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: 8/9/2023
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 22:35:52 74.34,-171.06 62.08 08/19/2023 22:34:43 74.35,-173.18 62.27 63.66 69
2 08/19/2023 23:26:44 -74.72, -4.75 117.48 08/19/2023 23:25:39 -74.73, -4.88 117.44 3.94 65
3 08/20/2023 00:17:30 74.74, 162.51 62.56 08/20/2023 00:16:33 74.77, 162.53 62.61 3.66 57
4 08/20/2023 01:08:15 -74.78, -30.28 117.39 08/20/2023 01:07:37 -74.77, -30.25 117.39 1.38 38
5 08/20/2023 01:59:00 74.75, 137.10 62.60 08/20/2023 01:58:32 74.77, 137.02 62.63 3.16 28
6 08/20/2023 02:49:45 -74.79, -55.68 117.35 08/20/2023 02:49:36 -74.77, -55.75 117.37 3.27 9
7 08/20/2023 03:40:31 74.81, 111.57 62.69 08/20/2023 03:40:30 74.81, 111.65 62.68 2.35 1
8 08/20/2023 04:31:15 -74.80, -81.09 117.32 08/20/2023 04:31:34 -74.81, -81.12 117.31 1.44 19
9 08/20/2023 05:22:01 74.82, 86.17 62.72 08/20/2023 05:22:29 74.81, 86.14 62.70 1.75 28
10 08/20/2023 06:12:46 -74.86,-106.62 117.23 08/20/2023 06:13:32 -74.85,-106.49 117.26 3.94 46
11 08/20/2023 07:03:31 74.83, 60.76 62.76 08/20/2023 07:04:27 74.85, 60.77 62.76 1.95 56
12 08/20/2023 07:54:16 -74.87,-132.02 117.19 08/20/2023 07:55:31 -74.85,-131.99 117.24 2.50 75
13 08/20/2023 08:45:10 75.27, 34.12 63.29 08/20/2023 08:46:18 75.22, 36.41 63.07 65.06 68

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 8/9/2023
SNOs_Map_NOAA-21_NOAA-19_20230809.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 08/09/2023 in txt file.

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