Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/21/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 06/22/2023 01:41:50 70.98, 149.77 47.54 06/22/2023 01:42:49 70.96, 149.84 47.51 3.37 59
2 06/22/2023 02:32:31 -70.85, -42.68 132.61 06/22/2023 02:32:15 -70.85, -42.68 132.60 0.55 16
3 06/24/2023 14:35:45 70.88, -43.55 47.47 06/24/2023 14:36:10 70.89, -43.64 47.47 3.05 25
4 06/24/2023 15:26:27 -70.79, 123.91 132.63 06/24/2023 15:25:36 -70.78, 123.85 132.63 2.58 51
5 06/27/2023 02:38:58 -71.01, -44.56 132.33 06/27/2023 02:40:07 -71.00, -44.49 132.35 2.69 69
6 06/27/2023 03:29:42 70.90, 122.94 47.56 06/27/2023 03:29:29 70.90, 123.02 47.56 3.02 13
7 06/27/2023 04:20:14 -70.28, -68.75 133.09 06/27/2023 04:19:04 -70.30, -70.21 133.00 54.58 70
8 06/29/2023 15:32:53 -70.92, 122.10 132.30 06/29/2023 15:33:27 -70.93, 122.05 132.29 2.48 34
9 06/29/2023 16:23:37 70.81, -70.41 47.59 06/29/2023 16:22:49 70.82, -70.44 47.62 2.20 48
10 07/02/2023 03:36:08 71.04, 121.10 48.00 07/02/2023 03:37:19 71.04, 121.22 47.98 4.48 71
11 07/02/2023 04:26:49 -70.88, -71.33 132.17 07/02/2023 04:26:46 -70.89, -71.36 132.16 1.50 3
12 07/02/2023 05:17:24 70.36, 96.83 47.28 07/02/2023 05:16:14 70.40, 95.57 47.38 46.98 70
13 07/04/2023 16:30:02 70.96, -72.27 48.12 07/04/2023 16:30:37 70.97, -72.23 48.13 1.71 35
14 07/04/2023 17:20:44 -70.85, 95.23 131.99 07/04/2023 17:20:04 -70.83, 95.19 132.01 3.27 40

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 6/21/2023
SNOs_Map_NOAA-20_TERRA_20230621.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 06/21/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA