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: 5/26/2021
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 05/27/2021 01:14:24 -68.95, -20.82 132.46 05/27/2021 01:15:36 -68.84, -20.19 132.58 27.78 72
2 05/27/2021 02:05:02 68.51, 147.08 47.08 05/27/2021 02:05:07 68.51, 147.04 47.08 1.58 5
3 05/27/2021 02:55:44 -68.42, -45.48 133.02 05/27/2021 02:54:37 -68.40, -45.46 133.03 2.31 67
4 05/29/2021 17:31:15 -68.62, 95.39 133.22 05/29/2021 17:32:06 -68.61, 95.40 133.24 1.22 51
5 05/29/2021 18:21:59 68.50, -97.14 46.65 05/29/2021 18:21:33 68.49, -97.10 46.64 2.23 26
6 05/29/2021 19:12:25 -67.55, 71.37 134.32 05/29/2021 19:11:17 -67.60, 69.50 134.24 79.69 68
7 06/01/2021 08:57:43 69.40, 42.76 47.21 06/01/2021 08:58:51 69.30, 44.53 47.08 70.38 68
8 06/01/2021 09:48:11 -68.56,-148.76 133.67 06/01/2021 09:48:33 -68.53,-148.81 133.69 3.35 22
9 06/01/2021 10:38:55 68.44, 18.70 46.22 06/01/2021 10:38:00 68.41, 18.69 46.19 3.45 55
10 06/04/2021 01:14:25 68.65, 159.56 46.11 06/04/2021 01:15:27 68.66, 159.60 46.11 1.86 62
11 06/04/2021 02:05:06 -68.50, -32.92 134.06 06/04/2021 02:04:58 -68.51, -32.96 134.05 1.94 8
12 06/04/2021 02:55:42 67.95, 135.09 45.39 06/04/2021 02:54:31 68.04, 134.14 45.49 40.71 71
13 06/06/2021 17:31:21 68.60, -84.60 45.76 06/06/2021 17:31:54 68.57, -84.63 45.73 3.30 33
14 06/06/2021 18:22:03 -68.49, 82.85 134.35 06/06/2021 18:21:24 -68.47, 82.89 134.37 2.57 39

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/26/2021
SNOs_Map_NPP_TERRA_20210526.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/26/2021 in txt file.

Historial Predications of SNOs between NPP and TERRA