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: 1/16/2025
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, -57.95 88.62 49.16 71
2 01/22/2025 04:13:49 71.75, 110.39 91.49 01/22/2025 04:12:36 71.78, 109.73 91.56 23.30 73
3 01/22/2025 05:04:37 -71.97, -82.72 88.28 01/22/2025 05:03:37 -71.97, -82.67 88.28 1.70 60
4 01/22/2025 05:55:23 71.97, 84.60 91.71 01/22/2025 05:54:29 71.98, 84.63 91.73 1.50 54
5 01/22/2025 06:46:07 -71.99,-108.12 88.28 01/22/2025 06:45:34 -71.97,-108.16 88.30 2.88 33
6 01/22/2025 07:36:53 71.98, 59.20 91.71 01/22/2025 07:36:26 71.97, 59.14 91.71 2.37 27
7 01/22/2025 08:27:37 -72.00,-133.52 88.28 01/22/2025 08:27:30 -72.01,-133.55 88.27 1.58 7
8 01/22/2025 09:18:23 72.00, 33.80 91.71 01/22/2025 09:18:22 72.02, 33.75 91.73 3.28 1
9 01/22/2025 10:09:08 -72.07,-159.02 88.23 01/22/2025 10:09:26 -72.06,-158.94 88.24 2.74 18
10 01/22/2025 10:59:54 72.06, 8.30 91.76 01/22/2025 11:00:18 72.07, 8.35 91.76 1.90 24
11 01/22/2025 11:50:38 -72.08, 175.58 88.23 01/22/2025 11:51:23 -72.06, 175.56 88.26 3.06 45
12 01/22/2025 12:41:24 72.08, -17.10 91.76 01/22/2025 12:42:15 72.07, -17.14 91.74 1.98 51
13 01/22/2025 13:32:08 -72.10, 150.18 88.23 01/22/2025 13:33:19 -72.10, 150.17 88.24 0.58 71
14 01/22/2025 14:22:57 72.25, -42.80 91.93 01/22/2025 14:24:10 72.16, -42.43 91.81 15.78 73

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 1/16/2025
SNOs_Map_NOAA-21_NOAA-19_20250116.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 01/16/2025 in txt file.

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