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: 4/23/2021
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 04/25/2021 02:04:44 68.56, 147.08 55.23 04/25/2021 02:05:39 68.56, 147.09 55.22 0.69 55
2 04/25/2021 02:55:25 -68.43, -45.43 124.92 04/25/2021 02:55:09 -68.45, -45.41 124.90 2.25 16
3 04/25/2021 03:45:57 67.65, 122.85 54.29 04/25/2021 03:44:48 67.67, 121.32 54.32 64.82 69
4 04/27/2021 18:21:36 68.52, -97.09 54.33 04/27/2021 18:22:06 68.50, -97.10 54.31 2.34 30
5 04/27/2021 19:12:17 -68.39, 70.40 125.82 04/27/2021 19:11:36 -68.39, 70.40 125.82 0.70 41
6 04/30/2021 09:47:51 -68.93,-149.16 126.08 04/30/2021 09:49:02 -68.83,-148.46 126.19 30.11 71
7 04/30/2021 10:38:29 68.48, 18.73 53.46 04/30/2021 10:38:33 68.49, 18.77 53.47 1.60 4
8 04/30/2021 11:29:10 -68.34,-173.77 126.70 04/30/2021 11:28:04 -68.33,-173.79 126.71 1.83 66
9 05/03/2021 02:04:38 -68.57, -32.90 127.25 05/03/2021 02:05:34 -68.54, -32.94 127.28 3.05 56
10 05/03/2021 02:55:22 68.45, 134.56 52.62 05/03/2021 02:55:01 68.42, 134.56 52.59 3.14 21
11 05/03/2021 03:45:51 -67.66, -57.13 128.19 05/03/2021 03:44:42 -67.71, -58.64 128.13 64.10 69
12 05/05/2021 18:21:31 -68.53, 82.93 128.06 05/05/2021 18:22:01 -68.52, 82.92 128.07 0.47 30
13 05/05/2021 19:12:15 68.42,-109.62 51.82 05/05/2021 19:11:28 68.40,-109.58 51.80 2.23 47

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/23/2021
SNOs_Map_NPP_TERRA_20210423.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/23/2021 in txt file.

Historial Predications of SNOs between NPP and TERRA