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: 5/23/2025
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, 76.77 131.48 05/30/2025 18:34:53 -70.45, 74.51 131.41 83.79 68
2 05/30/2025 19:26:51 70.65,-116.22 48.70 05/30/2025 19:25:41 70.64,-117.89 48.77 61.51 70
3 05/30/2025 20:17:44 -71.15, 50.27 130.78 05/30/2025 20:16:36 -71.15, 50.22 130.77 1.71 68
4 05/30/2025 21:08:31 71.17,-142.47 49.24 05/30/2025 21:07:27 71.18,-142.43 49.26 1.91 64
5 05/30/2025 21:59:15 -71.20, 24.80 130.73 05/30/2025 21:58:32 -71.17, 24.78 130.76 3.23 43
6 05/30/2025 22:50:02 71.23,-167.94 49.29 05/30/2025 22:49:23 71.21,-167.87 49.28 3.11 39
7 05/30/2025 23:40:45 -71.20, -0.58 130.74 05/30/2025 23:40:28 -71.20, -0.66 130.74 2.95 17
8 05/31/2025 00:31:32 71.23, 166.68 49.28 05/31/2025 00:31:19 71.23, 166.69 49.29 0.61 13
9 05/31/2025 01:22:16 -71.26, -26.05 130.70 05/31/2025 01:22:23 -71.27, -26.01 130.68 2.35 7
10 05/31/2025 02:13:03 71.28, 141.22 49.33 05/31/2025 02:13:15 71.26, 141.25 49.30 2.98 12
11 05/31/2025 03:03:47 -71.31, -51.52 130.65 05/31/2025 03:04:19 -71.30, -51.45 130.67 2.84 32
12 05/31/2025 03:54:33 71.28, 115.84 49.32 05/31/2025 03:55:11 71.28, 115.81 49.32 0.93 38
13 05/31/2025 04:45:17 -71.31, -76.89 130.66 05/31/2025 04:46:15 -71.32, -76.88 130.65 1.23 58
14 05/31/2025 05:36:04 71.34, 90.37 49.37 05/31/2025 05:37:07 71.31, 90.37 49.33 3.44 63
15 05/31/2025 06:26:54 -71.68,-102.92 130.28 05/31/2025 06:28:05 -71.65,-101.76 130.35 40.68 71
16 05/31/2025 07:17:44 71.86, 64.06 49.91 05/31/2025 07:18:53 71.84, 65.89 49.83 63.63 69

Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 5/23/2025
SNOs_Map_NOAA-21_NOAA-19_20250523.jpg

Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 05/23/2025 in txt file.

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