:00 -70.12, 13.96 94.17 11/05/2023 22:50:13 -70.13, 14.00 94.17 1.44 13
13 11/05/2023 23:40:44 70.01,-178.56 85.73 11/05/2023 23:39:40 70.01,-178.52 85.73 1.43 64

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/24/2023
SNOs_Map_NPP_LANDSAT-9_20231025.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 10/24/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9