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: 8/1/2023
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 08/02/2023 15:17:24 -70.85, 125.50 126.82 08/02/2023 15:18:32 -70.74, 127.68 127.02 80.46 68
2 08/02/2023 16:07:54 70.00, -65.85 52.30 08/02/2023 16:08:11 69.99, -65.78 52.28 3.11 17
3 08/02/2023 16:58:35 -69.86, 101.68 127.85 08/02/2023 16:57:41 -69.87, 101.69 127.83 1.60 54
4 08/05/2023 07:34:03 -70.16,-117.62 126.84 08/05/2023 07:35:14 -70.13,-117.35 126.90 11.06 71
5 08/05/2023 08:24:45 69.95, 50.01 52.94 08/05/2023 08:24:43 69.92, 50.00 52.91 3.33 2
6 08/05/2023 09:15:26 -69.80,-142.46 127.20 08/05/2023 09:14:13 -69.81,-142.53 127.19 2.72 73
7 08/07/2023 23:50:52 -70.01, -1.61 126.27 08/07/2023 23:51:46 -70.03, -1.61 126.26 2.72 54
8 08/08/2023 00:41:36 69.90, 165.86 53.63 08/08/2023 00:41:13 69.93, 165.89 53.66 3.36 23
9 08/08/2023 01:32:03 -69.06, -25.62 127.24 08/08/2023 01:30:55 -69.10, -27.59 127.12 78.35 68
10 08/10/2023 16:07:42 -69.97, 114.24 125.55 08/10/2023 16:08:16 -69.96, 114.18 125.56 2.21 34
11 08/10/2023 16:58:26 69.86, -78.30 54.36 08/10/2023 16:57:43 69.86, -78.32 54.36 1.11 43
12 08/13/2023 07:34:00 70.50, 61.87 55.81 08/13/2023 07:35:10 70.36, 63.00 55.61 45.12 70
13 08/13/2023 08:24:33 -69.93,-129.93 124.79 08/13/2023 08:24:46 -69.92,-129.99 124.80 2.64 13
14 08/13/2023 09:15:17 69.83, 37.54 55.12 08/13/2023 09:14:13 69.81, 37.50 55.11 2.16 64

Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/1/2023
SNOs_Map_NOAA-21_LANDSAT-9_20230801.jpg

Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 08/01/2023 in txt file.

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