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: 9/7/2023
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 17:32:56 69.32, -85.54 66.67 09/16/2023 17:34:05 69.27, -83.77 66.62 69.92 69
2 09/16/2023 18:23:31 -68.84, 82.43 113.80 09/16/2023 18:24:44 -68.78, 82.95 113.86 22.00 73
3 09/16/2023 19:14:12 68.58,-109.91 65.95 09/16/2023 19:15:15 68.56,-109.96 65.93 3.06 63
4 09/16/2023 20:04:56 -68.59, 57.40 114.03 09/16/2023 20:05:45 -68.56, 57.42 114.06 2.92 49
5 09/16/2023 20:55:41 68.53,-135.22 65.93 09/16/2023 20:56:12 68.55,-135.20 65.95 2.08 31
6 09/16/2023 21:46:24 -68.49, 32.16 114.10 09/16/2023 21:46:43 -68.50, 32.11 114.09 2.36 19
7 09/16/2023 22:37:10 68.49,-160.54 65.92 09/16/2023 22:37:10 68.49,-160.52 65.92 0.83 0
8 09/16/2023 23:27:53 -68.44, 6.84 114.12 09/16/2023 23:27:41 -68.44, 6.79 114.12 1.91 12
9 09/17/2023 00:18:39 68.44, 174.15 65.90 09/17/2023 00:18:08 68.43, 174.17 65.88 1.94 31
10 09/17/2023 01:09:22 -68.40, -18.48 114.14 09/17/2023 01:08:39 -68.38, -18.52 114.16 2.86 43
11 09/17/2023 02:00:07 68.35, 148.90 65.83 09/17/2023 01:59:06 68.37, 148.85 65.85 3.09 61
12 09/17/2023 02:50:51 -68.35, -43.79 114.16 09/17/2023 02:49:36 -68.37, -43.77 114.14 2.27 75
13 09/17/2023 03:41:25 67.71, 124.33 65.22 09/17/2023 03:40:15 67.71, 122.80 65.22 64.34 70

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 9/7/2023
SNOs_Map_NPP_GCOM-C_20230907.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 09/07/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C