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: 11/28/2025
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 00:41:55 69.55, 167.59 92.35 12/10/2025 00:43:04 69.47, 169.06 92.29 57.47 69
2 12/10/2025 01:32:29 -69.05, -24.38 88.15 12/10/2025 01:33:43 -69.00, -24.23 88.20 8.56 74
3 12/10/2025 02:23:14 68.96, 143.05 91.77 12/10/2025 02:24:11 68.93, 143.07 91.75 2.71 57
4 12/10/2025 03:13:57 -68.94, -49.61 88.25 12/10/2025 03:14:41 -68.94, -49.55 88.25 2.37 44
5 12/10/2025 04:04:43 68.90, 117.76 91.72 12/10/2025 04:05:09 68.88, 117.76 91.69 2.63 26
6 12/10/2025 04:55:26 -68.89, -74.90 88.30 12/10/2025 04:55:39 -68.88, -74.86 88.30 1.79 13
7 12/10/2025 05:46:12 68.84, 92.46 91.67 12/10/2025 05:46:07 68.82, 92.44 91.64 2.69 5
8 12/10/2025 06:36:55 -68.83,-100.20 88.35 12/10/2025 06:36:37 -68.83,-100.17 88.35 1.24 18
9 12/10/2025 07:27:41 68.79, 67.16 91.62 12/10/2025 07:27:05 68.76, 67.13 91.59 2.86 36
10 12/10/2025 08:18:24 -68.77,-125.50 88.40 12/10/2025 08:17:35 -68.77,-125.48 88.40 0.72 49
11 12/10/2025 09:09:10 68.73, 41.86 91.57 12/10/2025 09:08:03 68.71, 41.82 91.54 3.11 67
12 12/10/2025 09:59:50 -68.56,-150.58 88.61 12/10/2025 09:58:36 -68.55,-151.01 88.62 17.15 74
13 12/10/2025 10:50:23 67.81, 17.67 90.66 12/10/2025 10:49:16 67.84, 15.48 90.67 92.15 67

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 11/28/2025
SNOs_Map_NPP_GCOM-C_20251128.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 11/28/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C