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: 10/18/2023
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 10/19/2023 14:40:57 70.13, -43.91 80.05 10/19/2023 14:42:09 70.14, -43.98 80.06 2.77 72
2 10/19/2023 15:31:39 -70.06, 123.53 100.02 10/19/2023 15:31:38 -70.08, 123.57 99.99 3.33 1
3 10/19/2023 16:22:20 69.78, -68.74 79.72 10/19/2023 16:21:08 69.82, -69.16 79.76 16.61 72
4 10/22/2023 06:57:46 70.13, 71.89 81.01 10/22/2023 06:58:37 70.13, 71.89 81.01 0.19 51
5 10/22/2023 07:48:27 -70.00,-120.59 99.12 10/22/2023 07:48:07 -70.02,-120.63 99.10 3.11 20
6 10/22/2023 08:38:55 69.03, 48.12 79.93 10/22/2023 08:37:49 69.09, 45.75 79.98 94.41 66
7 10/24/2023 23:14:35 70.09,-172.25 81.90 10/24/2023 23:15:06 70.08,-172.30 81.89 1.69 31
8 10/25/2023 00:05:17 -70.00, -4.81 98.18 10/25/2023 00:04:36 -69.97, -4.81 98.21 3.23 41
9 10/27/2023 14:40:50 -70.69, 135.28 96.60 10/27/2023 14:41:59 -70.59, 136.69 96.69 53.16 69
10 10/27/2023 15:31:24 70.05, -56.41 82.78 10/27/2023 15:31:34 70.04, -56.46 82.77 2.17 10
11 10/27/2023 16:22:06 -69.96, 111.04 97.30 10/27/2023 16:21:04 -69.94, 111.02 97.33 3.18 62
12 10/30/2023 06:57:29 -70.14,-108.06 96.26 10/30/2023 06:58:34 -70.13,-108.08 96.26 1.19 65
13 10/30/2023 07:48:13 70.03, 59.41 83.66 10/30/2023 07:48:01 70.02, 59.40 83.64 1.67 12
14 10/30/2023 08:38:48 -69.57,-132.58 96.80 10/30/2023 08:37:36 -69.64,-133.49 96.74 36.18 72

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 10/18/2023
SNOs_Map_NOAA-20_LANDSAT-9_20231018.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 10/18/2023 in txt file.

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