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: 1/1/2025
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 01/01/2025 05:02:14 -80.01,-114.09 74.91 01/01/2025 05:01:57 -80.02,-114.18 74.89 1.71 17
2 01/03/2025 08:37:57 80.19, 10.10 105.26 01/03/2025 08:38:55 80.18, 10.21 105.22 2.14 58
3 01/03/2025 09:28:36 -80.03, 179.16 75.06 01/03/2025 09:28:00 -80.03, 179.24 75.05 1.48 36
4 01/05/2025 13:04:16 80.13, -55.81 104.93 01/05/2025 13:04:55 80.13, -55.84 104.92 0.75 39
5 01/05/2025 13:54:54 -79.93, 113.52 75.44 01/05/2025 13:53:59 -79.94, 113.44 75.41 1.55 55
6 01/07/2025 17:30:37 80.13,-122.42 104.69 01/07/2025 17:30:55 80.12,-122.26 104.66 3.15 18
7 01/07/2025 18:20:04 -77.31, 63.77 79.56 01/07/2025 18:18:51 -77.05, 62.19 79.65 48.99 73
8 01/09/2025 21:56:55 80.05, 171.80 104.27 01/09/2025 21:56:52 80.05, 171.84 104.26 0.89 3
9 01/12/2025 01:32:36 -80.21, -63.83 75.74 01/12/2025 01:33:45 -80.21, -63.71 75.79 2.26 69
10 01/12/2025 02:23:13 79.98, 105.93 103.82 01/12/2025 02:22:48 79.98, 105.87 103.84 1.16 25
11 01/14/2025 05:58:53 -80.13,-129.46 76.26 01/14/2025 05:59:39 -80.12,-129.45 76.28 0.52 46

Figure of NOAA-21 and PACE satellite orbits during SNOs since TLE Epoch: 1/1/2025
SNOs_Map_NOAA-21_PACE_20250101.jpg

Download SNOs between NOAA-21 and PACE since TLE EPOCH: 01/01/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and PACE