Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and PACE 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 (PACE) Time (PACE) Lat,Lon (PACE) SZA (PACE ) Distance(km) Time Diff (sec)
1 05/24/2025 02:47:47 79.69, 102.24 60.85 05/24/2025 02:48:05 79.70, 102.13 60.86 2.31 18
2 05/24/2025 03:37:48 -78.14, -79.81 121.55 05/24/2025 03:36:34 -77.96, -80.52 121.61 25.34 74
3 05/26/2025 07:14:21 79.88, 33.89 60.81 05/26/2025 07:15:23 79.87, 34.04 60.76 3.02 62
4 05/26/2025 08:04:57 -79.62,-156.46 119.66 05/26/2025 08:04:27 -79.62,-156.42 119.65 1.03 30
5 05/28/2025 12:31:28 -79.72, 136.06 119.83 05/28/2025 12:31:43 -79.72, 136.02 119.83 0.82 15
6 05/30/2025 16:58:00 -79.85, 68.25 119.92 05/30/2025 16:58:59 -79.84, 68.36 119.97 2.41 59
7 05/30/2025 17:48:38 79.61,-122.25 59.65 05/30/2025 17:48:03 79.61,-122.30 59.67 1.02 35
8 06/01/2025 22:15:10 79.74, 169.94 59.60 06/01/2025 22:15:19 79.74, 169.95 59.60 0.32 9
9 06/04/2025 02:41:40 79.81, 102.66 59.47 06/04/2025 02:42:33 79.81, 102.65 59.45 0.35 53

Figure of NOAA-21 and PACE satellite orbits during SNOs since TLE Epoch: 5/22/2025
SNOs_Map_NOAA-21_PACE_20250522.jpg

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

Historial Predications of SNOs between NOAA-21 and PACE