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: 5/19/2023
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 05/23/2023 05:42:05 -74.99, -99.18 125.21 05/23/2023 05:40:54 -74.95,-100.69 125.11 43.87 71
2 05/23/2023 06:32:56 75.23, 67.42 55.07 05/23/2023 06:31:44 75.22, 67.41 55.09 0.88 72
3 05/23/2023 07:23:40 -75.23,-125.25 124.94 05/23/2023 07:22:47 -75.24,-125.31 124.91 1.95 53
4 05/23/2023 08:14:26 75.23, 42.04 55.06 05/23/2023 08:13:43 75.23, 41.93 55.08 3.07 43
5 05/23/2023 09:05:11 -75.28,-150.78 124.90 05/23/2023 09:04:46 -75.24,-150.79 124.92 4.05 25
6 05/23/2023 09:55:57 75.28, 16.51 55.11 05/23/2023 09:55:41 75.28, 16.60 55.10 2.63 16
7 05/23/2023 10:46:41 -75.28,-176.17 124.90 05/23/2023 10:46:44 -75.29,-176.12 124.90 1.80 3
8 05/23/2023 11:37:27 75.29, -8.88 55.10 05/23/2023 11:37:40 75.29, -8.87 55.10 0.26 13
9 05/23/2023 12:28:11 -75.29, 158.45 124.91 05/23/2023 12:28:43 -75.30, 158.40 124.91 1.86 32
10 05/23/2023 13:18:57 75.29, -34.26 55.09 05/23/2023 13:19:39 75.29, -34.35 55.09 2.43 42
11 05/23/2023 14:09:42 -75.34, 132.92 124.87 05/23/2023 14:10:42 -75.30, 132.93 124.92 3.73 60
12 05/23/2023 15:00:28 75.34, -59.79 55.14 05/23/2023 15:01:37 75.34, -59.68 55.11 3.23 69
13 05/23/2023 15:51:24 -75.90, 105.76 124.21 05/23/2023 15:52:29 -75.85, 109.28 124.51 95.63 65

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 5/19/2023
SNOs_Map_NOAA-21_NOAA-19_20230519.jpg

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

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