Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and PACE Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/29/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (PACE) Time (PACE) Lat,Lon (PACE) SZA (PACE ) Distance(km) Time Diff (sec)
1 10/30/2025 12:24:33 79.93, -44.49 95.54 10/30/2025 12:24:35 79.93, -44.36 95.52 2.67 2
2 11/01/2025 16:51:05 79.95,-111.34 96.27 11/01/2025 16:51:20 79.94,-111.18 96.24 3.16 15
3 11/03/2025 21:17:36 79.95,-177.92 96.94 11/03/2025 21:18:04 79.94,-177.87 96.92 1.16 28
4 11/03/2025 22:08:16 -79.82, -9.32 83.28 11/03/2025 22:07:10 -79.81, -9.16 83.28 3.18 66
5 11/06/2025 01:44:09 80.01, 114.86 97.71 11/06/2025 01:44:49 80.00, 115.02 97.67 3.08 40
6 11/06/2025 02:34:46 -79.78, -75.64 82.68 11/06/2025 02:33:53 -79.79, -75.72 82.64 1.85 53
7 11/08/2025 06:10:41 80.04, 47.91 98.41 11/08/2025 06:11:33 80.03, 48.04 98.37 2.50 52
8 11/08/2025 07:01:16 -79.79,-142.28 82.03 11/08/2025 07:00:35 -79.79,-142.42 82.00 2.86 41
9 11/10/2025 10:37:10 80.01, -18.47 98.99 11/10/2025 10:38:14 80.02, -18.51 98.97 0.70 64
10 11/10/2025 11:27:49 -79.85, 150.47 81.30 11/10/2025 11:27:19 -79.85, 150.47 81.29 0.03 30
11 11/12/2025 15:04:38 81.16,-104.87 102.61 11/12/2025 15:05:51 81.56,-104.10 102.72 46.00 73

Figure of NOAA-20 and PACE satellite orbits during SNOs since TLE Epoch: 10/29/2025
SNOs_Map_NOAA-20_PACE_20251030.jpg

Download SNOs between NOAA-20 and PACE since TLE EPOCH: 10/29/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and PACE