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: 8/29/2025
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 09/10/2025 10:04:24 -69.66,-153.55 115.21 09/10/2025 10:05:33 -69.60,-151.74 115.27 70.38 69
2 09/10/2025 10:54:58 69.02, 14.67 64.16 09/10/2025 10:56:11 69.01, 14.82 64.15 5.98 73
3 09/10/2025 11:45:41 -68.96,-177.94 115.88 09/10/2025 11:46:42 -68.96,-177.87 115.89 2.81 61
4 09/10/2025 12:36:26 68.91, -10.55 64.08 09/10/2025 12:37:10 68.90, -10.56 64.07 0.97 44
5 09/10/2025 13:27:10 -68.91, 156.76 115.91 09/10/2025 13:27:40 -68.91, 156.83 115.91 2.46 30
6 09/10/2025 14:17:55 68.85, -35.85 64.05 09/10/2025 14:18:08 68.85, -35.87 64.04 0.79 13
7 09/10/2025 15:08:39 -68.85, 131.47 115.94 09/10/2025 15:08:38 -68.86, 131.52 115.94 2.24 1
8 09/10/2025 15:59:24 68.80, -61.15 64.02 09/10/2025 15:59:06 68.80, -61.17 64.02 0.96 18
9 09/10/2025 16:50:08 -68.80, 106.17 115.97 09/10/2025 16:49:36 -68.81, 106.21 115.96 2.17 32
10 09/10/2025 17:40:53 68.74, -86.45 63.99 09/10/2025 17:40:04 68.75, -86.48 63.99 1.34 49
11 09/10/2025 18:31:37 -68.74, 80.87 116.00 09/10/2025 18:30:34 -68.76, 80.91 115.99 2.27 63
12 09/10/2025 19:22:18 68.47,-111.46 63.74 09/10/2025 19:21:06 68.48,-112.07 63.75 24.66 72
13 09/10/2025 20:12:54 -68.04, 56.40 116.68 09/10/2025 20:11:44 -68.06, 54.77 116.66 67.84 70

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 8/29/2025
SNOs_Map_NPP_GCOM-C_20250830.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 08/29/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C