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: 2/19/2023
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 02/20/2023 18:22:54 70.36, -99.82 81.24 02/20/2023 18:23:15 70.39, -99.84 81.26 2.47 21
2 02/20/2023 19:13:36 -70.27, 67.64 98.88 02/20/2023 19:12:41 -70.29, 67.68 98.85 2.60 55
3 02/23/2023 06:26:24 -71.28,-102.15 98.70 02/23/2023 06:27:31 -71.20, -99.76 98.89 85.97 67
4 02/23/2023 07:16:53 70.39, 66.65 80.34 02/23/2023 07:17:07 70.37, 66.65 80.32 1.88 14
5 02/23/2023 08:07:35 -70.29,-125.89 99.78 02/23/2023 08:06:33 -70.28,-125.82 99.78 2.54 62
6 02/25/2023 19:20:18 -71.05, 64.76 99.88 02/25/2023 19:21:27 -70.94, 66.34 100.08 58.83 69
7 02/25/2023 20:10:51 70.37,-126.81 79.38 02/25/2023 20:10:58 70.37,-126.83 79.38 0.85 7
8 02/25/2023 21:01:33 -70.27, 40.66 100.74 02/25/2023 21:00:24 -70.29, 40.70 100.72 2.50 69
9 02/28/2023 08:14:11 -70.78,-128.27 101.13 02/28/2023 08:15:22 -70.68,-127.52 101.28 29.45 71
10 02/28/2023 09:04:49 70.36, 39.72 78.41 02/28/2023 09:04:48 70.38, 39.70 78.43 2.68 1
11 02/28/2023 09:55:29 -70.15,-152.64 101.83 02/28/2023 09:54:16 -70.20,-152.92 101.76 11.47 73
12 03/02/2023 21:08:04 -70.51, 38.68 102.39 03/02/2023 21:09:15 -70.49, 38.72 102.42 2.76 71
13 03/02/2023 21:58:47 70.36,-153.77 77.44 03/02/2023 21:58:38 70.35,-153.82 77.44 2.02 9

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 2/19/2023
SNOs_Map_NOAA-20_TERRA_20230219.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 02/19/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA