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: 12/4/2023
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 12/05/2023 06:32:56 -70.13,-101.83 87.64 12/05/2023 06:33:56 -70.15,-101.91 87.63 3.55 60
2 12/05/2023 07:23:41 70.06, 65.58 92.30 12/05/2023 07:23:23 70.04, 65.59 92.28 1.79 18
3 12/05/2023 08:14:12 -69.40,-126.12 88.37 12/05/2023 08:13:02 -69.43,-127.62 88.33 58.62 70
4 12/07/2023 22:49:49 -70.12, 13.96 87.33 12/07/2023 22:50:23 -70.12, 13.94 87.34 0.95 34
5 12/07/2023 23:40:33 70.00,-178.55 92.56 12/07/2023 23:39:50 70.01,-178.57 92.57 0.93 43
6 12/10/2023 14:16:05 70.48, -38.14 93.31 12/10/2023 14:17:16 70.38, -37.42 93.19 28.91 71
7 12/10/2023 15:06:41 -70.07, 129.81 87.11 12/10/2023 15:06:49 -70.10, 129.81 87.08 3.11 8
8 12/10/2023 15:57:24 69.96, -62.71 92.78 12/10/2023 15:56:16 69.94, -62.78 92.76 3.61 68
9 12/13/2023 06:32:50 70.13, 78.19 93.17 12/13/2023 06:33:44 70.15, 78.15 93.19 3.14 54
10 12/13/2023 07:23:32 -70.04,-114.36 86.93 12/13/2023 07:23:14 -70.05,-114.37 86.92 1.17 18
11 12/13/2023 08:14:01 69.13, 54.27 92.15 12/13/2023 08:12:54 69.21, 52.14 92.27 84.80 67
12 12/15/2023 22:49:42 70.11,-166.00 93.30 12/15/2023 22:50:09 70.11,-166.01 93.30 0.54 27
13 12/15/2023 23:40:24 -70.01, 1.46 86.80 12/15/2023 23:39:39 -70.00, 1.47 86.80 0.85 45

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/4/2023
SNOs_Map_NPP_LANDSAT-9_20231204.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/04/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9