Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/31/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 09/01/2023 13:51:11 -70.42, 148.19 117.88 09/01/2023 13:52:22 -70.34, 148.69 117.98 20.81 71
2 09/01/2023 14:41:51 70.09, -43.99 61.80 09/01/2023 14:41:52 70.07, -44.04 61.78 2.66 1
3 09/01/2023 15:32:33 -70.00, 123.46 118.28 09/01/2023 15:31:21 -70.01, 123.51 118.27 2.39 72
4 09/04/2023 06:08:00 -70.17, -95.65 117.16 09/04/2023 06:08:55 -70.16, -95.68 117.17 1.24 55
5 09/04/2023 06:58:44 70.06, 71.83 62.74 09/04/2023 06:58:22 70.06, 71.82 62.74 0.52 22
6 09/04/2023 07:49:12 -69.23,-119.64 118.11 09/04/2023 07:48:04 -69.29,-121.60 117.99 77.59 68
7 09/06/2023 22:24:52 -70.14, 20.17 116.20 09/06/2023 22:25:24 -70.13, 20.16 116.22 1.20 32
8 09/06/2023 23:15:36 70.03,-172.35 63.70 09/06/2023 23:14:51 70.02,-172.35 63.69 0.76 45
9 09/09/2023 13:51:09 70.52, -31.98 65.19 09/09/2023 13:52:20 70.39, -31.21 65.03 32.03 71
10 09/09/2023 14:41:45 -70.11, 135.98 115.23 09/09/2023 14:41:53 -70.13, 136.04 115.22 2.62 8
11 09/09/2023 15:32:29 70.00, -56.54 64.67 09/09/2023 15:31:20 70.01, -56.48 64.69 2.76 69
12 09/12/2023 06:07:56 70.19, 84.32 65.85 09/12/2023 06:08:52 70.20, 84.40 65.86 3.16 56
13 09/12/2023 06:58:37 -70.04,-108.13 114.29 09/12/2023 06:58:23 -70.05,-108.19 114.29 2.20 14
14 09/12/2023 07:49:09 69.29, 60.27 64.96 09/12/2023 07:48:01 69.32, 58.46 65.02 71.00 68

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/31/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230831.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 08/31/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-9