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: 9/15/2023
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 09/17/2023 13:51:11 -71.05, 147.18 111.23 09/17/2023 13:52:18 -70.96, 149.62 111.36 88.93 67
2 09/17/2023 14:41:39 70.09, -43.97 67.80 09/17/2023 14:41:59 70.10, -44.02 67.80 2.13 20
3 09/17/2023 15:32:21 -70.01, 123.47 112.28 09/17/2023 15:31:29 -69.98, 123.45 112.30 2.80 52
4 09/20/2023 06:07:49 -70.27, -95.79 111.00 09/20/2023 06:09:00 -70.23, -95.59 111.05 8.76 71
5 09/20/2023 06:58:31 70.05, 71.87 68.79 09/20/2023 06:58:28 70.07, 71.82 68.81 2.79 3
6 09/20/2023 07:49:12 -69.91,-120.61 111.34 09/20/2023 07:47:58 -69.96,-120.70 111.29 6.20 74
7 09/22/2023 22:24:39 -70.13, 20.21 110.10 09/22/2023 22:25:30 -70.12, 20.14 110.12 3.20 51
8 09/22/2023 23:15:23 70.02,-172.31 69.80 09/22/2023 23:14:57 70.01,-172.38 69.79 2.89 26
9 09/23/2023 00:05:48 -69.03, -3.56 111.19 09/23/2023 00:04:42 -69.07, -6.00 111.12 96.99 66
10 09/25/2023 14:41:31 -70.11, 136.02 109.09 09/25/2023 14:41:57 -70.13, 136.05 109.07 2.81 26
11 09/25/2023 15:32:15 69.99, -56.49 70.81 09/25/2023 15:31:24 70.02, -56.47 70.84 2.73 51
12 09/28/2023 06:07:41 70.23, 84.29 72.07 09/28/2023 06:08:53 70.21, 84.42 72.04 5.57 72
13 09/28/2023 06:58:21 -70.04,-108.09 108.12 09/28/2023 06:58:24 -70.05,-108.17 108.10 3.46 3
14 09/28/2023 07:49:04 69.87, 59.47 71.73 09/28/2023 07:47:52 69.88, 59.23 71.74 8.93 72

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/15/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230915.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 09/15/2023 in txt file.

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