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: 2/22/2023
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 02/24/2023 06:57:47 70.11, 71.84 79.68 02/24/2023 06:58:38 70.10, 71.81 79.66 1.26 51
2 02/24/2023 07:48:29 -70.02,-120.70 100.44 02/24/2023 07:48:08 -69.99,-120.72 100.46 3.39 21
3 02/24/2023 08:38:56 68.99, 48.08 78.48 02/24/2023 08:37:50 69.05, 45.67 78.65 96.56 66
4 02/26/2023 22:24:16 -70.99, 18.87 100.38 02/26/2023 22:25:23 -70.86, 21.18 100.61 85.15 67
5 02/26/2023 23:14:45 70.09,-172.38 78.66 02/26/2023 23:15:02 70.10,-172.30 78.66 2.86 17
6 02/27/2023 00:05:26 -69.94, -4.83 101.51 02/27/2023 00:04:33 -69.93, -4.91 101.52 3.30 53
7 03/01/2023 14:40:58 -70.14, 136.00 102.29 03/01/2023 14:42:00 -70.11, 135.98 102.33 3.19 62
8 03/01/2023 15:31:42 70.03, -56.52 77.58 03/01/2023 15:31:27 70.00, -56.54 77.55 3.50 15
9 03/01/2023 16:22:15 -69.46, 111.65 103.04 03/01/2023 16:21:04 -69.51, 110.42 102.93 48.30 71
10 03/04/2023 06:57:54 -70.09,-108.15 103.38 03/04/2023 06:58:22 -70.10,-108.14 103.38 1.29 28
11 03/04/2023 07:48:38 69.98, 59.32 76.50 03/04/2023 07:47:49 69.98, 59.34 76.51 0.94 49
12 03/06/2023 22:24:09 70.15,-159.80 75.67 03/06/2023 22:25:15 70.16,-159.79 75.66 0.81 66
13 03/06/2023 23:14:51 -70.04, 7.68 104.47 03/06/2023 23:14:45 -70.05, 7.69 104.46 0.85 6
14 03/07/2023 00:05:28 69.57, 175.69 75.03 03/07/2023 00:04:17 69.65, 174.79 75.16 36.13 71

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/22/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230222.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 02/22/2023 in txt file.

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