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: 3/26/2023
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 03/28/2023 06:07:40 -70.65, -96.41 112.25 03/28/2023 06:08:50 -70.51, -95.24 112.44 45.78 70
2 03/28/2023 06:58:15 70.07, 71.82 67.13 03/28/2023 06:58:23 70.08, 71.77 67.13 1.98 8
3 03/28/2023 07:48:57 -69.97,-120.71 112.99 03/28/2023 07:47:53 -69.97,-120.76 112.99 1.85 64
4 03/30/2023 22:24:28 -70.17, 20.12 113.80 03/30/2023 22:25:20 -70.15, 20.12 113.84 2.69 52
5 03/30/2023 23:15:12 70.07,-172.41 66.07 03/30/2023 23:14:47 70.04,-172.39 66.05 3.13 25
6 03/31/2023 00:05:38 -69.12, -3.71 114.93 03/31/2023 00:04:31 -69.16, -5.95 114.81 89.07 67
7 04/02/2023 13:50:56 70.91, -32.63 65.95 04/02/2023 13:52:03 70.83, -30.61 65.80 74.06 67
8 04/02/2023 14:41:25 -70.13, 135.95 114.89 04/02/2023 14:41:44 -70.12, 135.97 114.91 1.38 19
9 04/02/2023 15:32:09 70.02, -56.58 64.99 04/02/2023 15:31:11 70.00, -56.55 64.97 2.58 58
10 04/05/2023 06:07:40 70.20, 84.29 64.17 04/05/2023 06:08:37 70.19, 84.35 64.15 2.38 57
11 04/05/2023 06:58:22 -70.09,-108.23 115.96 04/05/2023 06:58:07 -70.08,-108.18 115.97 2.36 15
12 04/05/2023 07:48:53 69.30, 60.25 63.21 04/05/2023 07:47:45 69.36, 58.48 63.33 69.77 68
13 04/07/2023 22:24:36 70.13,-159.84 63.08 04/07/2023 22:25:00 70.11,-159.87 63.05 3.10 24
14 04/07/2023 23:15:18 -70.02, 7.65 117.05 04/07/2023 23:14:30 -70.00, 7.61 117.07 3.00 48

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/26/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230326.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/26/2023 in txt file.

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