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: 4/8/2023
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 04/09/2023 02:44:52 -75.19, -55.35 111.83 04/09/2023 02:43:41 -75.19, -57.01 111.69 47.25 71
2 04/09/2023 03:35:43 75.44, 111.21 68.45 04/09/2023 03:34:32 75.45, 111.08 68.49 3.91 71
3 04/09/2023 04:26:28 -75.48, -81.61 111.52 04/09/2023 04:25:34 -75.47, -81.59 111.51 0.94 54
4 04/09/2023 05:17:14 75.49, 85.66 68.49 04/09/2023 05:16:30 75.50, 85.77 68.50 3.08 44
5 04/09/2023 06:07:58 -75.49,-107.01 111.53 04/09/2023 06:07:33 -75.49,-107.04 111.53 1.03 25
6 04/09/2023 06:58:44 75.50, 60.26 68.47 04/09/2023 06:58:29 75.51, 60.31 68.48 1.73 15
7 04/09/2023 07:49:28 -75.50,-132.42 111.55 04/09/2023 07:49:32 -75.50,-132.50 111.55 2.32 4
8 04/09/2023 08:40:14 75.51, 34.85 68.46 04/09/2023 08:40:28 75.52, 34.85 68.46 0.96 14
9 04/09/2023 09:30:58 -75.51,-157.82 111.56 04/09/2023 09:31:31 -75.51,-157.95 111.56 3.73 33
10 04/09/2023 10:21:44 75.52, 9.45 68.45 04/09/2023 10:22:27 75.53, 9.39 68.45 1.82 43
11 04/09/2023 11:12:29 -75.57, 176.63 111.52 04/09/2023 11:13:29 -75.57, 176.74 111.55 3.12 60
12 04/09/2023 12:03:14 75.53, -15.96 68.43 04/09/2023 12:04:26 75.54, -16.07 68.43 3.17 72

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 4/8/2023
SNOs_Map_NOAA-21_NOAA-19_20230409.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 04/08/2023 in txt file.

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