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: 9/27/2025
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 09/28/2025 01:54:03 80.10, 112.08 84.13 09/28/2025 01:54:07 80.10, 112.01 84.14 1.46 4
2 09/30/2025 06:20:34 80.14, 44.97 85.04 09/30/2025 06:21:02 80.15, 44.93 85.03 0.97 28
3 09/30/2025 07:11:15 -80.02,-146.42 95.18 09/30/2025 07:10:09 -80.02,-146.30 95.17 2.64 66
4 10/02/2025 10:47:06 80.22, -22.50 86.01 10/02/2025 10:47:57 80.21, -22.37 85.97 2.43 51
5 10/02/2025 11:37:45 -80.04, 146.75 94.32 10/02/2025 11:37:03 -80.05, 146.73 94.30 0.56 42
6 10/04/2025 15:14:07 80.91, -99.91 88.54 10/04/2025 15:15:20 81.14, -99.21 88.58 28.45 73
7 10/04/2025 16:04:15 -80.07, 79.88 93.45 10/04/2025 16:03:56 -80.07, 79.83 93.44 0.98 19
8 10/06/2025 20:30:47 -80.15, 12.35 92.48 10/06/2025 20:30:50 -80.15, 12.43 92.49 1.51 3
9 10/09/2025 00:57:16 -80.15, -54.31 91.66 10/09/2025 00:57:41 -80.15, -54.31 91.67 0.32 25
10 10/09/2025 01:47:56 80.03, 114.41 88.12 10/09/2025 01:46:47 80.03, 114.43 88.14 0.37 69
11 10/11/2025 05:23:47 -80.22,-121.64 90.73 10/11/2025 05:24:33 -80.21,-121.56 90.76 1.60 46

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 9/27/2025
SNOs_Map_NPP_PACE_20250928.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 09/27/2025 in txt file.

Historial Predications of SNOs between NPP and PACE