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: 8/7/2023
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 22:35:53 74.36,-171.11 62.10 08/19/2023 22:34:44 74.34,-173.22 62.26 63.31 69
2 08/19/2023 23:26:45 -74.74, -4.80 117.46 08/19/2023 23:25:39 -74.76, -4.78 117.42 2.48 66
3 08/20/2023 00:17:31 74.76, 162.45 62.59 08/20/2023 00:16:34 74.76, 162.48 62.60 0.99 57
4 08/20/2023 01:08:15 -74.75, -30.20 117.42 08/20/2023 01:07:38 -74.76, -30.29 117.40 2.61 37
5 08/20/2023 01:59:01 74.77, 137.05 62.62 08/20/2023 01:58:33 74.76, 136.98 62.62 2.81 28
6 08/20/2023 02:49:46 -74.81, -55.74 117.33 08/20/2023 02:49:36 -74.80, -55.65 117.34 2.55 10
7 08/20/2023 03:40:31 74.78, 111.65 62.65 08/20/2023 03:40:31 74.80, 111.61 62.67 2.06 0
8 08/20/2023 04:31:16 -74.82, -81.14 117.30 08/20/2023 04:31:35 -74.80, -81.16 117.32 2.48 19
9 08/20/2023 05:22:02 74.84, 86.11 62.75 08/20/2023 05:22:29 74.84, 86.24 62.73 3.75 27
10 08/20/2023 06:12:46 -74.83,-106.54 117.26 08/20/2023 06:13:33 -74.84,-106.53 117.27 1.29 47
11 08/20/2023 07:03:32 74.85, 60.71 62.78 08/20/2023 07:04:28 74.84, 60.73 62.75 1.85 56
12 08/20/2023 07:54:17 -74.89,-132.08 117.17 08/20/2023 07:55:31 -74.88,-131.89 117.21 5.35 74
13 08/20/2023 08:45:11 75.29, 34.06 63.32 08/20/2023 08:46:19 75.20, 36.36 63.06 65.91 68

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 8/7/2023
SNOs_Map_NOAA-21_NOAA-19_20230807.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 08/07/2023 in txt file.

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