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: 3/27/2023
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 06:07:39 -70.64, -96.39 112.26 03/28/2023 06:08:49 -70.53, -95.22 112.42 44.94 70
2 03/28/2023 06:58:15 70.11, 71.76 67.17 03/28/2023 06:58:22 70.10, 71.79 67.15 2.20 7
3 03/28/2023 07:48:56 -69.96,-120.70 113.01 03/28/2023 07:47:52 -69.98,-120.74 112.98 2.72 64
4 03/30/2023 22:24:28 -70.16, 20.14 113.82 03/30/2023 22:25:20 -70.18, 20.16 113.81 2.11 52
5 03/30/2023 23:15:12 70.05,-172.38 66.06 03/30/2023 23:14:47 70.07,-172.35 66.08 2.30 25
6 03/31/2023 00:05:38 -69.10, -3.69 114.95 03/31/2023 00:04:31 -69.18, -5.92 114.79 88.88 67
7 04/02/2023 13:50:57 70.95, -32.68 65.98 04/02/2023 13:52:04 70.82, -30.63 65.79 76.01 67
8 04/02/2023 14:41:25 -70.11, 135.98 114.92 04/02/2023 14:41:45 -70.11, 135.95 114.92 1.31 20
9 04/02/2023 15:32:09 70.00, -56.55 64.97 04/02/2023 15:31:12 69.99, -56.56 64.96 1.16 57
10 04/05/2023 06:07:40 70.17, 84.33 64.14 04/05/2023 06:08:39 70.15, 84.28 64.11 3.14 59
11 04/05/2023 06:58:22 -70.07,-108.19 115.99 04/05/2023 06:58:08 -70.10,-108.16 115.96 3.31 14
12 04/05/2023 07:48:54 69.33, 60.21 63.24 04/05/2023 07:47:46 69.37, 58.49 63.34 67.62 68
13 04/07/2023 22:24:36 70.15,-159.87 63.10 04/07/2023 22:25:00 70.15,-159.82 63.09 1.78 24
14 04/07/2023 23:15:18 -70.04, 7.62 117.03 04/07/2023 23:14:30 -70.04, 7.66 117.03 1.70 48

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/27/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230327.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/27/2023 in txt file.

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