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: 1/3/2023
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 01/04/2023 14:41:01 71.04, -45.45 93.75 01/04/2023 14:42:07 70.92, -42.83 93.55 95.57 66
2 01/04/2023 15:31:25 -70.02, 123.52 87.33 01/04/2023 15:31:51 -70.05, 123.50 87.30 3.22 26
3 01/04/2023 16:22:10 69.94, -69.06 92.59 01/04/2023 16:21:18 69.94, -69.00 92.59 2.15 52
4 01/07/2023 06:57:40 70.13, 71.80 92.49 01/07/2023 06:58:51 70.10, 71.82 92.45 3.32 71
5 01/07/2023 07:48:21 -69.99,-120.68 87.66 01/07/2023 07:48:21 -69.99,-120.70 87.66 0.66 0
6 01/07/2023 08:39:02 69.71, 47.06 92.05 01/07/2023 08:37:50 69.77, 46.64 92.13 17.50 72
7 01/09/2023 23:14:34 70.06,-172.33 92.07 01/09/2023 23:15:19 70.07,-172.33 92.07 1.77 45
8 01/10/2023 00:05:16 -69.98, -4.88 88.03 01/10/2023 00:04:49 -69.97, -4.84 88.04 1.63 27
9 01/12/2023 14:41:01 -70.96, 134.70 87.40 01/12/2023 14:42:08 -70.85, 137.06 87.58 86.70 67
10 01/12/2023 15:31:30 70.05, -56.54 91.65 01/12/2023 15:31:48 70.03, -56.51 91.62 2.44 18
11 01/12/2023 16:22:11 -69.91, 110.98 88.51 01/12/2023 16:21:18 -69.93, 110.98 88.48 2.01 53
12 01/15/2023 06:57:41 -70.11,-108.18 88.74 01/15/2023 06:58:50 -70.08,-108.20 88.78 3.23 69
13 01/15/2023 07:48:25 69.99, 59.31 91.13 01/15/2023 07:48:17 69.97, 59.28 91.11 3.29 8
14 01/15/2023 08:39:02 -69.64,-132.85 89.25 01/15/2023 08:37:50 -69.70,-133.45 89.16 24.32 72

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/3/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230103.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/03/2023 in txt file.

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