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: 3/30/2025
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 04/01/2025 06:04:34 79.96, 50.64 77.57 04/01/2025 06:04:35 79.95, 50.69 77.55 1.07 1
2 04/03/2025 10:31:01 80.07, -17.08 76.92 04/03/2025 10:31:59 80.07, -17.06 76.89 0.40 58
3 04/03/2025 11:21:39 -79.85, 152.36 103.50 04/03/2025 11:21:03 -79.86, 152.25 103.46 2.44 36
4 04/05/2025 15:48:06 -79.97, 84.64 104.13 04/05/2025 15:48:26 -79.97, 84.58 104.13 1.17 20
5 04/05/2025 16:38:45 79.80,-106.43 75.56 04/05/2025 16:37:33 79.80,-106.42 75.59 0.22 72
6 04/07/2025 20:15:32 -81.22, -3.66 101.47 04/07/2025 20:16:45 -81.59, -2.85 101.43 43.76 73
7 04/07/2025 21:05:10 79.87,-173.63 74.84 04/07/2025 21:04:54 79.87,-173.75 74.86 2.59 16
8 04/10/2025 01:31:37 79.99, 118.53 74.25 04/10/2025 01:32:16 80.00, 118.39 74.25 3.03 39
9 04/10/2025 02:22:17 -79.83, -72.58 106.07 04/10/2025 02:21:21 -79.83, -72.58 106.04 0.11 56

Figure of NOAA-21 and PACE satellite orbits during SNOs since TLE Epoch: 3/30/2025
SNOs_Map_NOAA-21_PACE_20250331.jpg

Download SNOs between NOAA-21 and PACE since TLE EPOCH: 03/30/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and PACE