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: 12/10/2023
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 12/11/2023 22:24:27 -70.60, 19.48 86.46 12/11/2023 22:25:37 -70.47, 20.62 86.60 44.71 70
2 12/11/2023 23:15:02 70.02,-172.31 92.96 12/11/2023 23:15:10 70.04,-172.36 92.98 3.22 8
3 12/12/2023 00:05:44 -69.92, -4.84 87.14 12/12/2023 00:04:40 -69.93, -4.88 87.13 1.94 64
4 12/14/2023 14:41:13 -70.11, 136.01 86.76 12/14/2023 14:42:14 -70.15, 136.02 86.74 3.59 61
5 12/14/2023 15:31:57 70.01, -56.52 93.14 12/14/2023 15:31:42 69.99, -56.57 93.11 3.30 15
6 12/14/2023 16:22:30 -69.43, 111.65 87.45 12/14/2023 16:21:19 -69.50, 110.39 87.38 49.42 71
7 12/17/2023 06:58:07 -70.11,-108.21 86.64 12/17/2023 06:58:44 -70.13,-108.13 86.62 3.65 37
8 12/17/2023 07:48:50 69.95, 59.34 93.21 12/17/2023 07:48:12 69.96, 59.28 93.22 2.62 38
9 12/19/2023 22:24:29 70.69,-160.67 94.04 12/19/2023 22:25:38 70.58,-159.24 93.90 54.04 69
10 12/19/2023 23:15:01 -70.05, 7.65 86.62 12/19/2023 23:15:16 -70.04, 7.61 86.63 2.14 15
11 12/20/2023 00:05:45 69.95, 175.11 93.29 12/20/2023 00:04:43 69.92, 175.10 93.26 3.19 62
12 12/22/2023 14:41:13 70.11, -43.98 93.47 12/22/2023 14:42:16 70.14, -44.00 93.49 2.99 63
13 12/22/2023 15:31:56 -70.05, 123.42 86.59 12/22/2023 15:31:46 -70.04, 123.49 86.61 3.20 10
14 12/22/2023 16:22:31 69.48, -68.42 92.83 12/22/2023 16:21:20 69.54, -69.56 92.90 44.76 71

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/10/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231210.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 12/10/2023 in txt file.

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