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: 9/2/2023
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 09/02/2023 21:59:51 70.24,-153.53 62.42 09/02/2023 22:00:37 70.22,-153.53 62.39 2.58 46
2 09/02/2023 22:50:32 -70.10, 14.01 117.72 09/02/2023 22:50:07 -70.10, 13.93 117.71 2.97 25
3 09/05/2023 14:16:43 70.18, -37.66 63.34 09/05/2023 14:17:07 70.19, -37.70 63.35 1.69 24
4 09/05/2023 15:07:25 -70.08, 129.80 116.75 09/05/2023 15:06:37 -70.07, 129.78 116.75 1.37 48
5 09/08/2023 05:42:56 -70.49, -89.68 115.36 09/08/2023 05:44:07 -70.40, -89.15 115.47 22.26 71
6 09/08/2023 06:33:36 70.18, 78.12 64.33 09/08/2023 06:33:36 70.18, 78.18 64.34 2.58 0
7 09/08/2023 07:24:18 -70.08,-114.41 115.76 09/08/2023 07:23:06 -70.08,-114.34 115.76 2.94 72
8 09/10/2023 21:59:44 -70.23, 26.50 114.62 09/10/2023 22:00:39 -70.21, 26.47 114.65 2.29 55
9 09/10/2023 22:50:28 70.13,-166.03 65.29 09/10/2023 22:50:06 70.10,-166.05 65.26 3.25 22
10 09/10/2023 23:40:56 -69.28, 2.52 115.56 09/10/2023 23:39:48 -69.34, 0.53 115.47 78.26 68
11 09/13/2023 14:16:35 -70.18, 142.34 113.65 09/13/2023 14:17:07 -70.16, 142.28 113.68 3.50 32
12 09/13/2023 15:07:19 70.09, -50.20 66.27 09/13/2023 15:06:33 70.10, -50.16 66.28 1.97 46

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/2/2023
SNOs_Map_NPP_LANDSAT-9_20230902.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 09/02/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9