Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/20/2021
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 04/22/2021 09:47:57 68.93, 30.81 56.49 04/22/2021 09:49:07 68.83, 31.55 56.38 31.83 70
2 04/22/2021 10:38:32 -68.48,-161.27 123.99 04/22/2021 10:38:41 -68.50,-161.23 123.97 2.62 9
3 04/22/2021 11:29:16 68.35, 6.21 55.87 04/22/2021 11:28:09 68.33, 6.22 55.86 1.94 67
4 04/25/2021 02:04:44 68.57, 147.07 55.24 04/25/2021 02:05:39 68.55, 147.09 55.22 1.74 55
5 04/25/2021 02:55:25 -68.43, -45.44 124.92 04/25/2021 02:55:09 -68.45, -45.41 124.91 1.68 16
6 04/25/2021 03:45:57 67.66, 122.85 54.29 04/25/2021 03:44:47 67.71, 121.38 54.36 62.34 70
7 04/27/2021 18:21:37 68.53, -97.10 54.34 04/27/2021 18:22:06 68.55, -97.04 54.35 3.33 29
8 04/27/2021 19:12:18 -68.39, 70.40 125.82 04/27/2021 19:11:37 -68.39, 70.40 125.82 0.35 41
9 04/30/2021 09:47:51 -68.93,-149.17 126.08 04/30/2021 09:49:02 -68.83,-148.46 126.19 30.94 71
10 04/30/2021 10:38:29 68.50, 18.72 53.47 04/30/2021 10:38:33 68.48, 18.76 53.46 2.29 4
11 04/30/2021 11:29:10 -68.35,-173.78 126.69 04/30/2021 11:28:04 -68.33,-173.80 126.71 3.17 66
12 05/03/2021 02:04:38 -68.58, -32.92 127.24 05/03/2021 02:05:33 -68.59, -32.88 127.23 2.13 55
13 05/03/2021 02:55:21 68.41, 134.61 52.59 05/03/2021 02:55:01 68.41, 134.55 52.58 2.23 20
14 05/03/2021 03:45:51 -67.68, -57.15 128.17 05/03/2021 03:44:41 -67.76, -58.58 128.08 61.33 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/20/2021
SNOs_Map_NPP_TERRA_20210420.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/20/2021 in txt file.

Historial Predications of SNOs between NPP and TERRA