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: 2/15/2025
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 02/16/2025 01:25:38 80.05, 119.59 94.85 02/16/2025 01:25:42 80.04, 119.71 94.83 2.44 4
2 02/18/2025 05:53:49 81.25, 15.00 99.88 02/18/2025 05:55:01 81.93, 15.06 99.97 75.84 72
3 02/18/2025 06:42:48 -80.00,-139.25 86.02 02/18/2025 06:42:32 -80.00,-139.14 86.03 2.14 16
4 02/20/2025 11:09:20 -80.13, 152.73 86.54 02/20/2025 11:10:15 -80.13, 152.84 86.58 2.11 55
5 02/20/2025 11:59:59 79.94, -37.94 93.08 02/20/2025 11:59:20 79.94, -37.87 93.08 1.56 39
6 02/22/2025 16:26:29 80.03,-105.42 92.45 02/22/2025 16:27:01 80.03,-105.52 92.44 1.97 32
7 02/22/2025 17:17:08 -79.87, 63.45 87.87 02/22/2025 17:16:08 -79.87, 63.41 87.83 0.87 60
8 02/24/2025 21:43:39 -79.99, -4.33 88.46 02/24/2025 21:43:49 -79.99, -4.44 88.44 2.39 10
9 02/27/2025 03:00:50 79.95, 96.76 90.64 02/27/2025 03:00:35 79.95, 96.74 90.65 0.38 15
10 03/01/2025 07:27:20 80.05, 29.13 90.00 03/01/2025 07:28:14 80.05, 29.01 89.99 2.39 54

Figure of NOAA-21 and PACE satellite orbits during SNOs since TLE Epoch: 2/15/2025
SNOs_Map_NOAA-21_PACE_20250216.jpg

Download SNOs between NOAA-21 and PACE since TLE EPOCH: 02/15/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and PACE