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: 10/14/2024
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 10/14/2024 22:48:51 70.79,-167.02 79.29 10/14/2024 22:49:59 70.68,-165.23 79.18 66.99 68
2 10/14/2024 23:39:20 -70.02, 1.52 101.48 10/14/2024 23:39:39 -70.03, 1.45 101.47 3.00 19
3 10/15/2024 00:30:05 69.95, 168.93 78.47 10/15/2024 00:29:06 69.92, 168.94 78.44 3.39 59
4 10/17/2024 15:05:36 70.11, -50.18 79.59 10/17/2024 15:06:40 70.11, -50.19 79.58 0.18 64
5 10/17/2024 15:56:18 -70.02, 117.27 100.50 10/17/2024 15:56:10 -70.01, 117.30 100.51 1.69 8
6 10/17/2024 16:46:54 69.48, -74.61 78.98 10/17/2024 16:45:43 69.57, -75.67 79.06 42.08 71
7 10/20/2024 07:22:32 70.09, 65.62 80.53 10/20/2024 07:23:09 70.08, 65.65 80.52 1.40 37
8 10/20/2024 08:13:14 -69.99,-126.92 99.56 10/20/2024 08:12:39 -69.98,-126.85 99.57 2.98 35
9 10/22/2024 22:48:54 -70.67, 13.15 97.96 10/22/2024 22:50:04 -70.55, 14.57 98.08 54.11 70
10 10/22/2024 23:39:28 70.03,-178.53 81.42 10/22/2024 23:39:38 70.05,-178.51 81.43 2.18 10
11 10/23/2024 00:30:10 -69.94, -11.07 98.67 10/23/2024 00:29:08 -69.95, -11.02 98.66 2.57 62
12 10/25/2024 15:05:40 -70.11, 129.81 97.60 10/25/2024 15:06:39 -70.12, 129.85 97.58 2.41 59
13 10/25/2024 15:56:24 69.99, -62.71 82.31 10/25/2024 15:56:06 70.00, -62.68 82.31 1.66 18
14 10/25/2024 16:46:55 -69.32, 105.59 98.36 10/25/2024 16:45:45 -69.41, 104.14 98.27 57.95 70

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/14/2024
SNOs_Map_NPP_LANDSAT-9_20241014.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 10/14/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9