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: 4/20/2023
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 04/23/2023 18:36:02 -75.40, 66.20 116.82 04/23/2023 18:34:50 -75.40, 66.29 116.81 2.58 72
2 04/23/2023 19:26:47 75.37,-126.39 63.14 04/23/2023 19:25:44 75.39,-126.46 63.18 2.96 63
3 04/23/2023 20:17:32 -75.41, 40.79 116.83 04/23/2023 20:16:49 -75.41, 40.83 116.83 1.28 43
4 04/23/2023 21:08:18 75.43,-151.94 63.18 04/23/2023 21:07:43 75.40,-151.92 63.16 3.42 35
5 04/23/2023 21:59:02 -75.43, 15.38 116.84 04/23/2023 21:58:48 -75.42, 15.36 116.84 1.22 14
6 04/23/2023 22:49:48 75.44,-177.35 63.17 04/23/2023 22:49:41 75.45,-177.24 63.18 3.42 7
7 04/23/2023 23:40:32 -75.44, -10.03 116.85 04/23/2023 23:40:47 -75.43, -10.10 116.86 2.48 15
8 04/24/2023 00:31:18 75.45, 157.24 63.16 04/24/2023 00:31:40 75.46, 157.30 63.16 1.91 22
9 04/24/2023 01:22:02 -75.45, -35.43 116.86 04/24/2023 01:22:45 -75.48, -35.41 116.84 3.50 43
10 04/24/2023 02:12:48 75.46, 131.83 63.15 04/24/2023 02:13:39 75.47, 131.83 63.14 0.78 51
11 04/24/2023 03:03:32 -75.46, -60.84 116.87 04/24/2023 03:04:44 -75.49, -60.88 116.86 3.32 72
12 04/24/2023 03:54:23 75.71, 105.68 63.42 04/24/2023 03:55:34 75.66, 106.98 63.26 36.04 71

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 4/20/2023
SNOs_Map_NOAA-21_NOAA-19_20230421.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 04/20/2023 in txt file.

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