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: 12/22/2023
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 12/29/2023 07:23:21 -69.39,-113.42 87.46 12/29/2023 07:24:30 -69.30,-111.63 87.58 70.90 69
2 12/29/2023 08:13:55 68.74, 54.78 91.88 12/29/2023 08:15:08 68.70, 54.95 91.83 7.79 73
3 12/29/2023 09:04:37 -68.65,-137.77 88.23 12/29/2023 09:05:39 -68.65,-137.75 88.23 1.04 62
4 12/29/2023 09:55:22 68.58, 29.62 91.71 12/29/2023 09:56:07 68.59, 29.56 91.71 2.55 45
5 12/29/2023 10:46:06 -68.59,-163.08 88.28 12/29/2023 10:46:37 -68.59,-163.07 88.29 1.21 31
6 12/29/2023 11:36:52 68.58, 4.24 91.71 12/29/2023 11:37:04 68.58, 4.31 91.70 2.88 12
7 12/29/2023 12:27:35 -68.54, 171.61 88.34 12/29/2023 12:27:35 -68.52, 171.62 88.36 2.15 0
8 12/29/2023 13:18:21 68.53, -21.06 91.65 12/29/2023 13:18:02 68.52, -21.00 91.64 2.90 19
9 12/29/2023 14:09:04 -68.49, 146.30 88.40 12/29/2023 14:08:33 -68.46, 146.30 88.42 3.25 31
10 12/29/2023 14:59:50 68.48, -46.37 91.60 12/29/2023 14:59:00 68.45, -46.32 91.57 3.39 50
11 12/29/2023 15:50:33 -68.44, 121.00 88.45 12/29/2023 15:49:30 -68.45, 121.06 88.43 2.89 63
12 12/29/2023 16:41:15 68.21, -71.40 91.32 12/29/2023 16:40:02 68.18, -71.91 91.29 21.41 73
13 12/29/2023 17:31:50 -67.74, 96.50 89.16 12/29/2023 17:30:40 -67.74, 94.93 89.14 66.00 70

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 12/22/2023
SNOs_Map_NPP_GCOM-C_20231222.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 12/22/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C