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: 4/21/2021
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 68.92, 30.82 56.48 04/22/2021 09:49:08 68.79, 31.50 56.34 30.66 71
2 04/22/2021 10:38:32 -68.47,-161.26 124.00 04/22/2021 10:38:42 -68.45,-161.28 124.01 1.92 10
3 04/22/2021 11:29:16 68.33, 6.22 55.86 04/22/2021 11:28:09 68.34, 6.23 55.87 1.04 67
4 04/25/2021 02:04:44 68.55, 147.09 55.22 04/25/2021 02:05:39 68.57, 147.10 55.23 1.40 55
5 04/25/2021 02:55:25 -68.42, -45.42 124.93 04/25/2021 02:55:10 -68.40, -45.46 124.95 2.88 15
6 04/25/2021 03:45:57 67.65, 122.86 54.28 04/25/2021 03:44:48 67.67, 121.33 54.32 64.92 69
7 04/27/2021 18:21:36 68.52, -97.09 54.33 04/27/2021 18:22:06 68.51, -97.09 54.31 1.34 30
8 04/27/2021 19:12:17 -68.38, 70.41 125.83 04/27/2021 19:11:36 -68.40, 70.41 125.81 2.29 41
9 04/30/2021 09:47:51 -68.92,-149.16 126.09 04/30/2021 09:49:02 -68.84,-148.45 126.18 29.74 71
10 04/30/2021 10:38:29 68.48, 18.74 53.46 04/30/2021 10:38:33 68.49, 18.77 53.47 1.92 4
11 04/30/2021 11:29:10 -68.34,-173.76 126.70 04/30/2021 11:28:04 -68.34,-173.79 126.70 1.15 66
12 05/03/2021 02:04:38 -68.56, -32.90 127.25 05/03/2021 02:05:34 -68.54, -32.93 127.28 2.71 56
13 05/03/2021 02:55:22 68.45, 134.56 52.62 05/03/2021 02:55:01 68.42, 134.56 52.59 3.28 21
14 05/03/2021 03:45:51 -67.66, -57.13 128.19 05/03/2021 03:44:42 -67.71, -58.64 128.13 64.09 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/21/2021
SNOs_Map_NPP_TERRA_20210421.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/21/2021 in txt file.

Historial Predications of SNOs between NPP and TERRA