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: 11/1/2025
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 11/02/2025 03:29:54 -80.21, -93.03 83.19 11/02/2025 03:30:37 -80.21, -93.16 83.19 2.41 43
2 11/02/2025 04:20:36 80.12, 75.29 96.66 11/02/2025 04:19:45 80.12, 75.31 96.68 0.34 51
3 11/04/2025 07:56:23 -80.25,-160.17 82.42 11/04/2025 07:57:22 -80.25,-160.19 82.45 0.43 59
4 11/04/2025 08:47:05 80.16, 8.16 97.42 11/04/2025 08:46:30 80.16, 8.29 97.42 2.55 35
5 11/06/2025 12:23:34 -81.09, 118.00 79.48 11/06/2025 12:24:47 -81.42, 118.88 79.41 39.01 73
6 11/06/2025 13:13:33 80.19, -58.69 98.12 11/06/2025 13:13:14 80.18, -58.58 98.11 2.37 19
7 11/08/2025 17:40:00 80.18,-125.27 98.75 11/08/2025 17:39:57 80.18,-125.29 98.75 0.38 3
8 11/10/2025 22:06:29 80.24, 167.49 99.48 11/10/2025 22:06:41 80.24, 167.55 99.46 1.10 12
9 11/13/2025 02:32:56 80.24, 100.84 100.08 11/13/2025 02:33:23 80.24, 100.83 100.07 0.13 27
10 11/13/2025 03:23:36 -80.12, -90.41 80.16 11/13/2025 03:22:29 -80.12, -90.45 80.13 0.84 67
11 11/15/2025 06:59:25 80.30, 33.52 100.77 11/15/2025 07:00:06 80.30, 33.67 100.73 2.78 41

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 11/1/2025
SNOs_Map_NPP_PACE_20251102.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 11/01/2025 in txt file.

Historial Predications of SNOs between NPP and PACE