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: 11/30/2023
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 12/02/2023 14:16:12 -70.61, 141.63 87.52 12/02/2023 14:17:22 -70.53, 142.77 87.61 42.87 70
2 12/02/2023 15:06:49 70.12, -50.29 91.99 12/02/2023 15:06:55 70.10, -50.22 91.97 3.50 6
3 12/02/2023 15:57:30 -69.99, 117.23 88.14 12/02/2023 15:56:25 -69.99, 117.26 88.14 1.02 65
4 12/05/2023 06:32:57 -70.17,-101.90 87.59 12/05/2023 06:33:56 -70.16,-101.88 87.61 1.18 59
5 12/05/2023 07:23:41 70.06, 65.59 92.30 12/05/2023 07:23:23 70.06, 65.61 92.30 0.73 18
6 12/05/2023 08:14:12 -69.39,-126.11 88.38 12/05/2023 08:13:02 -69.45,-127.59 88.31 58.30 70
7 12/07/2023 22:49:49 -70.12, 13.96 87.33 12/07/2023 22:50:23 -70.13, 13.96 87.32 1.43 34
8 12/07/2023 23:40:33 70.00,-178.55 92.56 12/07/2023 23:39:50 70.02,-178.56 92.58 1.80 43
9 12/10/2023 14:16:04 70.48, -38.15 93.31 12/10/2023 14:17:15 70.37, -37.43 93.19 29.32 71
10 12/10/2023 15:06:40 -70.07, 129.81 87.11 12/10/2023 15:06:48 -70.10, 129.81 87.08 3.01 8
11 12/10/2023 15:57:24 69.96, -62.71 92.79 12/10/2023 15:56:15 69.99, -62.70 92.81 2.63 69
12 12/13/2023 06:32:50 70.14, 78.17 93.18 12/13/2023 06:33:44 70.13, 78.12 93.16 2.32 54
13 12/13/2023 07:23:32 -70.04,-114.37 86.92 12/13/2023 07:23:14 -70.02,-114.40 86.94 2.60 18

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/30/2023
SNOs_Map_NPP_LANDSAT-9_20231130.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 11/30/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9