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: 8/18/2023
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 08/20/2023 13:26:13 -70.50, 154.53 121.95 08/20/2023 13:27:24 -70.43, 155.05 122.04 20.58 71
2 08/20/2023 14:16:53 70.17, -37.65 57.73 08/20/2023 14:16:54 70.17, -37.69 57.72 1.57 1
3 08/20/2023 15:07:35 -70.08, 129.80 122.36 08/20/2023 15:06:23 -70.11, 129.85 122.33 3.08 72
4 08/23/2023 05:43:02 -70.24, -89.29 121.33 08/23/2023 05:43:55 -70.24, -89.34 121.34 1.88 53
5 08/23/2023 06:33:46 70.13, 78.19 58.57 08/23/2023 06:33:22 70.13, 78.15 58.58 1.53 24
6 08/23/2023 07:24:13 -69.24,-113.20 122.34 08/23/2023 07:23:05 -69.31,-115.35 122.21 85.09 68
7 08/25/2023 21:59:55 -70.20, 26.54 120.46 08/25/2023 22:00:23 -70.18, 26.47 120.48 3.36 28
8 08/25/2023 22:50:39 70.09,-165.99 59.44 08/25/2023 22:49:50 70.07,-166.04 59.43 2.92 49
9 08/28/2023 13:26:08 70.37, -25.27 60.64 08/28/2023 13:27:19 70.31, -25.08 60.57 9.72 71
10 08/28/2023 14:16:48 -70.16, 142.36 119.56 08/28/2023 14:16:50 -70.15, 142.32 119.58 2.17 2
11 08/28/2023 15:07:30 69.95, -50.01 60.24 08/28/2023 15:06:18 69.98, -50.27 60.28 10.44 72
12 08/31/2023 05:42:58 70.24, 90.70 61.46 08/31/2023 05:43:45 70.25, 90.73 61.46 1.76 47
13 08/31/2023 06:33:40 -70.14,-101.83 118.64 08/31/2023 06:33:15 -70.15,-101.78 118.63 1.98 25

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/18/2023
SNOs_Map_NPP_LANDSAT-9_20230818.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/18/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9