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: 3/23/2023
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 69.38, 104.57 64.87 04/01/2023 04:54:07 69.35, 106.55 64.81 77.79 68
2 04/01/2023 05:43:34 -68.92, -87.47 115.62 04/01/2023 05:44:46 -68.87, -86.73 115.69 30.06 72
3 04/01/2023 06:34:14 68.58, 80.30 64.02 04/01/2023 06:35:18 68.59, 80.29 64.02 0.68 64
4 04/01/2023 07:24:57 -68.55,-112.34 116.03 04/01/2023 07:25:49 -68.53,-112.41 116.05 3.40 52
5 04/01/2023 08:15:43 68.53, 54.99 63.94 04/01/2023 08:16:16 68.52, 54.97 63.93 1.54 33
6 04/01/2023 09:06:26 -68.50,-137.65 116.11 04/01/2023 09:06:46 -68.52,-137.66 116.09 2.69 20
7 04/01/2023 09:57:12 68.48, 29.69 63.86 04/01/2023 09:57:14 68.46, 29.65 63.84 2.92 2
8 04/01/2023 10:47:55 -68.45,-162.95 116.19 04/01/2023 10:47:44 -68.46,-162.98 116.18 1.63 11
9 04/01/2023 11:38:41 68.43, 4.38 63.78 04/01/2023 11:38:11 68.45, 4.40 63.80 2.39 30
10 04/01/2023 12:29:24 -68.40, 171.74 116.27 04/01/2023 12:28:42 -68.40, 171.71 116.27 1.45 42
11 04/01/2023 13:20:10 68.38, -20.92 63.70 04/01/2023 13:19:09 68.38, -20.92 63.71 0.96 61
12 04/01/2023 14:10:53 -68.34, 146.43 116.35 04/01/2023 14:09:40 -68.33, 146.39 116.36 2.34 73
13 04/01/2023 15:01:28 67.73, -45.48 63.02 04/01/2023 15:00:18 67.72, -46.98 63.04 63.12 70

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 3/23/2023
SNOs_Map_NPP_GCOM-C_20230323.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 03/23/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C