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: 1/15/2025
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 03:23:00 -71.58, -56.62 88.69 01/22/2025 03:21:49 -71.54, -58.01 88.65 49.08 71
2 01/22/2025 04:13:50 71.78, 110.32 91.53 01/22/2025 04:12:37 71.75, 109.67 91.54 23.09 73
3 01/22/2025 05:04:37 -71.96, -82.69 88.30 01/22/2025 05:03:38 -71.94, -82.73 88.30 2.66 59
4 01/22/2025 05:55:23 71.95, 84.63 91.69 01/22/2025 05:54:30 71.95, 84.57 91.70 2.28 53
5 01/22/2025 06:46:07 -71.97,-108.09 88.30 01/22/2025 06:45:34 -71.99,-108.12 88.28 1.70 33
6 01/22/2025 07:36:53 71.97, 59.23 91.69 01/22/2025 07:36:26 71.99, 59.18 91.73 3.27 27
7 01/22/2025 08:27:38 -72.04,-133.59 88.24 01/22/2025 08:27:30 -72.03,-133.51 88.25 2.73 8
8 01/22/2025 09:18:24 72.04, 33.73 91.75 01/22/2025 09:18:22 72.04, 33.78 91.75 1.99 2
9 01/22/2025 10:09:08 -72.06,-158.99 88.24 01/22/2025 10:09:27 -72.03,-159.00 88.27 2.80 19
10 01/22/2025 10:59:54 72.05, 8.33 91.75 01/22/2025 11:00:19 72.04, 8.29 91.73 1.88 25
11 01/22/2025 11:50:38 -72.07, 175.61 88.24 01/22/2025 11:51:23 -72.08, 175.60 88.24 0.84 45
12 01/22/2025 12:41:24 72.07, -17.08 91.75 01/22/2025 12:42:15 72.08, -17.10 91.76 2.29 51
13 01/22/2025 13:32:08 -72.09, 150.20 88.24 01/22/2025 13:33:20 -72.07, 150.11 88.26 3.37 72
14 01/22/2025 14:22:57 72.23, -42.77 91.92 01/22/2025 14:24:10 72.18, -42.39 91.83 14.29 73

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 1/15/2025
SNOs_Map_NOAA-21_NOAA-19_20250115.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 01/15/2025 in txt file.

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