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: 8/19/2023
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 08/19/2023 23:26:53 -74.75, -4.86 117.44 08/19/2023 23:25:39 -74.77, -4.77 117.41 3.27 74
2 08/20/2023 00:17:39 74.76, 162.44 62.58 08/20/2023 00:16:35 74.73, 162.39 62.57 3.28 64
3 08/20/2023 01:08:23 -74.75, -30.24 117.42 08/20/2023 01:07:38 -74.76, -30.27 117.39 1.42 45
4 08/20/2023 01:59:09 74.76, 137.06 62.60 08/20/2023 01:58:33 74.77, 137.02 62.63 1.86 36
5 08/20/2023 02:49:54 -74.80, -55.76 117.34 08/20/2023 02:49:36 -74.81, -55.64 117.34 3.37 18
6 08/20/2023 03:40:40 74.81, 111.54 62.68 08/20/2023 03:40:31 74.81, 111.65 62.68 3.19 9
7 08/20/2023 04:31:24 -74.81, -81.14 117.31 08/20/2023 04:31:35 -74.80, -81.15 117.32 0.55 11
8 08/20/2023 05:22:10 74.81, 86.16 62.71 08/20/2023 05:22:30 74.81, 86.14 62.70 0.59 20
9 08/20/2023 06:12:54 -74.81,-106.52 117.28 08/20/2023 06:13:33 -74.84,-106.51 117.26 3.98 39
10 08/20/2023 07:03:41 74.86, 60.65 62.79 08/20/2023 07:04:28 74.85, 60.77 62.76 3.94 47
11 08/20/2023 07:54:25 -74.86,-132.03 117.20 08/20/2023 07:55:32 -74.84,-132.02 117.24 2.13 67
12 08/20/2023 08:45:12 74.96, 34.99 62.93 08/20/2023 08:46:25 74.89, 35.41 62.81 14.12 73

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 8/19/2023
SNOs_Map_NOAA-21_NOAA-19_20230819.jpg

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

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