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: 1/26/2023
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 01/28/2023 14:41:01 -70.89, 134.82 90.88 01/28/2023 14:42:09 -70.79, 136.94 91.07 78.26 68
2 01/28/2023 15:31:31 70.03, -56.51 88.21 01/28/2023 15:31:48 70.04, -56.52 88.21 1.30 17
3 01/28/2023 16:22:13 -69.95, 110.93 91.89 01/28/2023 16:21:18 -69.93, 110.96 91.91 2.49 55
4 01/31/2023 06:57:41 -70.11,-108.17 92.42 01/31/2023 06:58:52 -70.13,-108.17 92.42 1.81 71
5 01/31/2023 07:48:24 69.99, 59.33 87.45 01/31/2023 07:48:18 70.02, 59.33 87.48 3.65 6
6 01/31/2023 08:39:03 -69.75,-132.99 92.82 01/31/2023 08:37:50 -69.81,-133.34 92.74 14.87 73
7 02/02/2023 23:14:34 -70.08, 7.66 93.22 02/02/2023 23:15:22 -70.08, 7.64 93.23 0.84 48
8 02/03/2023 00:05:18 69.96, 175.14 86.66 02/03/2023 00:04:49 69.97, 175.13 86.67 1.10 29
9 02/05/2023 14:41:02 70.99, -45.35 86.97 02/05/2023 14:42:08 70.92, -42.87 86.79 90.12 66
10 02/05/2023 15:31:28 -70.06, 123.47 94.03 02/05/2023 15:31:52 -70.05, 123.47 94.05 1.00 24
11 02/05/2023 16:22:12 69.95, -69.05 85.84 02/05/2023 16:21:19 69.94, -69.04 85.84 0.94 53
12 02/08/2023 06:57:40 70.15, 71.80 85.24 02/08/2023 06:58:51 70.14, 71.84 85.22 1.73 71
13 02/08/2023 07:48:22 -70.05,-120.74 94.87 02/08/2023 07:48:21 -70.04,-120.67 94.89 2.76 1
14 02/08/2023 08:39:03 69.78, 46.98 84.84 02/08/2023 08:37:50 69.82, 46.66 84.89 12.55 73

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/26/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230126.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/26/2023 in txt file.

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