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: 11/2/2023
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 11/03/2023 06:33:05 -70.15,-101.84 94.97 11/03/2023 06:33:47 -70.15,-101.87 94.96 1.10 42
2 11/03/2023 07:23:50 70.07, 65.58 84.97 11/03/2023 07:23:14 70.05, 65.64 84.95 3.18 36
3 11/05/2023 21:59:26 70.66,-154.20 86.36 11/05/2023 22:00:36 70.56,-153.00 86.27 45.52 70
4 11/05/2023 22:49:59 -70.10, 13.99 94.19 11/05/2023 22:50:12 -70.12, 13.98 94.17 2.00 13
5 11/05/2023 23:40:44 70.03,-178.59 85.75 11/05/2023 23:39:39 70.01,-178.52 85.74 3.12 65
6 11/08/2023 14:16:12 70.15, -37.63 86.64 11/08/2023 14:17:08 70.16, -37.69 86.66 2.50 56
7 11/08/2023 15:06:54 -70.06, 129.81 93.43 11/08/2023 15:06:38 -70.05, 129.78 93.45 2.19 16
8 11/08/2023 15:57:25 69.25, -61.69 85.77 11/08/2023 15:56:17 69.28, -63.63 85.79 76.29 68
9 11/11/2023 06:33:07 70.13, 78.17 87.38 11/11/2023 06:33:33 70.11, 78.14 87.36 2.27 26
10 11/11/2023 07:23:49 -70.04,-114.38 92.70 11/11/2023 07:23:02 -70.05,-114.31 92.69 3.09 47
11 11/13/2023 21:59:18 -70.23, 26.47 91.81 11/13/2023 22:00:29 -70.24, 26.59 91.79 4.86 71
12 11/13/2023 22:50:01 70.06,-165.97 88.04 11/13/2023 22:49:57 70.07,-166.01 88.05 2.07 4
13 11/13/2023 23:40:41 -69.87, 1.64 92.15 11/13/2023 23:39:28 -69.91, 1.40 92.11 10.62 73

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/2/2023
SNOs_Map_NPP_LANDSAT-9_20231102.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 11/02/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9