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: 8/26/2023
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 13:26:19 70.94, -26.21 61.24 08/28/2023 13:27:27 70.82, -24.39 61.06 67.45 68
2 08/28/2023 14:16:49 -70.22, 142.27 119.50 08/28/2023 14:17:06 -70.21, 142.34 119.52 2.73 17
3 08/28/2023 15:07:32 70.06, -50.17 60.34 08/28/2023 15:06:34 70.06, -50.24 60.35 2.82 58
4 08/31/2023 05:42:59 70.29, 90.62 61.51 08/31/2023 05:44:06 70.29, 90.69 61.50 2.74 67
5 08/31/2023 06:33:40 -70.15,-101.84 118.63 08/31/2023 06:33:36 -70.18,-101.83 118.60 3.63 4
6 08/31/2023 07:24:19 69.77, 66.04 61.00 08/31/2023 07:23:07 69.85, 65.35 61.10 27.81 72
7 09/02/2023 21:59:51 70.23,-153.51 62.41 09/02/2023 22:00:37 70.22,-153.52 62.40 0.69 46
8 09/02/2023 22:50:33 -70.13, 13.96 117.69 09/02/2023 22:50:07 -70.12, 13.96 117.69 1.09 26
9 09/05/2023 14:16:43 70.17, -37.64 63.33 09/05/2023 14:17:07 70.19, -37.69 63.35 3.09 24
10 09/05/2023 15:07:25 -70.06, 129.83 116.77 09/05/2023 15:06:37 -70.09, 129.80 116.74 2.83 48
11 09/08/2023 05:42:56 -70.47, -89.65 115.38 09/08/2023 05:44:07 -70.41, -89.13 115.46 20.78 71
12 09/08/2023 06:33:36 70.17, 78.13 64.32 09/08/2023 06:33:36 70.18, 78.19 64.34 2.79 0
13 09/08/2023 07:24:18 -70.06,-114.39 115.78 09/08/2023 07:23:06 -70.08,-114.32 115.75 3.57 72

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/26/2023
SNOs_Map_NPP_LANDSAT-9_20230826.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/26/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9