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: 8/23/2023
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 08/23/2023 05:43:03 -70.29, -89.37 121.28 08/23/2023 05:44:03 -70.27, -89.33 121.30 2.46 60
2 08/23/2023 06:33:47 70.17, 78.12 58.62 08/23/2023 06:33:30 70.18, 78.18 58.62 2.21 17
3 08/23/2023 07:24:19 -69.56,-113.65 122.01 08/23/2023 07:23:09 -69.57,-115.04 121.96 54.19 70
4 08/25/2023 21:59:56 -70.25, 26.46 120.41 08/25/2023 22:00:35 -70.23, 26.48 120.43 2.16 39
5 08/25/2023 22:50:40 70.13,-166.05 59.49 08/25/2023 22:50:02 70.13,-166.01 59.49 1.55 38
6 08/28/2023 13:26:18 70.94, -26.20 61.24 08/28/2023 13:27:26 70.82, -24.39 61.06 66.99 68
7 08/28/2023 14:16:48 -70.21, 142.29 119.51 08/28/2023 14:17:05 -70.22, 142.34 119.51 2.12 17
8 08/28/2023 15:07:32 70.10, -50.24 60.39 08/28/2023 15:06:32 70.11, -50.16 60.40 2.99 60
9 08/31/2023 05:42:59 70.29, 90.63 61.50 08/31/2023 05:44:06 70.28, 90.68 61.49 2.05 67
10 08/31/2023 06:33:41 -70.19,-101.90 118.59 08/31/2023 06:33:36 -70.17,-101.84 118.60 2.76 5
11 08/31/2023 07:24:19 69.76, 66.05 60.99 08/31/2023 07:23:07 69.85, 65.34 61.09 28.49 72
12 09/02/2023 21:59:51 70.22,-153.49 62.40 09/02/2023 22:00:37 70.21,-153.54 62.39 1.96 46
13 09/02/2023 22:50:33 -70.11, 13.98 117.70 09/02/2023 22:50:07 -70.11, 13.95 117.70 1.62 26
14 09/05/2023 14:16:44 70.21, -37.71 63.37 09/05/2023 14:17:06 70.22, -37.64 63.38 2.85 22
15 09/05/2023 15:07:26 -70.10, 129.77 116.73 09/05/2023 15:06:36 -70.12, 129.85 116.71 3.50 50

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/23/2023
SNOs_Map_NPP_LANDSAT-9_20230823.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 08/23/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9