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: 8/23/2023
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 08/25/2023 21:59:55 -70.23, 26.49 120.42 08/25/2023 22:00:34 -70.25, 26.51 120.42 1.79 39
2 08/25/2023 22:50:39 70.12,-166.03 59.47 08/25/2023 22:50:02 70.09,-166.07 59.45 3.19 37
3 08/28/2023 13:26:18 70.92, -26.17 61.22 08/28/2023 13:27:26 70.84, -24.36 61.08 66.40 68
4 08/28/2023 14:16:48 -70.20, 142.31 119.53 08/28/2023 14:17:06 -70.18, 142.29 119.55 2.09 18
5 08/28/2023 15:07:32 70.09, -50.21 60.38 08/28/2023 15:06:33 70.08, -50.21 60.37 1.26 59
6 08/31/2023 05:42:59 70.27, 90.66 61.49 08/31/2023 05:44:07 70.25, 90.64 61.46 2.32 68
7 08/31/2023 06:33:41 -70.17,-101.88 118.61 08/31/2023 06:33:37 -70.14,-101.88 118.64 3.12 4
8 08/31/2023 07:24:19 69.75, 66.07 60.97 08/31/2023 07:23:08 69.81, 65.30 61.06 30.66 71
9 09/02/2023 21:59:52 70.25,-153.55 62.44 09/02/2023 22:00:37 70.24,-153.50 62.41 2.39 45
10 09/02/2023 22:50:34 -70.15, 13.93 117.66 09/02/2023 22:50:07 -70.13, 13.98 117.68 2.78 27
11 09/05/2023 14:16:43 70.19, -37.68 63.35 09/05/2023 14:17:06 70.20, -37.68 63.36 0.86 23
12 09/05/2023 15:07:25 -70.08, 129.80 116.75 09/05/2023 15:06:36 -70.10, 129.81 116.73 1.51 49

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/23/2023
SNOs_Map_NPP_LANDSAT-9_20230824.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/23/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9