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: 11/21/2023
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 11/23/2023 06:58:04 70.09, 71.84 90.28 11/23/2023 06:58:41 70.07, 71.80 90.26 2.85 37
2 11/23/2023 07:48:46 -70.00,-120.70 89.81 11/23/2023 07:48:10 -70.01,-120.65 89.79 2.81 36
3 11/25/2023 22:24:27 -70.74, 19.26 88.53 11/25/2023 22:25:36 -70.67, 20.90 88.61 60.91 69
4 11/25/2023 23:15:00 70.06,-172.35 90.79 11/25/2023 23:15:12 70.07,-172.33 90.80 1.40 12
5 11/26/2023 00:05:42 -69.96, -4.88 89.31 11/26/2023 00:04:42 -69.96, -4.85 89.31 1.35 60
6 11/28/2023 14:41:12 -70.14, 135.99 88.65 11/28/2023 14:42:16 -70.16, 136.03 88.63 2.60 64
7 11/28/2023 15:31:56 70.03, -56.54 91.26 11/28/2023 15:31:43 70.05, -56.48 91.27 2.89 13
8 11/28/2023 16:22:31 -69.56, 111.47 89.21 11/28/2023 16:21:19 -69.62, 110.55 89.16 36.38 72
9 12/01/2023 06:58:07 -70.12,-108.22 88.22 12/01/2023 06:58:46 -70.12,-108.15 88.22 2.44 39
10 12/01/2023 07:48:50 69.96, 59.33 91.63 12/01/2023 07:48:14 69.95, 59.26 91.62 2.90 36
11 12/03/2023 22:24:30 70.69,-160.67 92.75 12/03/2023 22:25:39 70.60,-159.20 92.65 54.68 69
12 12/03/2023 23:15:02 -70.05, 7.65 87.89 12/03/2023 23:15:17 -70.06, 7.64 87.88 1.43 15
13 12/04/2023 00:05:46 69.95, 175.11 92.02 12/04/2023 00:04:44 69.95, 175.13 92.01 0.74 62

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/21/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231121.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 11/21/2023 in txt file.

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