Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and NOAA-19 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/6/2023
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (NOAA-19) Time (NOAA-19) Lat,Lon (NOAA-19) SZA (NOAA-19 ) Distance(km) Time Diff (sec)
1 10/18/2023 12:52:11 -73.81, 156.08 96.53 10/18/2023 12:51:05 -73.79, 153.00 96.40 95.61 66
2 10/18/2023 13:43:08 74.37, -38.01 84.10 10/18/2023 13:41:54 74.35, -38.28 84.10 8.49 74
3 10/18/2023 14:33:53 -74.40, 129.22 95.85 10/18/2023 14:32:51 -74.40, 129.12 95.84 3.00 62
4 10/18/2023 15:24:39 74.42, -63.53 84.19 10/18/2023 15:23:51 74.43, -63.54 84.20 0.67 48
5 10/18/2023 16:15:24 -74.46, 103.69 95.77 10/18/2023 16:14:49 -74.43, 103.72 95.79 3.08 35
6 10/18/2023 17:06:09 74.43, -88.93 84.22 10/18/2023 17:05:49 74.46, -88.94 84.26 3.56 20
7 10/18/2023 17:56:54 -74.47, 78.30 95.73 10/18/2023 17:56:47 -74.47, 78.33 95.73 0.82 7
8 10/18/2023 18:47:40 74.49,-114.45 84.31 10/18/2023 18:47:47 74.50,-114.33 84.32 3.73 7
9 10/18/2023 19:38:24 -74.47, 52.90 95.70 10/18/2023 19:38:45 -74.50, 52.93 95.68 2.99 21
10 10/18/2023 20:29:10 74.50,-139.85 84.35 10/18/2023 20:29:46 74.49,-139.86 84.33 1.21 36
11 10/18/2023 21:19:54 -74.48, 27.51 95.66 10/18/2023 21:20:44 -74.49, 27.40 95.66 3.15 50
12 10/18/2023 22:10:40 74.51,-165.24 84.38 10/18/2023 22:11:44 74.52,-165.25 84.39 1.82 64
13 10/18/2023 23:01:27 -74.64, 1.72 95.47 10/18/2023 23:02:40 -74.62, 2.27 95.52 16.41 73

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 10/6/2023
SNOs_Map_NOAA-21_NOAA-19_20231006.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 10/06/2023 in txt file.

Historial Predications of SNOs between NOAA-21 and NOAA-19