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: 9/21/2023
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 09/22/2023 22:24:39 -70.15, 20.18 110.09 09/22/2023 22:25:29 -70.17, 20.21 110.07 2.24 50
2 09/22/2023 23:15:23 70.03,-172.32 69.81 09/22/2023 23:14:57 70.01,-172.38 69.79 2.81 26
3 09/23/2023 00:05:48 -69.05, -3.59 111.18 09/23/2023 00:04:41 -69.13, -5.94 111.07 93.68 67
4 09/25/2023 14:41:31 -70.13, 136.00 109.07 09/25/2023 14:41:57 -70.13, 136.05 109.07 2.08 26
5 09/25/2023 15:32:15 70.01, -56.51 70.83 09/25/2023 15:31:24 70.03, -56.46 70.84 2.86 51
6 09/28/2023 06:07:43 70.30, 84.19 72.14 09/28/2023 06:08:53 70.28, 84.52 72.11 12.57 70
7 09/28/2023 06:58:22 -70.06,-108.12 108.10 09/28/2023 06:58:25 -70.06,-108.16 108.09 1.53 3
8 09/28/2023 07:49:05 69.89, 59.45 71.75 09/28/2023 07:47:53 69.89, 59.25 71.76 7.61 72
9 09/30/2023 22:24:31 70.14,-159.78 73.02 09/30/2023 22:25:21 70.11,-159.82 72.99 3.17 50
10 09/30/2023 23:15:13 -70.05, 7.67 107.06 09/30/2023 23:14:50 -70.07, 7.74 107.05 3.09 23
11 10/01/2023 00:05:39 68.98, 176.53 71.87 10/01/2023 00:04:33 69.06, 174.03 71.97 99.83 66
12 10/03/2023 14:41:22 70.09, -43.93 74.00 10/03/2023 14:41:47 70.08, -43.98 73.99 2.28 25
13 10/03/2023 15:32:04 -70.01, 123.52 106.08 10/03/2023 15:31:17 -69.98, 123.51 106.10 2.96 47

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/21/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230921.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 09/21/2023 in txt file.

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