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: 4/8/2023
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 04/10/2023 13:51:03 -70.95, 147.30 117.06 04/10/2023 13:52:10 -70.85, 149.37 117.22 75.95 67
2 04/10/2023 14:41:33 70.10, -44.03 62.05 04/10/2023 14:41:49 70.09, -44.11 62.04 2.95 16
3 04/10/2023 15:32:15 -70.01, 123.43 118.07 04/10/2023 15:31:18 -70.04, 123.44 118.03 3.14 57
4 04/13/2023 06:07:46 -70.20, -95.72 118.83 04/13/2023 06:08:49 -70.19, -95.73 118.85 0.99 63
5 04/13/2023 06:58:30 70.09, 71.76 61.05 04/13/2023 06:58:16 70.08, 71.76 61.04 0.53 14
6 04/13/2023 07:49:03 -69.51,-120.07 119.56 04/13/2023 07:47:53 -69.59,-121.29 119.45 48.28 70
7 04/15/2023 22:24:42 -70.13, 20.15 119.86 04/15/2023 22:25:16 -70.15, 20.09 119.85 2.58 34
8 04/15/2023 23:15:25 70.03,-172.38 60.02 04/15/2023 23:14:42 70.04,-172.42 60.03 1.99 43
9 04/18/2023 13:50:58 70.34, -31.72 59.42 04/18/2023 13:52:10 70.29, -31.45 59.35 11.57 72
10 04/18/2023 14:41:38 -70.13, 135.92 120.81 04/18/2023 14:41:41 -70.13, 135.95 120.82 1.28 3
11 04/18/2023 15:32:21 69.97, -56.53 59.01 04/18/2023 15:31:09 69.96, -56.64 59.01 4.56 72
12 04/21/2023 06:07:52 70.19, 84.28 58.34 04/21/2023 06:08:37 70.18, 84.28 58.32 0.98 45
13 04/21/2023 06:58:34 -70.08,-108.24 121.79 04/21/2023 06:58:07 -70.07,-108.23 121.80 1.18 27

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/8/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230408.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/08/2023 in txt file.

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