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: 11/14/2023
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 11/15/2023 06:57:58 -70.07,-108.10 91.61 11/15/2023 06:58:35 -70.10,-108.13 91.58 3.22 37
2 11/15/2023 07:48:43 70.01, 59.31 88.34 11/15/2023 07:48:02 70.00, 59.37 88.33 2.49 41
3 11/17/2023 22:24:18 70.48,-160.29 89.47 11/17/2023 22:25:29 70.37,-159.49 89.36 32.36 71
4 11/17/2023 23:14:54 -70.07, 7.66 90.94 11/17/2023 23:15:03 -70.04, 7.67 90.97 3.34 9
5 11/18/2023 00:05:38 69.96, 175.15 88.96 11/18/2023 00:04:30 69.94, 175.16 88.93 2.34 68
6 11/20/2023 14:41:08 70.12, -43.97 89.73 11/20/2023 14:42:01 70.11, -43.97 89.72 0.87 53
7 11/20/2023 15:31:50 -70.02, 123.50 90.36 11/20/2023 15:31:31 -70.00, 123.50 90.39 2.26 19
8 11/20/2023 16:22:19 69.12, -67.87 88.74 11/20/2023 16:21:12 69.12, -70.04 88.74 86.02 67
9 11/23/2023 06:58:04 70.09, 71.85 90.28 11/23/2023 06:58:28 70.10, 71.89 90.29 2.08 24
10 11/23/2023 07:48:46 -69.99,-120.68 89.82 11/23/2023 07:47:58 -69.99,-120.62 89.82 2.23 48
11 11/25/2023 22:24:16 -70.16, 20.19 89.12 11/25/2023 22:25:28 -70.16, 20.24 89.12 1.86 72
12 11/25/2023 23:15:00 70.06,-172.35 90.79 11/25/2023 23:14:55 70.05,-172.28 90.78 2.91 5
13 11/26/2023 00:05:39 -69.80, -4.64 89.47 11/26/2023 00:04:27 -69.83, -4.95 89.43 12.70 72

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/14/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231114.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 11/14/2023 in txt file.

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