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: 8/12/2023
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 08/21/2023 19:52:46 -69.23, 59.69 122.85 08/21/2023 19:53:56 -69.12, 61.13 122.98 58.16 70
2 08/21/2023 20:43:21 68.63,-132.19 56.55 08/21/2023 20:44:32 68.63,-132.14 56.55 2.13 71
3 08/21/2023 21:34:04 -68.59, 35.17 123.48 08/21/2023 21:35:03 -68.58, 35.17 123.50 1.75 59
4 08/21/2023 22:24:50 68.58,-157.51 56.53 08/21/2023 22:25:30 68.57,-157.45 56.51 2.64 40
5 08/21/2023 23:15:33 -68.55, 9.86 123.50 08/21/2023 23:16:01 -68.52, 9.86 123.53 3.00 28
6 08/22/2023 00:06:18 68.48, 177.25 56.45 08/22/2023 00:06:28 68.51, 177.24 56.48 3.23 10
7 08/22/2023 00:57:02 -68.50, -15.45 123.52 08/22/2023 00:56:58 -68.52, -15.38 123.51 3.30 4
8 08/22/2023 01:47:47 68.44, 151.94 56.43 08/22/2023 01:47:26 68.45, 151.92 56.44 1.97 21
9 08/22/2023 02:38:30 -68.40, -40.70 123.60 08/22/2023 02:37:57 -68.40, -40.77 123.60 2.81 33
10 08/22/2023 03:29:16 68.39, 126.62 56.40 08/22/2023 03:28:24 68.39, 126.61 56.41 0.77 52
11 08/22/2023 04:19:59 -68.35, -66.01 123.63 08/22/2023 04:18:55 -68.35, -66.08 123.63 2.76 64
12 08/22/2023 05:10:39 68.02, 101.72 56.05 08/22/2023 05:09:27 68.06, 100.96 56.11 32.03 72
13 08/22/2023 06:01:15 -67.61, -90.46 124.36 08/22/2023 06:00:06 -67.58, -92.25 124.35 76.12 69

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 8/12/2023
SNOs_Map_NPP_GCOM-C_20230812.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 08/12/2023 in txt file.

Historial Predications of SNOs between NPP and GCOM-C