Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and METOP-C Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/21/2025
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (METOP-C) Time (METOP-C) Lat,Lon (METOP-C) SZA (METOP-C ) Distance(km) Time Diff (sec)
1 07/21/2025 04:39:48 72.61, 102.12 52.38 07/21/2025 04:39:31 72.63, 102.08 52.40 2.28 17
2 07/21/2025 05:30:33 -72.66, -90.66 127.57 07/21/2025 05:30:13 -72.64, -90.57 127.58 3.60 20
3 07/21/2025 06:21:18 72.62, 76.74 52.40 07/21/2025 06:20:53 72.61, 76.69 52.40 1.86 25
4 07/21/2025 07:12:02 -72.61,-115.94 127.60 07/21/2025 07:11:35 -72.62,-115.96 127.59 0.88 27
5 07/21/2025 08:02:48 72.62, 51.35 52.42 07/21/2025 08:02:14 72.64, 51.41 52.44 2.48 34
6 07/21/2025 08:53:32 -72.62,-141.32 127.58 07/21/2025 08:52:57 -72.60,-141.34 127.59 2.26 35
7 07/21/2025 09:44:18 72.63, 25.97 52.44 07/21/2025 09:43:36 72.61, 26.03 52.43 2.33 42
8 07/21/2025 10:35:02 -72.62,-166.71 127.57 07/21/2025 10:34:18 -72.63,-166.62 127.56 2.85 44
9 07/21/2025 11:25:47 72.58, 0.69 52.40 07/21/2025 11:24:58 72.59, 0.64 52.42 2.10 49
10 07/21/2025 12:16:31 -72.58, 168.01 127.60 07/21/2025 12:15:40 -72.61, 167.99 127.56 3.33 51
11 07/21/2025 13:07:17 72.58, -24.69 52.42 07/21/2025 13:06:20 72.57, -24.74 52.42 2.40 57
12 07/21/2025 13:58:01 -72.58, 142.63 127.59 07/21/2025 13:57:02 -72.58, 142.61 127.57 0.83 59
13 07/21/2025 14:48:47 72.59, -50.08 52.43 07/21/2025 14:47:41 72.60, -50.03 52.46 1.96 66
14 07/21/2025 15:39:31 -72.58, 117.25 127.57 07/21/2025 15:38:24 -72.56, 117.22 127.57 2.71 67
15 07/21/2025 16:30:17 72.59, -75.46 52.45 07/21/2025 16:29:03 72.58, -75.41 52.45 2.52 74
16 07/21/2025 17:21:00 -72.54, 91.97 127.60 07/21/2025 17:19:46 -72.54, 91.84 127.58 4.30 74
17 07/21/2025 18:11:41 72.29,-100.23 52.14 07/21/2025 18:10:30 72.30,-101.30 52.23 36.34 71
18 07/21/2025 19:02:25 -72.29, 67.09 127.86 07/21/2025 19:01:13 -72.26, 65.95 127.80 38.74 72
19 07/21/2025 19:53:05 71.99,-125.02 51.82 07/21/2025 19:51:57 72.02,-127.18 52.00 74.37 68
20 07/21/2025 20:43:48 -71.93, 42.40 128.24 07/21/2025 20:42:40 -71.98, 40.08 128.03 80.03 68

Figure of NOAA-21 and METOP-C satellite orbits during SNOs since TLE Epoch: 7/21/2025
SNOs_Map_NOAA-21_METOP-C_20250721.jpg

Download SNOs between NOAA-21 and METOP-C since TLE EPOCH: 07/21/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and METOP-C