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: 9/4/2025
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 -69.65,-153.53 115.22 09/10/2025 10:05:33 -69.60,-151.74 115.28 69.69 69
2 09/10/2025 10:54:58 69.00, 14.69 64.15 09/10/2025 10:56:11 69.01, 14.82 64.15 5.08 73
3 09/10/2025 11:45:41 -68.96,-177.93 115.89 09/10/2025 11:46:42 -68.96,-177.87 115.89 2.11 61
4 09/10/2025 12:36:26 68.89, -10.53 64.06 09/10/2025 12:37:10 68.90, -10.56 64.07 1.33 44
5 09/10/2025 13:27:10 -68.90, 156.78 115.92 09/10/2025 13:27:40 -68.90, 156.82 115.92 1.80 30
6 09/10/2025 14:17:55 68.84, -35.83 64.03 09/10/2025 14:18:08 68.85, -35.87 64.04 1.84 13
7 09/10/2025 15:08:39 -68.85, 131.48 115.95 09/10/2025 15:08:38 -68.85, 131.51 115.94 1.65 1
8 09/10/2025 15:59:24 68.78, -61.13 64.01 09/10/2025 15:59:06 68.80, -61.17 64.02 2.33 18
9 09/10/2025 16:50:08 -68.79, 106.18 115.98 09/10/2025 16:49:36 -68.80, 106.21 115.97 1.68 32
10 09/10/2025 17:40:53 68.73, -86.43 63.98 09/10/2025 17:40:04 68.75, -86.48 63.99 2.81 49
11 09/10/2025 18:31:37 -68.74, 80.88 116.01 09/10/2025 18:30:34 -68.75, 80.90 115.99 1.88 63
12 09/10/2025 19:22:18 68.46,-111.45 63.73 09/10/2025 19:21:06 68.48,-112.07 63.75 25.54 72
13 09/10/2025 20:12:54 -68.04, 56.41 116.68 09/10/2025 20:11:44 -68.05, 54.76 116.66 68.55 70

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 9/4/2025
SNOs_Map_NPP_GCOM-C_20250905.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 09/04/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C