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: 12/31/2024
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 01/07/2025 00:56:54 69.76, 162.54 92.08 01/07/2025 00:58:04 69.72, 163.72 92.00 45.77 70
2 01/07/2025 01:47:30 -69.33, -29.52 88.38 01/07/2025 01:48:42 -69.31, -29.49 88.41 2.69 72
3 01/07/2025 02:38:15 69.28, 137.85 91.57 01/07/2025 02:39:09 69.31, 137.90 91.59 3.16 54
4 01/07/2025 03:28:59 -69.28, -54.82 88.44 01/07/2025 03:29:40 -69.27, -54.78 88.45 1.95 41
5 01/07/2025 04:19:44 69.23, 112.55 91.51 01/07/2025 04:20:08 69.22, 112.53 91.50 1.74 24
6 01/07/2025 05:10:28 -69.23, -80.13 88.50 01/07/2025 05:10:38 -69.24, -80.07 88.49 2.65 10
7 01/07/2025 06:01:13 69.18, 87.25 91.45 01/07/2025 06:01:06 69.18, 87.24 91.45 0.21 7
8 01/07/2025 06:51:57 -69.18,-105.43 88.56 01/07/2025 06:51:37 -69.15,-105.43 88.59 3.15 20
9 01/07/2025 07:42:42 69.13, 61.95 91.39 01/07/2025 07:42:04 69.15, 61.96 91.41 1.91 38
10 01/07/2025 08:33:26 -69.13,-130.73 88.62 01/07/2025 08:32:35 -69.11,-130.71 88.63 1.59 51
11 01/07/2025 09:24:11 69.08, 36.64 91.33 01/07/2025 09:23:03 69.06, 36.60 91.31 3.06 68
12 01/07/2025 10:14:50 -68.81,-155.67 88.96 01/07/2025 10:13:37 -68.86,-156.29 88.89 25.67 73
13 01/07/2025 11:05:24 68.17, 12.48 90.38 01/07/2025 11:04:17 68.16, 10.18 90.43 95.14 67

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 12/31/2024
SNOs_Map_NPP_GCOM-C_20241231.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 12/31/2024 in txt file.

Historial Predications of SNOs between NPP and GCOM-C