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 10:04:25 -69.66,-153.55 115.20 09/10/2025 10:05:34 -69.59,-151.75 115.28 70.24 69
2 09/10/2025 10:54:59 69.02, 14.67 64.17 09/10/2025 10:56:12 68.99, 14.80 64.14 6.33 73
3 09/10/2025 11:45:42 -68.97,-177.94 115.88 09/10/2025 11:46:43 -68.95,-177.88 115.90 3.21 61
4 09/10/2025 12:36:27 68.91, -10.56 64.08 09/10/2025 12:37:11 68.89, -10.58 64.06 2.70 44
5 09/10/2025 13:27:11 -68.91, 156.76 115.91 09/10/2025 13:27:41 -68.90, 156.81 115.92 2.65 30
6 09/10/2025 14:17:55 68.86, -35.86 64.05 09/10/2025 14:18:08 68.84, -35.88 64.03 2.34 13
7 09/10/2025 15:08:39 -68.86, 131.46 115.94 09/10/2025 15:08:38 -68.85, 131.51 115.95 2.13 1
8 09/10/2025 15:59:24 68.80, -61.16 64.02 09/10/2025 15:59:06 68.79, -61.19 64.01 2.06 18
9 09/10/2025 16:50:08 -68.80, 106.16 115.97 09/10/2025 16:49:36 -68.80, 106.20 115.97 1.68 32
10 09/10/2025 17:40:53 68.75, -86.46 63.99 09/10/2025 17:40:04 68.74, -86.49 63.98 1.90 49
11 09/10/2025 18:31:37 -68.75, 80.86 116.00 09/10/2025 18:30:34 -68.75, 80.89 116.00 1.36 63
12 09/10/2025 19:22:18 68.47,-111.47 63.75 09/10/2025 19:21:05 68.52,-112.01 63.80 22.65 73
13 09/10/2025 20:12:54 -68.05, 56.40 116.67 09/10/2025 20:11:44 -68.05, 54.76 116.67 68.14 70

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 8/29/2025
SNOs_Map_NPP_GCOM-C_20250829.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