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: 12/3/2025
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 00:41:54 69.49, 167.67 92.30 12/10/2025 00:43:04 69.46, 169.03 92.27 53.00 70
2 12/10/2025 01:32:29 -69.05, -24.39 88.14 12/10/2025 01:33:42 -69.03, -24.19 88.17 8.31 73
3 12/10/2025 02:23:14 68.95, 143.06 91.77 12/10/2025 02:24:10 68.97, 143.12 91.78 2.92 56
4 12/10/2025 03:13:56 -68.89, -49.54 88.30 12/10/2025 03:14:41 -68.92, -49.58 88.27 3.25 45
5 12/10/2025 04:04:43 68.90, 117.76 91.72 12/10/2025 04:05:08 68.91, 117.80 91.73 2.40 25
6 12/10/2025 04:55:26 -68.89, -74.91 88.30 12/10/2025 04:55:39 -68.86, -74.89 88.32 3.21 13
7 12/10/2025 05:46:12 68.84, 92.46 91.67 12/10/2025 05:46:06 68.86, 92.49 91.68 1.96 6
8 12/10/2025 06:36:55 -68.83,-100.21 88.35 12/10/2025 06:36:37 -68.80,-100.20 88.38 3.15 18
9 12/10/2025 07:27:41 68.79, 67.16 91.62 12/10/2025 07:27:04 68.80, 67.18 91.63 1.65 37
10 12/10/2025 08:18:24 -68.78,-125.50 88.40 12/10/2025 08:17:35 -68.75,-125.51 88.43 3.20 49
11 12/10/2025 09:09:10 68.73, 41.86 91.57 12/10/2025 09:08:02 68.74, 41.87 91.58 1.49 68
12 12/10/2025 09:59:49 -68.51,-150.52 88.66 12/10/2025 09:58:36 -68.53,-151.04 88.64 21.34 73
13 12/10/2025 10:50:23 67.81, 17.68 90.66 12/10/2025 10:49:16 67.82, 15.45 90.65 93.30 67

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 12/3/2025
SNOs_Map_NPP_GCOM-C_20251203.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 12/03/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C