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: 1/19/2023
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 01/20/2023 14:40:55 70.50, -44.56 90.62 01/20/2023 14:42:06 70.36, -43.65 90.44 36.94 71
2 01/20/2023 15:31:30 -70.05, 123.46 89.86 01/20/2023 15:31:40 -70.03, 123.51 89.89 2.94 10
3 01/20/2023 16:22:14 69.92, -69.04 90.00 01/20/2023 16:21:07 69.92, -69.00 90.01 1.49 67
4 01/23/2023 06:57:43 70.11, 71.82 89.62 01/23/2023 06:58:35 70.12, 71.89 89.61 2.84 52
5 01/23/2023 07:48:24 -69.98,-120.66 90.53 01/23/2023 07:48:05 -70.00,-120.63 90.51 2.90 19
6 01/23/2023 08:38:53 69.06, 47.99 88.50 01/23/2023 08:37:46 69.12, 45.82 88.65 86.32 67
7 01/25/2023 23:14:37 70.06,-172.32 88.92 01/25/2023 23:15:00 70.04,-172.31 88.90 1.77 23
8 01/26/2023 00:05:18 -69.92, -4.80 91.24 01/26/2023 00:04:30 -69.93, -4.83 91.22 1.82 48
9 01/28/2023 14:40:46 -70.13, 136.03 91.68 01/28/2023 14:41:55 -70.15, 136.10 91.68 3.05 69
10 01/28/2023 15:31:30 70.01, -56.48 88.19 01/28/2023 15:31:22 70.03, -56.42 88.20 2.94 8
11 01/28/2023 16:22:08 -69.71, 111.29 92.14 01/28/2023 16:20:55 -69.76, 110.83 92.07 18.27 73
12 01/31/2023 06:57:40 -70.09,-108.13 92.45 01/31/2023 06:58:18 -70.09,-108.07 92.46 2.17 38
13 01/31/2023 07:48:24 69.98, 59.35 87.43 01/31/2023 07:47:45 69.97, 59.40 87.43 2.03 39

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/19/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230119.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/19/2023 in txt file.

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