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: 5/19/2022
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 05/20/2022 11:11:58 69.58, 9.20 49.45 05/20/2022 11:12:57 69.61, 9.19 49.48 3.50 59
2 05/20/2022 12:02:40 -69.50, 176.62 130.63 05/20/2022 12:02:27 -69.49, 176.67 130.65 1.98 13
3 05/20/2022 12:53:13 68.78, -15.07 48.63 05/20/2022 12:52:04 68.83, -16.55 48.70 59.61 69
4 05/23/2022 03:28:52 69.54, 125.01 48.89 05/23/2022 03:29:19 69.57, 125.02 48.91 2.76 27
5 05/23/2022 04:19:34 -69.46, -67.55 131.21 05/23/2022 04:18:49 -69.45, -67.50 131.22 2.51 45
6 05/25/2022 18:55:01 -69.64, 73.34 131.51 05/25/2022 18:56:13 -69.62, 73.33 131.53 2.34 72
7 05/25/2022 19:45:45 69.52,-119.18 48.37 05/25/2022 19:45:40 69.50,-119.18 48.35 1.84 5
8 05/25/2022 20:36:24 -69.27, 48.49 131.89 05/25/2022 20:35:11 -69.33, 48.24 131.82 11.87 73
9 05/28/2022 11:11:54 -69.56,-170.78 132.03 05/28/2022 11:12:34 -69.58,-170.82 132.02 2.75 40
10 05/28/2022 12:02:38 69.44, -3.30 47.84 05/28/2022 12:02:01 69.46, -3.34 47.86 2.40 37
11 05/31/2022 02:38:11 69.90, 137.18 47.92 05/31/2022 02:39:22 69.79, 137.72 47.79 24.30 71
12 05/31/2022 03:28:48 -69.54, -54.98 132.45 05/31/2022 03:28:55 -69.52, -55.01 132.48 3.21 7
13 05/31/2022 04:19:32 69.43, 112.49 47.43 05/31/2022 04:18:21 69.45, 112.54 47.45 2.75 71

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 5/19/2022
SNOs_Map_NOAA-20_TERRA_20220519.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 05/19/2022 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA