Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and PACE Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/20/2025
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (PACE) Time (PACE) Lat,Lon (PACE) SZA (PACE ) Distance(km) Time Diff (sec)
1 09/21/2025 11:43:49 -80.11, 144.49 98.34 09/21/2025 11:44:11 -80.11, 144.46 98.35 0.57 22
2 09/21/2025 12:34:29 79.97, -46.73 81.41 09/21/2025 12:33:17 79.97, -46.69 81.44 0.74 72
3 09/23/2025 16:10:20 -80.14, 77.54 97.46 09/23/2025 16:11:08 -80.14, 77.50 97.48 0.73 48
4 09/23/2025 17:01:00 80.01,-113.69 82.30 09/23/2025 17:00:14 80.00,-113.68 82.31 0.58 46
5 09/25/2025 20:36:55 -80.28, 9.32 96.36 09/25/2025 20:38:09 -80.31, 9.25 96.36 4.20 74
6 09/25/2025 21:27:31 80.04, 179.32 83.19 09/25/2025 21:27:11 80.04, 179.24 83.21 1.67 20
7 09/28/2025 01:54:03 80.11, 112.00 84.14 09/28/2025 01:54:08 80.10, 112.04 84.13 1.06 5
8 09/30/2025 06:20:35 80.17, 44.65 85.10 09/30/2025 06:21:05 80.17, 44.74 85.07 1.90 30
9 09/30/2025 07:11:14 -79.99,-146.09 95.24 09/30/2025 07:10:11 -79.99,-146.12 95.21 0.66 63
10 10/02/2025 10:47:06 80.21, -22.43 86.00 10/02/2025 10:48:01 80.21, -22.37 85.97 1.08 55

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 9/20/2025
SNOs_Map_NPP_PACE_20250920.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 09/20/2025 in txt file.

Historial Predications of SNOs between NPP and PACE