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: 4/15/2025
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 04/16/2025 02:35:53 -79.94, -77.16 108.06 04/16/2025 02:36:24 -79.93, -77.11 108.08 1.06 31
2 04/16/2025 03:26:33 79.77, 91.78 71.62 04/16/2025 03:25:31 79.76, 91.90 71.63 2.65 62
3 04/18/2025 07:03:55 -81.28,-176.76 103.73 04/18/2025 07:05:08 -81.90,-176.50 103.62 68.43 73
4 04/18/2025 07:53:06 79.87, 24.19 71.03 04/18/2025 07:52:49 79.86, 24.32 71.02 2.56 17
5 04/20/2025 12:19:37 79.92, -42.86 70.35 04/20/2025 12:20:05 79.92, -42.93 70.35 1.40 28
6 04/20/2025 13:10:15 -79.71, 126.37 110.03 04/20/2025 13:09:09 -79.71, 126.33 110.00 0.67 66
7 04/22/2025 16:46:08 79.96,-109.97 69.70 04/22/2025 16:47:20 79.97,-110.11 69.68 2.76 72
8 04/22/2025 17:36:47 -79.79, 59.02 110.63 04/22/2025 17:36:25 -79.80, 58.92 110.61 2.07 22
9 04/24/2025 22:03:19 -79.90, -8.67 111.16 04/24/2025 22:03:40 -79.91, -8.71 111.16 0.84 21
10 04/24/2025 22:53:58 79.72, 160.42 68.49 04/24/2025 22:52:46 79.71, 160.44 68.52 0.55 72
11 04/27/2025 02:29:53 -80.04, -76.73 111.60 04/27/2025 02:30:56 -80.04, -76.58 111.65 3.07 63

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 4/15/2025
SNOs_Map_NPP_PACE_20250415.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 04/15/2025 in txt file.

Historial Predications of SNOs between NPP and PACE