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 03:23:00 -71.57, -56.60 88.70 01/22/2025 03:21:49 -71.54, -58.00 88.64 49.34 71
2 01/22/2025 04:13:50 71.78, 110.34 91.52 01/22/2025 04:12:37 71.75, 109.67 91.54 23.29 73
3 01/22/2025 05:04:37 -71.95, -82.66 88.31 01/22/2025 05:03:38 -71.94, -82.72 88.30 1.86 59
4 01/22/2025 05:55:23 71.95, 84.65 91.68 01/22/2025 05:54:30 71.95, 84.58 91.70 2.48 53
5 01/22/2025 06:46:08 -72.01,-108.16 88.26 01/22/2025 06:45:34 -71.99,-108.11 88.27 3.17 34
6 01/22/2025 07:36:54 72.01, 59.15 91.74 01/22/2025 07:36:26 71.99, 59.18 91.73 2.35 28
7 01/22/2025 08:27:38 -72.03,-133.56 88.26 01/22/2025 08:27:30 -72.04,-133.50 88.25 2.40 8
8 01/22/2025 09:18:24 72.03, 33.75 91.74 01/22/2025 09:18:22 72.04, 33.79 91.75 2.14 2
9 01/22/2025 10:09:08 -72.04,-158.97 88.26 01/22/2025 10:09:27 -72.03,-158.99 88.27 1.38 19
10 01/22/2025 10:59:54 72.04, 8.34 91.74 01/22/2025 11:00:19 72.04, 8.30 91.73 1.68 25
11 01/22/2025 11:50:38 -72.06, 175.63 88.26 01/22/2025 11:51:23 -72.08, 175.61 88.24 2.58 45
12 01/22/2025 12:41:24 72.06, -17.06 91.74 01/22/2025 12:42:15 72.08, -17.10 91.76 3.23 51
13 01/22/2025 13:32:09 -72.12, 150.13 88.20 01/22/2025 13:33:19 -72.13, 150.22 88.22 3.19 70
14 01/22/2025 14:22:57 72.23, -42.76 91.91 01/22/2025 14:24:10 72.18, -42.38 91.83 13.61 73

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 1/10/2025
SNOs_Map_NOAA-21_NOAA-19_20250111.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