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: 3/20/2023
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 04/01/2023 04:52:59 69.40, 104.55 64.88 04/01/2023 04:54:07 69.34, 106.54 64.80 78.06 68
2 04/01/2023 05:43:34 -68.93, -87.48 115.61 04/01/2023 05:44:46 -68.86, -86.74 115.70 30.61 72
3 04/01/2023 06:34:14 68.60, 80.28 64.04 04/01/2023 06:35:18 68.58, 80.27 64.01 2.34 64
4 04/01/2023 07:24:57 -68.56,-112.35 116.02 04/01/2023 07:25:48 -68.58,-112.35 116.00 2.11 51
5 04/01/2023 08:15:43 68.54, 54.98 63.96 04/01/2023 08:16:15 68.57, 55.02 63.97 2.99 32
6 04/01/2023 09:06:26 -68.51,-137.66 116.10 04/01/2023 09:06:46 -68.52,-137.67 116.09 0.85 20
7 04/01/2023 09:57:12 68.49, 29.67 63.87 04/01/2023 09:57:13 68.50, 29.70 63.88 1.63 1
8 04/01/2023 10:47:55 -68.46,-162.96 116.18 04/01/2023 10:47:44 -68.45,-162.98 116.18 1.01 11
9 04/01/2023 11:38:41 68.44, 4.37 63.79 04/01/2023 11:38:11 68.44, 4.38 63.79 0.77 30
10 04/01/2023 12:29:24 -68.41, 171.73 116.26 04/01/2023 12:28:42 -68.39, 171.70 116.27 2.31 42
11 04/01/2023 13:20:10 68.39, -20.94 63.71 04/01/2023 13:19:09 68.37, -20.93 63.70 1.66 61
12 04/01/2023 14:10:53 -68.35, 146.42 116.34 04/01/2023 14:09:39 -68.38, 146.45 116.31 2.98 74
13 04/01/2023 15:01:27 67.69, -45.43 62.98 04/01/2023 15:00:18 67.71, -46.99 63.02 65.91 69

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 3/20/2023
SNOs_Map_NPP_GCOM-C_20230320.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 03/20/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C