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: 12/24/2023
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 12/26/2023 14:16:10 71.00, -39.00 94.33 12/26/2023 14:17:17 70.87, -36.73 94.14 83.54 67
2 12/26/2023 15:06:37 -70.12, 129.73 86.59 12/26/2023 15:06:59 -70.10, 129.76 86.62 2.44 22
3 12/26/2023 15:57:21 70.00, -62.78 93.29 12/26/2023 15:56:26 70.00, -62.74 93.29 1.56 55
4 12/29/2023 06:32:51 70.14, 78.15 93.31 12/29/2023 06:33:58 70.15, 78.08 93.32 3.27 67
5 12/29/2023 07:23:33 -70.04,-114.38 86.79 12/29/2023 07:23:28 -70.04,-114.44 86.79 2.24 5
6 12/29/2023 08:14:11 69.61, 53.57 92.77 12/29/2023 08:13:00 69.66, 52.67 92.84 35.24 71
7 12/31/2023 22:49:48 70.12,-166.06 93.13 12/31/2023 22:50:26 70.10,-166.10 93.11 2.41 38
8 12/31/2023 23:40:30 -70.02, 1.41 86.98 12/31/2023 23:39:56 -70.00, 1.38 87.00 2.95 34
9 01/03/2024 14:16:09 -70.64, 141.57 86.56 01/03/2024 14:17:19 -70.57, 142.82 86.67 46.91 70
10 01/03/2024 15:06:44 70.06, -50.21 92.85 01/03/2024 15:06:53 70.07, -50.26 92.85 1.74 9
11 01/03/2024 15:57:26 -69.96, 117.26 87.27 01/03/2024 15:56:23 -69.96, 117.23 87.26 1.27 63
12 01/06/2024 06:32:56 -70.17,-101.92 87.32 01/06/2024 06:33:51 -70.17,-101.87 87.34 2.10 55
13 01/06/2024 07:23:40 70.07, 65.54 92.57 01/06/2024 07:23:18 70.05, 65.61 92.55 3.48 22

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/24/2023
SNOs_Map_NPP_LANDSAT-9_20231224.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/24/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9