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: 12/4/2025
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 12/10/2025 00:41:53 69.48, 167.70 92.28 12/10/2025 00:43:03 69.46, 169.04 92.27 52.28 70
2 12/10/2025 01:32:28 -69.04, -24.37 88.16 12/10/2025 01:33:41 -69.03, -24.19 88.17 7.25 73
3 12/10/2025 02:23:13 68.94, 143.08 91.75 12/10/2025 02:24:10 68.92, 143.05 91.73 2.53 57
4 12/10/2025 03:13:56 -68.93, -49.59 88.26 12/10/2025 03:14:40 -68.92, -49.57 88.27 1.61 44
5 12/10/2025 04:04:42 68.88, 117.78 91.70 12/10/2025 04:05:08 68.86, 117.74 91.68 2.94 26
6 12/10/2025 04:55:25 -68.88, -74.89 88.31 12/10/2025 04:55:38 -68.86, -74.89 88.32 1.56 13
7 12/10/2025 05:46:11 68.83, 92.48 91.65 12/10/2025 05:46:06 68.81, 92.42 91.63 3.41 5
8 12/10/2025 06:36:54 -68.82,-100.19 88.36 12/10/2025 06:36:36 -68.81,-100.20 88.37 1.73 18
9 12/10/2025 07:27:40 68.77, 67.18 91.60 12/10/2025 07:27:03 68.80, 67.18 91.63 3.39 37
10 12/10/2025 08:18:23 -68.76,-125.49 88.41 12/10/2025 08:17:34 -68.75,-125.51 88.43 2.04 49
11 12/10/2025 09:09:09 68.72, 41.88 91.55 12/10/2025 09:08:01 68.74, 41.87 91.58 3.33 68
12 12/10/2025 09:59:48 -68.49,-150.50 88.67 12/10/2025 09:58:35 -68.53,-151.04 88.64 22.17 73
13 12/10/2025 10:50:22 67.80, 17.69 90.65 12/10/2025 10:49:15 67.82, 15.46 90.66 93.98 67

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 12/4/2025
SNOs_Map_NPP_GCOM-C_20251205.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 12/04/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C