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: 5/9/2023
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 05/10/2023 04:20:55 69.43, 112.67 51.78 05/10/2023 04:22:03 69.34, 114.52 51.69 73.14 68
2 05/10/2023 05:11:29 -68.91, -79.30 128.76 05/10/2023 05:12:42 -68.85, -78.78 128.82 22.18 73
3 05/10/2023 06:02:10 68.63, 88.38 50.95 05/10/2023 06:03:13 68.64, 88.33 50.96 2.27 63
4 05/10/2023 06:52:54 -68.65,-104.33 129.04 05/10/2023 06:53:43 -68.64,-104.30 129.06 2.34 49
5 05/10/2023 07:43:39 68.59, 63.07 50.89 05/10/2023 07:44:11 68.59, 63.02 50.89 1.95 32
6 05/10/2023 08:34:23 -68.61,-129.64 129.10 05/10/2023 08:34:41 -68.58,-129.61 129.13 3.20 18
7 05/10/2023 09:25:08 68.54, 37.76 50.82 05/10/2023 09:25:09 68.53, 37.71 50.81 2.02 1
8 05/10/2023 10:15:51 -68.51,-154.88 129.22 05/10/2023 10:15:39 -68.53,-154.91 129.20 2.53 12
9 05/10/2023 11:06:37 68.49, 12.44 50.76 05/10/2023 11:06:07 68.48, 12.41 50.74 2.44 30
10 05/10/2023 11:57:20 -68.46, 179.80 129.29 05/10/2023 11:56:37 -68.47, 179.78 129.27 1.67 43
11 05/10/2023 12:48:06 68.45, -12.87 50.69 05/10/2023 12:47:05 68.42, -12.90 50.67 3.08 61
12 05/10/2023 13:38:49 -68.41, 154.49 129.35 05/10/2023 13:37:35 -68.42, 154.47 129.35 0.88 74
13 05/10/2023 14:29:23 67.75, -37.37 49.98 05/10/2023 14:28:14 67.77, -38.95 50.00 66.62 69
14 05/23/2023 03:36:27 69.59, 123.52 48.97 05/23/2023 03:37:34 69.50, 125.83 48.87 90.23 67

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 5/9/2023
SNOs_Map_NPP_GCOM-C_20230509.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 05/09/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C