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: 8/26/2023
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 08/27/2023 06:08:05 70.16, 84.35 59.98 08/27/2023 06:08:50 70.15, 84.32 59.96 1.67 45
2 08/27/2023 06:58:47 -70.07,-108.20 120.11 08/27/2023 06:58:19 -70.09,-108.13 120.09 3.15 28
3 08/29/2023 22:24:58 70.12,-159.81 60.87 08/29/2023 22:25:21 70.13,-159.84 60.88 1.54 23
4 08/29/2023 23:15:40 -70.03, 7.65 119.22 08/29/2023 23:14:51 -70.02, 7.63 119.22 1.41 49
5 09/01/2023 13:51:11 -70.40, 148.22 117.89 09/01/2023 13:52:22 -70.34, 148.71 117.97 19.39 71
6 09/01/2023 14:41:51 70.08, -43.98 61.79 09/01/2023 14:41:52 70.07, -44.04 61.78 2.32 1
7 09/01/2023 15:32:33 -69.99, 123.48 118.30 09/01/2023 15:31:22 -69.97, 123.44 118.31 2.59 71
8 09/04/2023 06:07:59 -70.16, -95.63 117.18 09/04/2023 06:08:54 -70.16, -95.68 117.17 1.82 55
9 09/04/2023 06:58:43 70.05, 71.84 62.73 09/04/2023 06:58:21 70.05, 71.81 62.74 1.29 22
10 09/04/2023 07:49:11 -69.21,-119.62 118.12 09/04/2023 07:48:03 -69.29,-121.60 118.00 78.50 68
11 09/06/2023 22:24:52 -70.13, 20.19 116.22 09/06/2023 22:25:24 -70.12, 20.15 116.23 1.90 32
12 09/06/2023 23:15:36 70.02,-172.34 63.69 09/06/2023 23:14:51 70.00,-172.37 63.68 2.21 45

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/26/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230826.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 08/26/2023 in txt file.

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