Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-21 and AQUA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 12/12/2025
Index Date (NOAA-21) Time (NOAA-21) Lat,Lon (NOAA-21) SZA (NOAA-21 ) Date (AQUA) Time (AQUA) Lat,Lon (AQUA) SZA (AQUA ) Distance(km) Time Diff (sec)
1 12/12/2025 20:47:59 -81.23, -13.62 71.46 12/12/2025 20:47:50 -81.23, -13.66 71.45 0.78 9
2 12/15/2025 05:28:13 81.24, 36.12 108.75 12/15/2025 05:28:22 81.23, 36.14 108.74 1.23 9
3 12/17/2025 14:08:27 -81.23, 86.32 71.16 12/17/2025 14:08:52 -81.24, 86.32 71.17 0.56 25
4 12/17/2025 14:59:11 81.23,-106.25 108.84 12/17/2025 14:58:09 81.24,-106.06 108.85 3.29 62
5 12/19/2025 22:48:40 81.23, 136.30 108.93 12/19/2025 22:49:21 81.24, 136.32 108.91 0.94 41
6 12/19/2025 23:39:26 -81.24, -56.48 71.06 12/19/2025 23:38:39 -81.23, -56.33 71.06 2.90 47
7 12/22/2025 07:28:55 -81.24,-173.97 70.99 12/22/2025 07:29:50 -81.23,-173.99 71.03 1.05 55
8 12/22/2025 08:19:38 81.23, -6.19 108.95 12/22/2025 08:19:06 81.24, -6.05 108.95 2.74 32
9 12/24/2025 16:09:07 81.23,-123.73 108.98 12/24/2025 16:10:16 81.24,-123.80 108.95 1.37 69

Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 12/12/2025
SNOs_Map_NOAA-21_AQUA_20251212.jpg

Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 12/12/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and AQUA