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: 3/23/2023
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 03/25/2023 14:41:18 70.14, -44.05 68.26 03/25/2023 14:41:57 70.14, -44.04 68.25 0.93 39
2 03/25/2023 15:32:00 -70.04, 123.42 111.86 03/25/2023 15:31:27 -70.03, 123.44 111.88 2.20 33
3 03/28/2023 06:07:40 -70.65, -96.40 112.26 03/28/2023 06:08:50 -70.56, -95.18 112.40 46.08 70
4 03/28/2023 06:58:14 70.07, 71.82 67.13 03/28/2023 06:58:23 70.07, 71.75 67.12 2.73 9
5 03/28/2023 07:48:56 -69.97,-120.70 113.00 03/28/2023 07:47:53 -69.96,-120.77 113.00 2.72 63
6 03/30/2023 22:24:28 -70.16, 20.13 113.82 03/30/2023 22:25:21 -70.18, 20.16 113.81 2.26 53
7 03/30/2023 23:15:12 70.06,-172.40 66.07 03/30/2023 23:14:48 70.07,-172.36 66.08 1.96 24
8 03/31/2023 00:05:39 -69.16, -3.77 114.89 03/31/2023 00:04:32 -69.19, -5.92 114.78 84.97 67
9 04/02/2023 13:50:58 71.01, -32.79 66.05 04/02/2023 13:52:05 70.86, -30.58 65.82 81.95 67
10 04/02/2023 14:41:25 -70.11, 135.98 114.91 04/02/2023 14:41:47 -70.09, 135.93 114.93 2.95 22
11 04/02/2023 15:32:09 70.01, -56.56 64.98 04/02/2023 15:31:13 70.03, -56.51 65.00 2.85 56
12 04/05/2023 06:07:40 70.19, 84.31 64.16 04/05/2023 06:08:41 70.18, 84.31 64.14 0.67 61
13 04/05/2023 06:58:22 -70.08,-108.20 115.98 04/05/2023 06:58:11 -70.07,-108.21 115.98 0.24 11
14 04/05/2023 07:48:56 69.45, 60.04 63.36 04/05/2023 07:47:46 69.51, 58.67 63.47 54.08 70

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/23/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230323.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/23/2023 in txt file.

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