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: 12/23/2025
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 12/23/2025 02:55:05 80.05, 96.82 105.55 12/23/2025 02:55:17 80.06, 96.75 105.55 1.46 12
2 12/25/2025 07:21:35 80.09, 29.83 105.60 12/25/2025 07:21:49 80.08, 29.88 105.58 1.15 14
3 12/27/2025 11:48:05 80.13, -37.18 105.61 12/27/2025 11:48:21 80.12, -37.07 105.59 2.16 16
4 12/29/2025 16:14:33 80.11,-103.60 105.49 12/29/2025 16:14:51 80.10,-103.52 105.47 1.69 18
5 12/29/2025 17:03:40 -76.40, 86.24 79.85 12/29/2025 17:02:27 -76.02, 84.05 80.02 71.56 73
6 12/31/2025 20:41:01 80.09,-170.04 105.33 12/31/2025 20:41:21 80.09,-170.06 105.32 0.48 20
7 12/31/2025 21:31:21 -79.30, 4.44 76.05 12/31/2025 21:30:07 -79.18, 4.04 76.09 15.99 74
8 01/03/2026 01:07:31 80.13, 122.89 105.25 01/03/2026 01:07:52 80.12, 123.02 105.22 2.75 21
9 01/03/2026 01:58:11 -79.98, -68.19 75.05 01/03/2026 01:56:58 -79.98, -68.09 75.03 1.95 73
10 01/05/2026 05:33:58 80.09, 56.72 104.97 01/05/2026 05:34:21 80.10, 56.60 104.97 2.21 23

Figure of NOAA-21 and PACE satellite orbits during SNOs since TLE Epoch: 12/23/2025
SNOs_Map_NOAA-21_PACE_20251223.jpg

Download SNOs between NOAA-21 and PACE since TLE EPOCH: 12/23/2025 in txt file.

Historial Predications of SNOs between NOAA-21 and PACE