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: 4/18/2021
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 04/19/2021 18:21:39 -68.50, 82.92 123.05 04/19/2021 18:22:14 -68.51, 82.91 123.05 1.52 35
2 04/19/2021 19:12:23 68.37,-109.60 56.80 04/19/2021 19:11:42 68.35,-109.64 56.78 2.77 41
3 04/22/2021 09:47:57 68.90, 30.84 56.47 04/22/2021 09:49:08 68.80, 31.52 56.35 29.43 71
4 04/22/2021 10:38:32 -68.45,-161.24 124.01 04/22/2021 10:38:42 -68.47,-161.26 124.00 2.38 10
5 04/22/2021 11:29:16 68.32, 6.24 55.85 04/22/2021 11:28:10 68.30, 6.18 55.83 3.24 66
6 04/25/2021 02:04:43 68.54, 147.10 55.21 04/25/2021 02:05:39 68.53, 147.06 55.19 2.47 56
7 04/25/2021 02:55:24 -68.40, -45.40 124.94 04/25/2021 02:55:09 -68.42, -45.44 124.93 2.56 15
8 04/25/2021 03:45:56 67.63, 122.88 54.27 04/25/2021 03:44:47 67.69, 121.35 54.34 64.96 69
9 04/27/2021 18:21:36 68.50, -97.07 54.31 04/27/2021 18:22:06 68.53, -97.07 54.33 2.73 30
10 04/27/2021 19:12:17 -68.36, 70.43 125.85 04/27/2021 19:11:37 -68.37, 70.38 125.84 2.52 40
11 04/30/2021 09:47:51 -68.90,-149.13 126.11 04/30/2021 09:49:03 -68.81,-148.48 126.21 28.00 72
12 04/30/2021 10:38:29 68.47, 18.76 53.44 04/30/2021 10:38:34 68.47, 18.74 53.44 0.71 5
13 04/30/2021 11:29:11 -68.38,-173.81 126.66 04/30/2021 11:28:04 -68.37,-173.75 126.67 2.58 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/18/2021
SNOs_Map_NPP_TERRA_20210418.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/18/2021 in txt file.

Historial Predications of SNOs between NPP and TERRA