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: 5/22/2025
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 05/30/2025 18:36:01 -70.47, 76.76 131.48 05/30/2025 18:34:53 -70.44, 74.50 131.42 84.13 68
2 05/30/2025 19:26:51 70.65,-116.23 48.71 05/30/2025 19:25:41 70.63,-117.91 48.76 61.88 70
3 05/30/2025 20:17:44 -71.15, 50.26 130.77 05/30/2025 20:16:36 -71.14, 50.20 130.78 2.71 68
4 05/30/2025 21:08:31 71.18,-142.48 49.25 05/30/2025 21:07:27 71.17,-142.45 49.25 1.31 64
5 05/30/2025 21:59:15 -71.21, 24.79 130.73 05/30/2025 21:58:31 -71.21, 24.85 130.72 2.37 44
6 05/30/2025 22:50:01 71.18,-167.86 49.24 05/30/2025 22:49:23 71.20,-167.89 49.27 2.09 38
7 05/30/2025 23:40:45 -71.21, -0.59 130.74 05/30/2025 23:40:27 -71.24, -0.59 130.70 3.17 18
8 05/31/2025 00:31:32 71.24, 166.67 49.29 05/31/2025 00:31:19 71.22, 166.67 49.28 1.53 13
9 05/31/2025 01:22:16 -71.26, -26.06 130.69 05/31/2025 01:22:23 -71.26, -26.03 130.69 1.13 7
10 05/31/2025 02:13:02 71.24, 141.29 49.28 05/31/2025 02:13:15 71.25, 141.23 49.29 2.51 13
11 05/31/2025 03:03:46 -71.27, -51.44 130.70 05/31/2025 03:04:19 -71.29, -51.47 130.68 2.67 33
12 05/31/2025 03:54:33 71.29, 115.82 49.33 05/31/2025 03:55:11 71.27, 115.79 49.31 2.62 38
13 05/31/2025 04:45:17 -71.32, -76.90 130.65 05/31/2025 04:46:15 -71.31, -76.90 130.66 0.78 58
14 05/31/2025 05:36:04 71.35, 90.36 49.38 05/31/2025 05:37:06 71.35, 90.44 49.37 3.13 62
15 05/31/2025 06:26:54 -71.68,-102.93 130.27 05/31/2025 06:28:05 -71.64,-101.78 130.36 40.53 71
16 05/31/2025 07:17:44 71.87, 64.04 49.92 05/31/2025 07:18:53 71.83, 65.87 49.82 63.37 69

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 5/22/2025
SNOs_Map_NOAA-21_NOAA-19_20250522.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 05/22/2025 in txt file.

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