Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/22/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 09/22/2023 07:34:15 -70.85,-118.78 109.60 09/22/2023 07:35:22 -70.70,-116.52 109.78 84.39 67
2 09/22/2023 08:24:44 69.93, 49.97 69.48 09/22/2023 08:25:01 69.95, 50.02 69.49 2.40 17
3 09/22/2023 09:15:25 -69.80,-142.51 110.65 09/22/2023 09:14:31 -69.83,-142.50 110.62 3.24 54
4 09/24/2023 23:50:54 -70.00, -1.67 109.43 09/24/2023 23:52:02 -70.02, -1.63 109.42 2.59 68
5 09/25/2023 00:41:38 69.88, 165.82 70.46 09/25/2023 00:41:30 69.86, 165.79 70.44 2.50 8
6 09/25/2023 01:32:15 -69.54, -26.35 109.88 09/25/2023 01:31:03 -69.58, -26.95 109.82 24.03 72
7 09/27/2023 16:07:48 -69.96, 114.17 108.44 09/27/2023 16:08:30 -69.96, 114.18 108.44 0.36 42
8 09/27/2023 16:58:32 69.84, -78.34 71.46 09/27/2023 16:57:57 69.85, -78.33 71.47 1.16 35
9 09/30/2023 07:34:09 70.54, 61.72 73.19 09/30/2023 07:35:18 70.46, 63.16 73.09 54.28 69
10 09/30/2023 08:24:41 -69.92,-130.01 107.43 09/30/2023 08:24:56 -69.91,-129.99 107.44 1.36 15
11 09/30/2023 09:15:25 69.81, 37.47 72.47 09/30/2023 09:14:23 69.80, 37.49 72.46 1.18 62
12 10/02/2023 23:50:53 69.99, 178.34 73.67 10/02/2023 23:51:52 69.99, 178.38 73.66 1.51 59
13 10/03/2023 00:41:35 -69.90, -14.20 106.42 10/03/2023 00:41:22 -69.89, -14.13 106.43 3.16 13
14 10/03/2023 01:32:08 69.20, 154.12 72.89 10/03/2023 01:30:58 69.27, 152.68 72.97 57.20 70
15 10/05/2023 16:07:46 69.93, -65.79 74.63 10/05/2023 16:08:18 69.92, -65.81 74.63 0.91 32
16 10/05/2023 16:58:28 -69.84, 101.67 105.45 10/05/2023 16:57:48 -69.82, 101.68 105.47 1.40 40

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/22/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230922.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 09/22/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and LANDSAT-9