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: 3/18/2023
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 03/20/2023 06:58:05 -70.10,-108.20 109.68 03/20/2023 06:58:33 -70.08,-108.25 109.70 3.35 28
2 03/20/2023 07:48:49 69.99, 59.28 70.20 03/20/2023 07:48:00 69.97, 59.24 70.19 2.87 49
3 03/22/2023 22:24:18 70.20,-159.89 69.38 03/22/2023 22:25:29 70.20,-159.83 69.36 1.92 71
4 03/22/2023 23:15:00 -70.09, 7.59 110.75 03/22/2023 23:14:59 -70.09, 7.64 110.76 2.23 1
5 03/23/2023 00:05:41 69.83, 175.30 68.96 03/23/2023 00:04:28 69.87, 174.98 69.02 12.91 73
6 03/25/2023 14:41:13 70.15, -44.04 68.26 03/25/2023 14:41:56 70.17, -44.00 68.27 2.56 43
7 03/25/2023 15:31:55 -70.04, 123.44 111.86 03/25/2023 15:31:26 -70.06, 123.49 111.85 2.59 29
8 03/28/2023 06:07:37 -70.89, -96.76 112.00 03/28/2023 06:08:45 -70.81, -94.80 112.16 72.12 68
9 03/28/2023 06:58:08 70.11, 71.80 67.17 03/28/2023 06:58:23 70.09, 71.79 67.15 1.70 15
10 03/28/2023 07:48:50 -70.00,-120.72 112.96 03/28/2023 07:47:53 -69.99,-120.72 112.97 1.40 57
11 03/30/2023 22:24:19 -70.18, 20.16 113.80 03/30/2023 22:25:22 -70.15, 20.12 113.83 2.70 63
12 03/30/2023 23:15:03 70.08,-172.39 66.09 03/30/2023 23:14:48 70.09,-172.32 66.10 2.73 15
13 03/31/2023 00:05:36 -69.50, -4.20 114.54 03/31/2023 00:04:26 -69.55, -5.44 114.44 48.56 70

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/18/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230318.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/18/2023 in txt file.

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