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: 1/13/2025
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 01/20/2025 07:49:23 -69.81,-120.63 90.16 01/20/2025 07:50:33 -69.76,-119.07 90.26 60.16 70
2 01/20/2025 08:39:58 69.24, 47.50 89.24 01/20/2025 08:41:10 69.24, 47.56 89.23 2.43 72
3 01/20/2025 09:30:42 -69.23,-145.17 90.78 01/20/2025 09:31:41 -69.22,-145.10 90.80 3.08 59
4 01/20/2025 10:21:27 69.19, 22.20 89.17 01/20/2025 10:22:09 69.17, 22.23 89.15 2.06 42
5 01/20/2025 11:12:10 -69.12,-170.40 90.90 01/20/2025 11:12:40 -69.15,-170.43 90.88 3.02 30
6 01/20/2025 12:02:56 69.14, -3.11 89.11 01/20/2025 12:03:08 69.10, -3.10 89.07 3.63 12
7 01/20/2025 12:53:39 -69.07, 164.30 90.97 01/20/2025 12:53:39 -69.08, 164.24 90.96 2.51 0
8 01/20/2025 13:44:25 69.09, -28.41 89.04 01/20/2025 13:44:06 69.09, -28.36 89.04 1.91 19
9 01/20/2025 14:35:09 -69.08, 138.92 90.98 01/20/2025 14:34:37 -69.07, 138.98 90.99 2.63 32
10 01/20/2025 15:25:54 69.04, -53.72 88.97 01/20/2025 15:25:05 69.02, -53.70 88.96 1.78 49
11 01/20/2025 16:16:37 -68.97, 113.69 91.11 01/20/2025 16:15:36 -69.00, 113.65 91.07 3.25 61
12 01/20/2025 17:07:20 68.83, -78.80 88.74 01/20/2025 17:06:06 68.85, -79.17 88.78 15.14 74
13 01/20/2025 17:57:55 -68.34, 89.16 91.78 01/20/2025 17:56:45 -68.39, 87.60 91.67 64.30 70

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 1/13/2025
SNOs_Map_NPP_GCOM-C_20250113.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 01/13/2025 in txt file.

Historial Predications of SNOs between NPP and GCOM-C