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: 8/28/2023
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 70.91, -26.15 61.21 08/28/2023 13:27:27 70.80, -24.42 61.05 64.26 69
2 08/28/2023 14:16:48 -70.19, 142.32 119.53 08/28/2023 14:17:06 -70.19, 142.31 119.54 0.45 18
3 08/28/2023 15:07:32 70.08, -50.20 60.36 08/28/2023 15:06:33 70.10, -50.19 60.39 2.01 59
4 08/31/2023 05:42:59 70.26, 90.67 61.48 08/31/2023 05:44:07 70.27, 90.67 61.48 1.83 68
5 08/31/2023 06:33:41 -70.17,-101.87 118.61 08/31/2023 06:33:37 -70.16,-101.86 118.62 0.49 4
6 08/31/2023 07:24:20 69.79, 66.01 61.02 08/31/2023 07:23:08 69.84, 65.33 61.09 26.63 72
7 09/02/2023 21:59:51 70.24,-153.53 62.42 09/02/2023 22:00:37 70.22,-153.54 62.39 2.75 46
8 09/02/2023 22:50:32 -70.09, 14.02 117.72 09/02/2023 22:50:07 -70.11, 13.94 117.70 3.39 25
9 09/05/2023 14:16:43 70.18, -37.66 63.34 09/05/2023 14:17:07 70.19, -37.69 63.35 1.96 24
10 09/05/2023 15:07:25 -70.07, 129.81 116.76 09/05/2023 15:06:37 -70.08, 129.79 116.75 1.27 48
11 09/08/2023 05:42:56 -70.48, -89.67 115.37 09/08/2023 05:44:07 -70.41, -89.13 115.45 21.34 71
12 09/08/2023 06:33:36 70.17, 78.13 64.33 09/08/2023 06:33:36 70.19, 78.20 64.35 3.62 0
13 09/08/2023 07:24:18 -70.07,-114.40 115.77 09/08/2023 07:23:07 -70.03,-114.39 115.80 3.39 71
14 09/10/2023 21:59:44 -70.21, 26.52 114.64 09/10/2023 22:00:39 -70.23, 26.50 114.62 2.60 55
15 09/10/2023 22:50:28 70.12,-166.02 65.28 09/10/2023 22:50:06 70.12,-166.02 65.28 0.17 22

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/28/2023
SNOs_Map_NPP_LANDSAT-9_20230828.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/28/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9