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: 11/26/2025
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 11/27/2025 03:07:19 69.52, 131.22 90.57 11/27/2025 03:08:29 69.41, 132.57 90.48 54.29 70
2 11/27/2025 03:57:53 -69.03, -60.77 89.91 11/27/2025 03:59:06 -69.03, -60.58 89.91 7.64 73
3 11/27/2025 04:48:38 68.93, 106.67 90.00 11/27/2025 04:49:35 68.93, 106.66 89.99 0.70 57
4 11/27/2025 05:39:21 -68.92, -86.00 90.01 11/27/2025 05:40:05 -68.92, -85.97 90.01 1.23 44
5 11/27/2025 06:30:07 68.87, 81.38 89.95 11/27/2025 06:30:33 68.87, 81.35 89.95 1.06 26
6 11/27/2025 07:20:50 -68.87,-111.29 90.05 11/27/2025 07:21:03 -68.87,-111.28 90.05 0.64 13
7 11/27/2025 08:11:36 68.82, 56.08 89.91 11/27/2025 08:11:31 68.82, 56.04 89.91 1.59 5
8 11/27/2025 09:02:19 -68.81,-136.59 90.10 11/27/2025 09:02:01 -68.81,-136.59 90.10 0.36 18
9 11/27/2025 09:53:05 68.76, 30.79 89.86 11/27/2025 09:52:29 68.76, 30.73 89.86 2.16 36
10 11/27/2025 10:43:48 -68.75,-161.89 90.14 11/27/2025 10:42:59 -68.76,-161.90 90.14 0.76 49
11 11/27/2025 11:34:34 68.70, 5.49 89.82 11/27/2025 11:33:27 68.71, 5.42 89.82 2.72 67
12 11/27/2025 12:25:14 -68.54, 173.03 90.34 11/27/2025 12:24:00 -68.54, 172.58 90.35 18.23 74
13 11/27/2025 13:15:48 67.84, -18.77 88.98 11/27/2025 13:14:40 67.84, -20.92 88.95 90.16 68
14 12/10/2025 00:41:55 69.52, 167.63 92.33 12/10/2025 00:43:05 69.42, 168.98 92.23 54.17 70
15 12/10/2025 01:32:30 -69.08, -24.42 88.12 12/10/2025 01:33:42 -69.05, -24.16 88.14 11.12 72

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 11/26/2025
SNOs_Map_NPP_GCOM-C_20251126.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 11/26/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C