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: 10/23/2023
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 10/24/2023 23:14:36 70.10,-172.27 81.91 10/24/2023 23:15:07 70.08,-172.30 81.89 2.44 31
2 10/25/2023 00:05:17 -70.02, -4.83 98.16 10/25/2023 00:04:35 -70.02, -4.75 98.16 2.92 42
3 10/27/2023 14:40:50 -70.70, 135.26 96.59 10/27/2023 14:41:59 -70.59, 136.70 96.69 53.99 69
4 10/27/2023 15:31:24 70.06, -56.42 82.79 10/27/2023 15:31:34 70.05, -56.45 82.78 1.31 10
5 10/27/2023 16:22:05 -69.92, 111.10 97.34 10/27/2023 16:21:04 -69.94, 111.03 97.32 3.61 61
6 10/30/2023 06:57:29 -70.14,-108.06 96.25 10/30/2023 06:58:34 -70.15,-108.06 96.24 1.60 65
7 10/30/2023 07:48:13 70.03, 59.41 83.65 10/30/2023 07:48:01 70.05, 59.43 83.67 1.80 12
8 10/30/2023 08:38:48 -69.57,-132.59 96.80 10/30/2023 08:37:37 -69.61,-133.54 96.77 37.17 71
9 11/01/2023 23:14:18 -70.12, 7.76 95.41 11/01/2023 23:15:01 -70.12, 7.78 95.41 0.76 43
10 11/02/2023 00:05:02 70.01, 175.23 84.50 11/02/2023 00:04:28 70.00, 175.27 84.49 1.72 34
11 11/04/2023 14:40:39 70.94, -45.07 86.25 11/04/2023 14:41:46 70.80, -42.94 86.11 79.25 67
12 11/04/2023 15:31:07 -70.11, 123.57 94.58 11/04/2023 15:31:27 -70.09, 123.64 94.60 3.08 20
13 11/04/2023 16:21:49 69.95, -68.88 85.28 11/04/2023 16:20:53 69.98, -68.87 85.30 2.83 56

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/23/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231023.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 10/23/2023 in txt file.

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