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: 8/27/2023
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 08/28/2023 13:26:18 70.92, -26.17 61.22 08/28/2023 13:27:26 70.85, -24.35 61.09 66.59 68
2 08/28/2023 14:16:48 -70.20, 142.31 119.52 08/28/2023 14:17:06 -70.18, 142.29 119.55 2.03 18
3 08/28/2023 15:07:32 70.09, -50.21 60.37 08/28/2023 15:06:33 70.09, -50.20 60.38 0.38 59
4 08/31/2023 05:42:59 70.27, 90.66 61.49 08/31/2023 05:44:07 70.26, 90.65 61.47 0.80 68
5 08/31/2023 06:33:41 -70.18,-101.88 118.60 08/31/2023 06:33:37 -70.15,-101.87 118.63 2.81 4
6 08/31/2023 07:24:20 69.80, 65.99 61.03 08/31/2023 07:23:08 69.83, 65.31 61.08 26.15 72
7 09/02/2023 21:59:52 70.26,-153.55 62.44 09/02/2023 22:00:37 70.26,-153.48 62.43 2.81 45
8 09/02/2023 22:50:33 -70.10, 14.00 117.71 09/02/2023 22:50:08 -70.09, 13.92 117.72 3.09 25
9 09/05/2023 14:16:43 70.20, -37.69 63.36 09/05/2023 14:17:07 70.17, -37.72 63.33 3.21 24
10 09/05/2023 15:07:25 -70.09, 129.79 116.74 09/05/2023 15:06:37 -70.06, 129.77 116.76 3.37 48
11 09/08/2023 05:42:55 -70.45, -89.62 115.40 09/08/2023 05:44:07 -70.39, -89.16 115.48 18.57 72
12 09/08/2023 06:33:35 70.14, 78.17 64.30 09/08/2023 06:33:36 70.17, 78.16 64.32 2.66 1
13 09/08/2023 07:24:17 -70.04,-114.36 115.80 09/08/2023 07:23:06 -70.07,-114.35 115.77 3.11 71

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/27/2023
SNOs_Map_NPP_LANDSAT-9_20230827.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/27/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9