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: 12/15/2021
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 12/20/2021 11:44:12 -69.59,-178.85 87.07 12/20/2021 11:45:21 -69.51,-177.14 87.17 67.00 69
2 12/20/2021 12:34:46 68.94, -10.62 92.26 12/20/2021 12:35:59 68.92, -10.57 92.25 2.41 73
3 12/20/2021 13:25:29 -68.91, 156.73 87.77 12/20/2021 13:26:29 -68.92, 156.80 87.76 3.06 60
4 12/20/2021 14:16:15 68.89, -35.94 92.22 12/20/2021 14:16:57 68.87, -35.88 92.20 3.34 42
5 12/20/2021 15:06:57 -68.82, 131.49 87.86 12/20/2021 15:07:28 -68.82, 131.42 87.86 2.72 31
6 12/20/2021 15:57:43 68.80, -61.18 92.12 12/20/2021 15:57:55 68.82, -61.19 92.14 2.39 12
7 12/20/2021 16:48:26 -68.77, 106.17 87.91 12/20/2021 16:48:26 -68.77, 106.11 87.91 2.52 0
8 12/20/2021 17:39:12 68.75, -86.49 92.08 12/20/2021 17:38:53 68.77, -86.50 92.09 1.31 19
9 12/20/2021 18:29:55 -68.73, 80.86 87.95 12/20/2021 18:29:24 -68.71, 80.81 87.97 2.74 31
10 12/20/2021 19:20:41 68.71,-111.81 92.04 12/20/2021 19:19:51 68.71,-111.81 92.04 0.29 50
11 12/20/2021 20:11:24 -68.69, 55.54 87.99 12/20/2021 20:10:22 -68.66, 55.50 88.02 3.30 62
12 12/20/2021 21:02:06 68.45,-136.84 91.77 12/20/2021 21:00:53 68.44,-137.40 91.77 22.63 73
13 12/20/2021 21:52:41 -68.00, 31.05 88.69 12/20/2021 21:51:31 -68.01, 29.43 88.66 67.46 70

Figure of NPP and GCOM-C satellite orbits during SNOs since TLE Epoch: 12/15/2021
SNOs_Map_NPP_GCOM-C_20211215.jpg

Download SNOs between NPP and GCOM-C since TLE EPOCH: 12/15/2021 in txt file.

Historial Predications of SNOs between NPP and GCOM-C