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: 12/6/2025
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 69.48, 167.69 92.29 12/10/2025 00:43:04 69.46, 169.03 92.27 52.42 70
2 12/10/2025 01:32:29 -69.05, -24.38 88.15 12/10/2025 01:33:42 -69.02, -24.20 88.17 7.78 73
3 12/10/2025 02:23:14 68.95, 143.07 91.76 12/10/2025 02:24:10 68.97, 143.12 91.78 3.32 56
4 12/10/2025 03:13:57 -68.94, -49.60 88.25 12/10/2025 03:14:41 -68.91, -49.58 88.28 3.09 44
5 12/10/2025 04:04:43 68.89, 117.77 91.71 12/10/2025 04:05:08 68.91, 117.80 91.73 2.92 25
6 12/10/2025 04:55:26 -68.88, -74.90 88.30 12/10/2025 04:55:39 -68.86, -74.90 88.33 3.06 13
7 12/10/2025 05:46:12 68.83, 92.47 91.66 12/10/2025 05:46:06 68.86, 92.49 91.68 2.62 6
8 12/10/2025 06:36:55 -68.83,-100.20 88.35 12/10/2025 06:36:37 -68.80,-100.21 88.38 3.16 18
9 12/10/2025 07:27:41 68.78, 67.18 91.61 12/10/2025 07:27:04 68.80, 67.18 91.63 2.44 37
10 12/10/2025 08:18:24 -68.77,-125.50 88.40 12/10/2025 08:17:35 -68.74,-125.52 88.43 3.35 49
11 12/10/2025 09:09:10 68.72, 41.88 91.56 12/10/2025 09:08:02 68.74, 41.86 91.58 2.39 68
12 12/10/2025 09:59:48 -68.50,-150.51 88.66 12/10/2025 09:58:35 -68.52,-151.04 88.65 21.85 73
13 12/10/2025 10:50:22 67.80, 17.69 90.65 12/10/2025 10:49:15 67.82, 15.45 90.65 93.86 67

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 12/6/2025
SNOs_Map_NPP_GCOM-C_20251207.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 12/06/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C