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: 1/30/2023
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 01/31/2023 06:57:40 -70.10,-108.14 92.44 01/31/2023 06:58:52 -70.11,-108.20 92.44 2.54 72
2 01/31/2023 07:48:25 70.02, 59.28 87.48 01/31/2023 07:48:19 70.01, 59.30 87.46 2.04 6
3 01/31/2023 08:39:03 -69.73,-132.97 92.84 01/31/2023 08:37:51 -69.79,-133.38 92.76 16.62 72
4 02/02/2023 23:14:35 -70.11, 7.61 93.19 02/02/2023 23:15:23 -70.10, 7.65 93.21 2.19 48
5 02/03/2023 00:05:19 69.99, 175.11 86.68 02/03/2023 00:04:50 69.99, 175.15 86.69 1.69 29
6 02/05/2023 14:41:04 71.06, -45.46 87.04 02/05/2023 14:42:10 70.94, -42.86 86.80 94.94 66
7 02/05/2023 15:31:29 -70.08, 123.44 94.02 02/05/2023 15:31:54 -70.06, 123.47 94.04 2.13 25
8 02/05/2023 16:22:13 69.96, -69.07 85.85 02/05/2023 16:21:21 69.95, -69.03 85.86 1.64 52
9 02/08/2023 06:57:41 70.19, 71.72 85.30 02/08/2023 06:58:53 70.17, 71.86 85.25 6.20 72
10 02/08/2023 07:48:21 -70.00,-120.66 94.93 02/08/2023 07:48:24 -70.00,-120.73 94.92 2.98 3
11 02/08/2023 08:39:04 69.83, 46.90 84.89 02/08/2023 08:37:52 69.84, 46.68 84.92 8.41 72
12 02/10/2023 23:14:33 70.07,-172.31 84.30 02/10/2023 23:15:24 70.09,-172.38 84.31 2.98 51
13 02/11/2023 00:05:15 -69.97, -4.85 95.81 02/11/2023 00:04:54 -69.98, -4.89 95.80 1.82 21

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/30/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230130.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/30/2023 in txt file.

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