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: 8/31/2023
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 08/31/2023 05:42:59 70.25, 90.68 61.47 08/31/2023 05:44:07 70.28, 90.67 61.49 2.72 68
2 08/31/2023 06:33:41 -70.17,-101.87 118.61 08/31/2023 06:33:37 -70.16,-101.86 118.62 0.42 4
3 08/31/2023 07:24:20 69.79, 66.01 61.01 08/31/2023 07:23:08 69.84, 65.34 61.09 26.85 72
4 09/02/2023 21:59:51 70.24,-153.52 62.42 09/02/2023 22:00:37 70.22,-153.53 62.40 1.76 46
5 09/02/2023 22:50:32 -70.09, 14.02 117.72 09/02/2023 22:50:07 -70.11, 13.95 117.70 3.45 25
6 09/05/2023 14:16:43 70.17, -37.65 63.34 09/05/2023 14:17:07 70.19, -37.68 63.35 2.75 24
7 09/05/2023 15:07:25 -70.08, 129.81 116.76 09/05/2023 15:06:37 -70.09, 129.80 116.74 1.44 48
8 09/08/2023 05:42:56 -70.48, -89.67 115.37 09/08/2023 05:44:07 -70.42, -89.12 115.45 21.50 71
9 09/08/2023 06:33:36 70.17, 78.13 64.33 09/08/2023 06:33:37 70.15, 78.13 64.30 2.48 1
10 09/08/2023 07:24:18 -70.07,-114.40 115.77 09/08/2023 07:23:07 -70.04,-114.39 115.79 2.90 71
11 09/10/2023 21:59:44 -70.21, 26.52 114.64 09/10/2023 22:00:39 -70.24, 26.51 114.62 3.15 55
12 09/10/2023 22:50:28 70.12,-166.02 65.28 09/10/2023 22:50:06 70.13,-166.01 65.29 1.31 22
13 09/10/2023 23:40:56 -69.27, 2.54 115.58 09/10/2023 23:39:48 -69.37, 0.57 115.44 77.87 68
14 09/13/2023 14:16:36 -70.22, 142.29 113.62 09/13/2023 14:17:07 -70.20, 142.34 113.64 2.47 31
15 09/13/2023 15:07:19 70.07, -50.18 66.25 09/13/2023 15:06:34 70.09, -50.18 66.27 1.75 45

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/31/2023
SNOs_Map_NPP_LANDSAT-9_20230831.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/31/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9