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: 8/3/2021
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 08/04/2021 08:07:32 -68.75,-123.78 128.46 08/04/2021 08:08:33 -68.75,-123.81 128.46 1.65 61
2 08/04/2021 08:58:17 68.67, 43.64 51.47 08/04/2021 08:58:00 68.65, 43.70 51.44 3.24 17
3 08/04/2021 09:48:49 -68.06,-148.25 129.16 08/04/2021 09:47:38 -68.09,-149.34 129.09 45.53 71
4 08/07/2021 00:24:27 -68.70, -7.94 127.78 08/07/2021 00:24:59 -68.73, -7.97 127.76 3.22 32
5 08/07/2021 01:15:12 68.62, 159.47 52.15 08/07/2021 01:14:26 68.62, 159.54 52.15 2.89 46
6 08/09/2021 15:50:44 68.90, -59.76 53.18 08/09/2021 15:51:55 68.86, -59.56 53.13 9.00 71
7 08/09/2021 16:41:24 -68.71, 107.81 127.01 08/09/2021 16:41:26 -68.70, 107.87 127.03 2.60 2
8 08/09/2021 17:32:07 68.52, -84.63 52.81 08/09/2021 17:30:54 68.53, -84.69 52.82 2.33 73
9 08/12/2021 08:07:38 68.75, 56.21 53.81 08/12/2021 08:08:23 68.77, 56.20 53.83 2.09 45
10 08/12/2021 08:58:20 -68.66,-136.36 126.27 08/12/2021 08:57:53 -68.66,-136.29 126.27 2.72 27
11 08/14/2021 23:34:04 -69.57, 3.52 124.53 08/14/2021 23:35:12 -69.45, 5.32 124.70 71.56 68
12 08/15/2021 00:24:34 68.71, 172.03 54.59 08/15/2021 00:24:50 68.72, 172.03 54.60 1.68 16
13 08/15/2021 01:15:15 -68.56, -20.46 125.55 08/15/2021 01:14:21 -68.57, -20.53 125.54 2.73 54

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/3/2021
SNOs_Map_NPP_TERRA_20210803.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/03/2021 in txt file.

Historial Predications of SNOs between NPP and TERRA