Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and METOP-C Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/2/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (METOP-C) Time (METOP-C) Lat,Lon (METOP-C) SZA (METOP-C ) Distance(km) Time Diff (sec)
1 08/15/2025 16:10:24 73.26, -72.10 59.66 08/15/2025 16:11:31 73.22, -69.70 59.48 77.15 67
2 08/15/2025 17:01:07 -73.20, 95.34 120.39 08/15/2025 17:02:15 -73.14, 97.46 120.58 68.56 68
3 08/15/2025 17:51:48 72.96, -96.83 59.36 08/15/2025 17:52:59 72.90, -95.73 59.22 36.55 71
4 08/15/2025 18:42:31 -72.91, 70.61 120.70 08/15/2025 18:43:43 -72.82, 71.43 120.84 28.87 72
5 08/15/2025 19:33:12 72.66,-121.57 59.05 08/15/2025 19:34:25 72.67,-121.53 59.04 1.90 73
6 08/15/2025 20:23:56 -72.66, 45.75 120.95 08/15/2025 20:25:08 -72.65, 45.74 120.97 1.34 72
7 08/15/2025 21:14:42 72.67,-146.96 59.08 08/15/2025 21:15:47 72.66,-146.91 59.05 2.32 65
8 08/15/2025 22:05:25 -72.62, 20.46 120.97 08/15/2025 22:06:30 -72.63, 20.36 120.97 3.70 65
9 08/15/2025 22:56:11 72.62,-172.24 59.05 08/15/2025 22:57:09 72.64,-172.29 59.05 2.03 58
10 08/15/2025 23:46:55 -72.62, -4.92 120.94 08/15/2025 23:47:52 -72.61, -5.01 120.96 3.24 57
11 08/16/2025 00:37:41 72.63, 162.37 59.08 08/16/2025 00:38:31 72.62, 162.34 59.06 1.71 50
12 08/16/2025 01:28:25 -72.63, -30.31 120.92 08/16/2025 01:29:13 -72.64, -30.29 120.91 2.01 48
13 08/16/2025 02:19:11 72.64, 136.99 59.11 08/16/2025 02:19:52 72.65, 137.06 59.11 3.09 41

Figure of NOAA-20 and METOP-C satellite orbits during SNOs since TLE Epoch: 8/2/2025
SNOs_Map_NOAA-20_METOP-C_20250802.jpg

Download SNOs between NOAA-20 and METOP-C since TLE EPOCH: 08/02/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and METOP-C