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: 11/9/2023
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 11/11/2023 06:33:07 70.17, 78.10 87.42 11/11/2023 06:33:50 70.14, 78.11 87.40 2.76 43
2 11/11/2023 07:23:48 -70.04,-114.38 92.70 11/11/2023 07:23:20 -70.03,-114.42 92.71 1.67 28
3 11/13/2023 21:59:32 -71.03, 25.18 91.00 11/13/2023 22:00:39 -70.92, 27.51 91.10 85.41 67
4 11/13/2023 22:50:01 70.12,-166.05 88.10 11/13/2023 22:50:19 70.11,-166.05 88.09 1.06 18
5 11/13/2023 23:40:42 -69.98, 1.47 92.03 11/13/2023 23:39:49 -70.00, 1.42 92.02 2.35 53
6 11/16/2023 14:16:11 -70.20, 142.28 91.14 11/16/2023 14:17:20 -70.19, 142.30 91.16 2.12 69
7 11/16/2023 15:06:55 70.08, -50.23 88.75 11/16/2023 15:06:47 70.08, -50.21 88.74 1.01 8
8 11/16/2023 15:57:32 -69.74, 117.61 91.60 11/16/2023 15:56:20 -69.80, 117.04 91.53 23.21 72
9 11/19/2023 06:33:04 -70.18,-101.92 90.52 11/19/2023 06:33:46 -70.16,-101.85 90.54 3.43 42
10 11/19/2023 07:23:48 70.06, 65.57 89.37 11/19/2023 07:23:13 70.05, 65.64 89.36 3.03 35
11 11/21/2023 21:59:26 70.79,-154.43 90.69 11/21/2023 22:00:34 70.68,-152.82 90.58 60.14 68
12 11/21/2023 22:49:57 -70.12, 13.95 89.98 11/21/2023 22:50:12 -70.13, 14.01 89.96 3.00 15
13 11/21/2023 23:40:41 70.00,-178.56 89.92 11/21/2023 23:39:39 70.02,-178.51 89.93 2.84 62

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/9/2023
SNOs_Map_NPP_LANDSAT-9_20231109.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 11/09/2023 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9