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: 1/10/2025
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 01/22/2025 03:22:59 -71.55, -56.56 88.73 01/22/2025 03:21:48 -71.57, -57.94 88.62 48.82 71
2 01/22/2025 04:13:49 71.75, 110.38 91.49 01/22/2025 04:12:36 71.78, 109.73 91.56 22.75 73
3 01/22/2025 05:04:37 -71.97, -82.71 88.28 01/22/2025 05:03:37 -71.97, -82.65 88.27 2.01 60
4 01/22/2025 05:55:23 71.97, 84.60 91.71 01/22/2025 05:54:29 71.98, 84.64 91.73 1.46 54
5 01/22/2025 06:46:07 -71.99,-108.12 88.28 01/22/2025 06:45:34 -71.97,-108.15 88.29 2.26 33
6 01/22/2025 07:36:53 71.99, 59.19 91.71 01/22/2025 07:36:26 71.97, 59.14 91.71 2.35 27
7 01/22/2025 08:27:37 -72.00,-133.52 88.28 01/22/2025 08:27:30 -72.02,-133.54 88.27 1.74 7
8 01/22/2025 09:18:23 72.00, 33.79 91.71 01/22/2025 09:18:22 72.02, 33.75 91.73 2.41 1
9 01/22/2025 10:09:08 -72.07,-159.02 88.23 01/22/2025 10:09:26 -72.06,-158.93 88.24 2.99 18
10 01/22/2025 10:59:54 72.07, 8.29 91.77 01/22/2025 11:00:18 72.07, 8.36 91.76 2.31 24
11 01/22/2025 11:50:38 -72.09, 175.58 88.23 01/22/2025 11:51:23 -72.06, 175.58 88.26 2.61 45
12 01/22/2025 12:41:24 72.09, -17.11 91.77 01/22/2025 12:42:15 72.06, -17.13 91.74 2.44 51
13 01/22/2025 13:32:08 -72.10, 150.18 88.23 01/22/2025 13:33:19 -72.11, 150.18 88.23 0.97 71
14 01/22/2025 14:22:56 72.20, -42.71 91.88 01/22/2025 14:24:10 72.16, -42.42 91.81 10.77 74

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 1/10/2025
SNOs_Map_NOAA-21_NOAA-19_20250110.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 01/10/2025 in txt file.

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