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: 4/5/2023
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 -75.17, -55.29 111.86 04/09/2023 02:43:42 -75.16, -57.09 111.71 51.34 70
2 04/09/2023 03:35:44 75.47, 111.12 68.48 04/09/2023 03:34:32 75.46, 111.13 68.50 0.67 72
3 04/09/2023 04:26:28 -75.46, -81.54 111.54 04/09/2023 04:25:34 -75.49, -81.52 111.50 3.64 54
4 04/09/2023 05:17:14 75.48, 85.72 68.47 04/09/2023 05:16:31 75.47, 85.68 68.48 1.24 43
5 04/09/2023 06:07:59 -75.52,-107.09 111.50 04/09/2023 06:07:33 -75.50,-106.98 111.51 3.60 26
6 04/09/2023 06:58:44 75.49, 60.31 68.45 04/09/2023 06:58:30 75.48, 60.22 68.46 2.67 14
7 04/09/2023 07:49:29 -75.53,-132.50 111.52 04/09/2023 07:49:32 -75.52,-132.43 111.53 2.26 3
8 04/09/2023 08:40:14 75.50, 34.91 68.44 04/09/2023 08:40:29 75.49, 34.76 68.44 4.14 15
9 04/09/2023 09:30:59 -75.54,-157.91 111.53 04/09/2023 09:31:31 -75.53,-157.89 111.55 1.22 32
10 04/09/2023 10:21:45 75.55, 9.35 68.48 04/09/2023 10:22:27 75.55, 9.45 68.46 2.73 42
11 04/09/2023 11:12:29 -75.55, 176.69 111.55 04/09/2023 11:13:30 -75.54, 176.65 111.57 1.41 61
12 04/09/2023 12:03:15 75.56, -16.05 68.47 04/09/2023 12:04:26 75.56, -16.01 68.44 1.27 71

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 4/5/2023
SNOs_Map_NOAA-21_NOAA-19_20230406.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 04/05/2023 in txt file.

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