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: 9/12/2023
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 09/16/2023 17:32:57 69.36, -85.60 66.71 09/16/2023 17:34:05 69.30, -83.73 66.65 73.68 68
2 09/16/2023 18:23:32 -68.89, 82.37 113.75 09/16/2023 18:24:44 -68.81, 82.99 113.83 26.20 72
3 09/16/2023 19:14:12 68.56,-109.89 65.94 09/16/2023 19:15:15 68.59,-109.92 65.96 3.16 63
4 09/16/2023 20:04:56 -68.58, 57.41 114.04 09/16/2023 20:05:45 -68.59, 57.46 114.03 2.28 49
5 09/16/2023 20:55:41 68.52,-135.20 65.92 09/16/2023 20:56:13 68.53,-135.23 65.93 1.63 32
6 09/16/2023 21:46:25 -68.53, 32.10 114.06 09/16/2023 21:46:43 -68.53, 32.14 114.06 1.95 18
7 09/16/2023 22:37:10 68.47,-160.52 65.90 09/16/2023 22:37:11 68.47,-160.55 65.90 1.36 1
8 09/16/2023 23:27:54 -68.49, 6.78 114.07 09/16/2023 23:27:41 -68.47, 6.83 114.10 3.00 13
9 09/17/2023 00:18:39 68.43, 174.17 65.88 09/17/2023 00:18:09 68.41, 174.14 65.86 2.76 30
10 09/17/2023 01:09:22 -68.39, -18.47 114.15 09/17/2023 01:08:39 -68.41, -18.49 114.13 2.05 43
11 09/17/2023 02:00:08 68.39, 148.85 65.87 09/17/2023 01:59:06 68.40, 148.89 65.88 2.46 62
12 09/17/2023 02:50:51 -68.35, -43.78 114.16 09/17/2023 02:49:37 -68.35, -43.80 114.16 0.72 74
13 09/17/2023 03:41:25 67.69, 124.34 65.20 09/17/2023 03:40:15 67.74, 122.84 65.25 63.69 70

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 9/12/2023
SNOs_Map_NPP_GCOM-C_20230912.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 09/12/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C