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: 3/24/2023
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 03/25/2023 16:22:55 70.55, -70.06 68.66 03/25/2023 16:23:29 70.52, -70.03 68.63 2.76 34
2 03/25/2023 17:13:37 -70.45, 97.41 111.47 03/25/2023 17:12:55 -70.43, 97.47 111.49 3.23 42
3 03/28/2023 04:26:25 -71.46, -72.41 111.37 03/28/2023 04:27:31 -71.34, -69.88 111.59 90.50 66
4 03/28/2023 05:16:53 70.52, 96.49 67.63 03/28/2023 05:17:07 70.50, 96.50 67.60 2.68 14
5 03/28/2023 06:07:35 -70.42, -96.03 112.50 03/28/2023 06:06:33 -70.40, -96.00 112.51 2.73 62
6 03/30/2023 17:20:08 -70.66, 95.46 113.21 03/30/2023 17:21:19 -70.66, 95.65 113.23 6.81 71
7 03/30/2023 18:10:50 70.46, -96.89 66.56 03/30/2023 18:10:43 70.47, -96.96 66.58 3.08 7
8 03/30/2023 19:01:26 -70.04, 71.08 113.89 03/30/2023 19:00:14 -70.09, 70.15 113.80 35.92 72
9 04/02/2023 06:14:04 -70.55, -97.85 114.31 04/02/2023 06:14:54 -70.57, -97.89 114.30 2.83 50
10 04/02/2023 07:04:48 70.45, 69.62 65.57 04/02/2023 07:04:17 70.44, 69.58 65.57 2.02 31
11 04/04/2023 19:08:02 -70.56, 68.66 115.28 04/04/2023 19:08:26 -70.54, 68.66 115.31 1.70 24
12 04/04/2023 19:58:45 70.41,-123.79 64.55 04/04/2023 19:57:49 70.41,-123.87 64.56 3.11 56

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 3/24/2023
SNOs_Map_NOAA-20_TERRA_20230324.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 03/24/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA