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: 2/25/2023
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 02/25/2023 13:26:38 -71.12, 153.46 99.74 02/25/2023 13:27:45 -71.03, 155.84 99.93 86.40 67
2 02/25/2023 14:17:07 70.22, -37.76 79.30 02/25/2023 14:17:25 70.22, -37.73 79.29 1.32 18
3 02/25/2023 15:07:48 -70.08, 129.77 100.87 02/25/2023 15:06:55 -70.11, 129.74 100.83 3.21 53
4 02/28/2023 05:43:16 -70.28, -89.38 101.64 02/28/2023 05:44:27 -70.27, -89.43 101.67 2.66 71
5 02/28/2023 06:34:00 70.17, 78.11 78.23 02/28/2023 06:33:54 70.16, 78.06 78.23 1.96 6
6 02/28/2023 07:24:39 -69.92,-114.19 102.05 02/28/2023 07:23:26 -69.94,-114.62 102.00 16.25 73
7 03/02/2023 22:00:10 -70.29, 26.40 102.66 03/02/2023 22:00:53 -70.27, 26.46 102.69 3.14 43
8 03/02/2023 22:50:54 70.18,-166.12 77.22 03/02/2023 22:50:20 70.16,-166.05 77.20 3.46 34
9 03/05/2023 13:26:30 70.87, -26.08 76.95 03/05/2023 13:27:39 70.77, -24.53 76.77 57.56 69
10 03/05/2023 14:17:01 -70.20, 142.33 103.79 03/05/2023 14:17:17 -70.22, 142.29 103.77 2.89 16
11 03/05/2023 15:07:45 70.09, -50.20 76.09 03/05/2023 15:06:44 70.11, -50.23 76.12 2.02 61
12 03/08/2023 05:43:12 70.27, 90.68 75.26 03/08/2023 05:44:10 70.29, 90.66 75.27 2.20 58
13 03/08/2023 06:33:54 -70.17,-101.85 104.86 03/08/2023 06:33:40 -70.18,-101.87 104.85 1.16 14
14 03/08/2023 07:24:26 69.43, 66.57 74.35 03/08/2023 07:23:17 69.51, 64.85 74.51 67.65 69
15 03/10/2023 22:00:05 70.25,-153.51 74.19 03/10/2023 22:00:31 70.25,-153.49 74.18 0.90 26
16 03/10/2023 22:50:47 -70.15, 13.97 105.93 03/10/2023 22:50:01 -70.14, 13.99 105.94 1.64 46

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/25/2023
SNOs_Map_NPP_LANDSAT-9_20230225.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 02/25/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9