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: 3/31/2021
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 04/01/2021 02:04:53 -68.54, -32.94 116.13 04/01/2021 02:05:55 -68.55, -32.90 116.13 1.80 62
2 04/01/2021 02:55:37 68.40, 134.55 63.72 04/01/2021 02:55:23 68.38, 134.55 63.70 2.22 14
3 04/01/2021 03:46:10 -67.85, -57.43 116.86 04/01/2021 03:44:59 -67.94, -58.34 116.76 39.32 71
4 04/03/2021 18:21:46 -68.48, 82.92 117.23 04/03/2021 18:22:24 -68.49, 82.91 117.22 1.25 38
5 04/03/2021 19:12:30 68.34,-109.60 62.62 04/03/2021 19:11:52 68.32,-109.65 62.60 3.38 38
6 04/06/2021 09:48:05 68.97, 30.71 62.28 04/06/2021 09:49:16 68.86, 31.61 62.14 37.96 71
7 04/06/2021 10:38:39 -68.47,-161.29 118.26 04/06/2021 10:38:51 -68.48,-161.23 118.25 2.66 12
8 04/06/2021 11:29:22 68.28, 6.26 61.54 04/06/2021 11:28:19 68.30, 6.21 61.57 3.29 63
9 04/09/2021 02:04:51 68.54, 147.07 60.83 04/09/2021 02:05:49 68.56, 147.12 60.85 3.25 58
10 04/09/2021 02:55:32 -68.41, -45.44 119.32 04/09/2021 02:55:20 -68.41, -45.44 119.33 0.35 12
11 04/09/2021 03:46:06 67.74, 122.71 59.99 04/09/2021 03:44:56 67.78, 121.47 60.05 52.31 70
12 04/11/2021 18:21:44 68.49, -97.09 59.79 04/11/2021 18:22:18 68.49, -97.10 59.78 0.69 34
13 04/11/2021 19:12:25 -68.35, 70.41 120.37 04/11/2021 19:11:49 -68.33, 70.35 120.39 3.65 36
14 04/14/2021 09:48:02 -69.04,-149.36 120.61 04/14/2021 09:49:13 -68.91,-148.34 120.76 43.10 71
15 04/14/2021 10:38:37 68.44, 18.76 58.76 04/14/2021 10:38:46 68.46, 18.74 58.78 2.13 9
16 04/14/2021 11:29:18 -68.30,-173.75 121.40 04/14/2021 11:28:17 -68.31,-173.81 121.39 2.62 61

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/31/2021
SNOs_Map_NPP_TERRA_20210401.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/31/2021 in txt file.

Historial Predications of SNOs between NPP and TERRA