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: 11/29/2025
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, 169.04 92.28 53.50 70
2 12/10/2025 01:32:29 -69.05, -24.38 88.15 12/10/2025 01:33:42 -69.04, -24.17 88.16 8.36 73
3 12/10/2025 02:23:14 68.96, 143.06 91.77 12/10/2025 02:24:11 68.93, 143.06 91.74 3.37 57
4 12/10/2025 03:13:57 -68.94, -49.61 88.25 12/10/2025 03:14:41 -68.93, -49.56 88.26 2.19 44
5 12/10/2025 04:04:43 68.90, 117.76 91.72 12/10/2025 04:05:09 68.87, 117.75 91.69 3.39 26
6 12/10/2025 04:55:26 -68.88, -74.90 88.30 12/10/2025 04:55:39 -68.87, -74.87 88.31 1.71 13
7 12/10/2025 05:46:12 68.84, 92.46 91.67 12/10/2025 05:46:06 68.87, 92.51 91.69 3.21 6
8 12/10/2025 06:36:55 -68.83,-100.20 88.35 12/10/2025 06:36:37 -68.82,-100.18 88.36 1.33 18
9 12/10/2025 07:27:41 68.79, 67.16 91.62 12/10/2025 07:27:04 68.81, 67.19 91.64 2.95 37
10 12/10/2025 08:18:24 -68.77,-125.50 88.40 12/10/2025 08:17:35 -68.76,-125.50 88.41 1.11 49
11 12/10/2025 09:09:10 68.73, 41.86 91.57 12/10/2025 09:08:02 68.75, 41.88 91.59 2.79 68
12 12/10/2025 09:59:49 -68.50,-150.51 88.66 12/10/2025 09:58:36 -68.54,-151.02 88.63 21.12 73
13 12/10/2025 10:50:23 67.81, 17.67 90.66 12/10/2025 10:49:16 67.83, 15.47 90.67 92.70 67

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 11/29/2025
SNOs_Map_NPP_GCOM-C_20251129.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 11/29/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C