Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and GCOM-C Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/8/2025
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (GCOM-C) Time (GCOM-C) Lat,Lon (GCOM-C) SZA (GCOM-C ) Distance(km) Time Diff (sec)
1 06/11/2025 16:05:09 69.86, -64.33 46.66 06/11/2025 16:06:16 69.80, -62.10 46.56 85.74 67
2 06/11/2025 16:55:44 -69.38, 103.69 133.85 06/11/2025 16:56:55 -69.31, 104.57 133.93 35.12 71
3 06/11/2025 17:46:23 69.02, -88.49 45.78 06/11/2025 17:47:28 69.00, -88.48 45.76 1.91 65
4 06/11/2025 18:37:07 -69.01, 78.84 134.23 06/11/2025 18:37:58 -68.99, 78.89 134.25 2.96 51
5 06/11/2025 19:27:52 68.97,-113.79 45.73 06/11/2025 19:28:26 68.95,-113.79 45.70 2.07 34
6 06/11/2025 20:18:36 -68.96, 53.53 134.29 06/11/2025 20:18:56 -68.94, 53.58 134.31 3.03 20
7 06/11/2025 21:09:21 68.92,-139.10 45.67 06/11/2025 21:09:24 68.90,-139.09 45.65 2.24 3
8 06/11/2025 22:00:05 -68.91, 28.23 134.34 06/11/2025 21:59:54 -68.89, 28.27 134.36 3.12 11
9 06/11/2025 22:50:50 68.87,-164.40 45.61 06/11/2025 22:50:22 68.84,-164.40 45.59 2.42 28
10 06/11/2025 23:41:34 -68.86, 2.92 134.40 06/11/2025 23:40:52 -68.84, 2.97 134.42 3.24 42
11 06/12/2025 00:32:19 68.82, 170.29 45.56 06/12/2025 00:31:20 68.79, 170.29 45.54 2.60 59
12 06/12/2025 01:23:02 -68.76, -22.31 134.51 06/12/2025 01:21:50 -68.79, -22.34 134.47 3.30 72
13 06/12/2025 02:13:38 68.23, 145.69 44.96 06/12/2025 02:12:28 68.20, 144.29 44.95 58.18 70

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 6/8/2025
SNOs_Map_NPP_GCOM-C_20250608.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 06/08/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C