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: 4/12/2023
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 04/14/2023 04:59:25 -69.24, -76.79 120.18 04/14/2023 05:00:35 -69.13, -75.37 120.30 57.57 70
2 04/14/2023 05:50:00 68.62, 91.35 59.19 04/14/2023 05:51:11 68.64, 91.37 59.21 2.02 71
3 04/14/2023 06:40:43 -68.60,-101.30 120.85 04/14/2023 06:41:42 -68.59,-101.33 120.87 2.10 59
4 04/14/2023 07:31:29 68.57, 66.05 59.12 04/14/2023 07:32:09 68.58, 66.06 59.12 1.26 40
5 04/14/2023 08:22:12 -68.55,-126.60 120.93 04/14/2023 08:22:40 -68.53,-126.64 120.95 2.77 28
6 04/14/2023 09:12:58 68.52, 40.74 59.04 04/14/2023 09:13:07 68.53, 40.75 59.04 0.52 9
7 04/14/2023 10:03:40 -68.50,-151.91 121.00 04/14/2023 10:03:36 -68.53,-151.88 120.98 3.18 4
8 04/14/2023 10:54:26 68.47, 15.43 58.96 04/14/2023 10:54:04 68.47, 15.44 58.96 0.37 22
9 04/14/2023 11:45:09 -68.45,-177.22 121.08 04/14/2023 11:44:34 -68.47,-177.19 121.06 2.48 35
10 04/14/2023 12:35:55 68.42, -9.88 58.89 04/14/2023 12:35:02 68.41, -9.88 58.88 1.08 53
11 04/14/2023 13:26:38 -68.40, 157.47 121.16 04/14/2023 13:25:32 -68.41, 157.50 121.14 1.82 66
12 04/14/2023 14:17:18 68.05, -34.77 58.48 04/14/2023 14:16:06 68.03, -35.59 58.47 34.32 72
13 04/14/2023 15:07:53 -67.60, 133.11 121.99 04/14/2023 15:06:44 -67.60, 131.25 121.97 78.56 69

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 4/12/2023
SNOs_Map_NPP_GCOM-C_20230412.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 04/12/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C