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: 9/20/2021
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 09/21/2021 07:17:14 68.89, 68.67 68.20 09/21/2021 07:18:13 68.90, 68.70 68.20 1.36 59
2 09/21/2021 08:07:55 -68.75,-123.82 111.94 09/21/2021 08:07:44 -68.73,-123.87 111.96 2.97 11
3 09/21/2021 08:58:29 68.09, 44.35 67.42 09/21/2021 08:57:19 68.17, 43.10 67.50 52.61 70
4 09/23/2021 23:34:09 68.83,-175.48 69.18 09/23/2021 23:34:40 68.86,-175.46 69.21 2.94 31
5 09/24/2021 00:24:50 -68.69, -7.96 110.95 09/24/2021 00:24:11 -68.70, -8.03 110.95 3.02 39
6 09/26/2021 15:00:25 -69.21, 132.46 109.41 09/26/2021 15:01:36 -69.10, 133.08 109.52 27.03 71
7 09/26/2021 15:51:04 68.83, -59.71 70.23 09/26/2021 15:51:06 68.82, -59.64 70.21 3.18 2
8 09/26/2021 16:41:45 -68.68, 107.81 109.92 09/26/2021 16:40:37 -68.66, 107.80 109.94 2.36 68
9 09/29/2021 07:17:15 -68.89,-111.32 108.69 09/29/2021 07:18:06 -68.90,-111.31 108.69 1.02 51
10 09/29/2021 08:07:59 68.78, 56.14 71.22 09/29/2021 08:07:33 68.77, 56.19 71.21 2.08 26
11 09/29/2021 08:58:25 -67.82,-135.31 109.73 09/29/2021 08:57:17 -67.89,-137.24 109.67 81.12 68
12 10/01/2021 22:43:43 69.74,-164.07 73.19 10/01/2021 22:44:51 69.61,-162.13 73.07 76.36 68
13 10/01/2021 23:34:10 -68.83, 4.53 107.71 10/01/2021 23:34:33 -68.85, 4.51 107.70 1.75 23
14 10/02/2021 00:24:54 68.73, 171.98 72.20 10/02/2021 00:24:00 68.72, 172.00 72.20 1.20 54

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/20/2021
SNOs_Map_NPP_TERRA_20210920.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/20/2021 in txt file.

Historial Predications of SNOs between NPP and TERRA