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: 7/28/2023
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 07/28/2023 21:34:24 -70.33, 32.58 128.55 07/28/2023 21:35:36 -70.28, 32.75 128.62 8.35 72
2 07/28/2023 22:25:06 70.11,-159.78 51.23 07/28/2023 22:25:04 70.13,-159.82 51.25 2.62 2
3 07/28/2023 23:15:47 -69.96, 7.76 128.92 07/28/2023 23:14:34 -70.01, 7.65 128.86 7.05 73
4 07/31/2023 13:51:17 -70.21, 148.53 128.04 07/31/2023 13:52:09 -70.21, 148.52 128.05 0.42 52
5 07/31/2023 14:42:01 70.10, -44.00 51.86 07/31/2023 14:41:36 70.11, -43.98 51.87 1.31 25
6 07/31/2023 15:32:27 -69.16, 124.70 129.12 07/31/2023 15:31:20 -69.23, 122.45 128.96 89.29 67
7 08/03/2023 06:08:11 -70.15, -95.61 127.42 08/03/2023 06:08:41 -70.16, -95.67 127.41 2.69 30
8 08/03/2023 06:58:55 70.05, 71.86 52.48 08/03/2023 06:58:08 70.06, 71.83 52.50 2.09 47
9 08/05/2023 21:34:27 70.46,-147.65 53.61 08/05/2023 21:35:39 70.36,-147.13 53.48 22.40 72
10 08/05/2023 22:25:05 -70.15, 20.16 126.71 08/05/2023 22:25:11 -70.15, 20.19 126.72 1.09 6
11 08/05/2023 23:15:49 70.05,-172.38 53.20 08/05/2023 23:14:38 70.04,-172.32 53.20 2.47 71
12 08/08/2023 13:51:17 70.21, -31.49 54.09 08/08/2023 13:52:12 70.21, -31.48 54.08 0.34 55
13 08/08/2023 14:41:59 -70.10, 136.00 126.02 08/08/2023 14:41:42 -70.10, 136.00 126.02 0.33 17
14 08/08/2023 15:32:29 69.26, -55.46 53.12 08/08/2023 15:31:21 69.33, -57.41 53.27 77.10 68

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/28/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230728.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 07/28/2023 in txt file.

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