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: 12/1/2023
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, 141.64 87.53 12/02/2023 14:17:23 -70.49, 142.70 87.66 41.21 71
2 12/02/2023 15:06:49 70.11, -50.28 91.98 12/02/2023 15:06:55 70.11, -50.21 91.98 2.78 6
3 12/02/2023 15:57:30 -69.98, 117.24 88.15 12/02/2023 15:56:25 -70.00, 117.27 88.14 1.83 65
4 12/05/2023 06:32:57 -70.17,-101.89 87.60 12/05/2023 06:33:56 -70.17,-101.87 87.60 0.83 59
5 12/05/2023 07:23:41 70.05, 65.60 92.29 12/05/2023 07:23:23 70.07, 65.62 92.30 2.18 18
6 12/05/2023 08:14:12 -69.38,-126.10 88.38 12/05/2023 08:13:02 -69.46,-127.58 88.30 58.56 70
7 12/07/2023 22:49:49 -70.11, 13.98 87.34 12/07/2023 22:50:23 -70.14, 13.97 87.31 3.38 34
8 12/07/2023 23:40:34 70.04,-178.62 92.60 12/07/2023 23:39:50 70.03,-178.54 92.59 3.43 44
9 12/10/2023 14:16:04 70.47, -38.13 93.30 12/10/2023 14:17:15 70.38, -37.41 93.20 28.22 71
10 12/10/2023 15:06:40 -70.06, 129.83 87.12 12/10/2023 15:06:49 -70.06, 129.75 87.13 3.02 9
11 12/10/2023 15:57:24 69.95, -62.70 92.78 12/10/2023 15:56:16 69.94, -62.77 92.77 2.79 68
12 12/13/2023 06:32:50 70.12, 78.19 93.16 12/13/2023 06:33:44 70.14, 78.14 93.18 2.97 54
13 12/13/2023 07:23:32 -70.03,-114.35 86.94 12/13/2023 07:23:14 -70.04,-114.38 86.93 1.57 18

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/1/2023
SNOs_Map_NPP_LANDSAT-9_20231201.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 12/01/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9