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: 8/30/2023
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 -70.41, 148.20 117.88 09/01/2023 13:52:22 -70.34, 148.70 117.97 20.34 71
2 09/01/2023 14:41:51 70.09, -43.99 61.80 09/01/2023 14:41:52 70.08, -44.04 61.79 2.12 1
3 09/01/2023 15:32:33 -70.00, 123.46 118.29 09/01/2023 15:31:21 -70.02, 123.52 118.26 3.12 72
4 09/04/2023 06:08:00 -70.17, -95.64 117.17 09/04/2023 06:08:55 -70.17, -95.67 117.17 0.99 55
5 09/04/2023 06:58:44 70.05, 71.84 62.74 09/04/2023 06:58:22 70.06, 71.82 62.75 1.17 22
6 09/04/2023 07:49:12 -69.22,-119.63 118.11 09/04/2023 07:48:04 -69.29,-121.59 117.99 77.73 68
7 09/06/2023 22:24:52 -70.13, 20.18 116.21 09/06/2023 22:25:24 -70.13, 20.16 116.21 0.47 32
8 09/06/2023 23:15:36 70.02,-172.35 63.69 09/06/2023 23:14:51 70.02,-172.35 63.70 0.07 45
9 09/09/2023 13:51:09 70.52, -31.97 65.18 09/09/2023 13:52:20 70.40, -31.20 65.04 31.68 71
10 09/09/2023 14:41:45 -70.11, 135.99 115.23 09/09/2023 14:41:53 -70.13, 136.04 115.22 3.12 8
11 09/09/2023 15:32:29 70.00, -56.54 64.67 09/09/2023 15:31:20 70.02, -56.47 64.69 3.04 69
12 09/12/2023 06:07:56 70.18, 84.33 65.85 09/12/2023 06:08:52 70.20, 84.40 65.86 3.33 56
13 09/12/2023 06:58:37 -70.04,-108.13 114.30 09/12/2023 06:58:23 -70.05,-108.19 114.29 2.58 14
14 09/12/2023 07:49:09 69.29, 60.27 64.96 09/12/2023 07:48:01 69.32, 58.47 65.02 71.12 68

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/30/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230830.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 08/30/2023 in txt file.

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