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: 8/30/2021
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 08/30/2021 23:33:57 -68.81, 4.57 119.93 08/30/2021 23:35:04 -68.82, 4.50 119.93 2.74 67
2 08/31/2021 00:24:41 68.68, 172.05 59.96 08/31/2021 00:24:31 68.71, 172.01 59.98 3.27 10
3 08/31/2021 01:15:17 -68.28, -20.11 120.45 08/31/2021 01:14:05 -68.37, -20.76 120.34 28.93 72
4 09/02/2021 15:50:53 -68.78, 120.37 118.99 09/02/2021 15:51:30 -68.79, 120.36 118.98 1.24 37
5 09/02/2021 16:41:37 68.66, -72.15 60.90 09/02/2021 16:40:57 68.68, -72.14 60.92 2.41 40
6 09/05/2021 07:17:12 69.12, 68.37 62.33 09/05/2021 07:18:23 69.04, 68.91 62.24 23.51 71
7 09/05/2021 08:07:49 -68.76,-123.83 118.02 09/05/2021 08:07:56 -68.76,-123.80 118.03 1.18 7
8 09/05/2021 08:58:33 68.64, 43.64 61.87 09/05/2021 08:57:23 68.65, 43.70 61.87 2.44 70
9 09/07/2021 23:34:03 68.84,-175.48 63.04 09/07/2021 23:34:52 68.83,-175.47 63.03 1.02 49
10 09/08/2021 00:24:45 -68.74, -8.03 117.05 09/08/2021 00:24:22 -68.72, -7.96 117.07 3.37 23
11 09/08/2021 01:15:12 67.71, 160.60 61.93 09/08/2021 01:14:05 67.71, 158.48 61.95 89.58 67
12 09/10/2021 15:00:30 -69.73, 131.72 115.06 09/10/2021 15:01:38 -69.62, 133.80 115.19 81.33 68
13 09/10/2021 15:50:57 68.77, -59.62 63.98 09/10/2021 15:51:17 68.78, -59.65 63.99 1.42 20
14 09/10/2021 16:41:39 -68.67, 107.83 116.11 09/10/2021 16:40:47 -68.68, 107.86 116.10 1.37 52

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/30/2021
SNOs_Map_NPP_TERRA_20210830.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/30/2021 in txt file.

Historial Predications of SNOs between NPP and TERRA