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: 4/12/2024
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 04/13/2024 21:59:26 70.22,-153.65 60.68 04/13/2024 22:00:35 70.20,-153.69 60.65 2.28 69
2 04/13/2024 22:50:08 -70.13, 13.79 119.42 04/13/2024 22:50:04 -70.14, 13.87 119.42 3.07 4
3 04/13/2024 23:40:47 69.74,-178.31 60.16 04/13/2024 23:39:35 69.81,-178.95 60.26 25.60 72
4 04/16/2024 14:16:21 70.17, -37.82 59.67 04/16/2024 14:17:02 70.16, -37.85 59.66 1.31 41
5 04/16/2024 15:07:03 -70.08, 129.64 120.43 04/16/2024 15:06:32 -70.06, 129.63 120.46 2.64 31
6 04/19/2024 05:42:44 -70.87, -90.48 120.52 04/19/2024 05:43:52 -70.76, -88.72 120.68 65.52 68
7 04/19/2024 06:33:16 70.13, 78.01 58.70 04/19/2024 06:33:28 70.16, 78.03 58.72 3.30 12
8 04/19/2024 07:23:58 -70.04,-114.53 121.41 04/19/2024 07:22:58 -70.05,-114.49 121.40 2.58 60
9 04/21/2024 21:59:27 -70.21, 26.34 122.13 04/21/2024 22:00:28 -70.19, 26.32 122.15 2.41 61
10 04/21/2024 22:50:11 70.10,-166.18 57.75 04/21/2024 22:49:55 70.07,-166.20 57.72 3.33 16
11 04/21/2024 23:40:43 -69.48, 2.06 122.91 04/21/2024 23:39:33 -69.53, 0.68 122.82 54.19 70
12 04/24/2024 14:16:21 -70.18, 142.15 123.04 04/24/2024 14:16:52 -70.19, 142.21 123.04 2.20 31
13 04/24/2024 15:07:05 70.08, -50.38 56.84 04/24/2024 15:06:19 70.07, -50.32 56.83 2.67 46

Figure of NPP and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/12/2024
SNOs_Map_NPP_LANDSAT-9_20240412.jpg

Download SNOs between NPP and LANDSAT-9 since TLE EPOCH: 04/12/2024 in txt file.

Historial Predications of SNOs between NPP and LANDSAT-9