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: 10/19/2021
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 10/20/2021 15:00:36 68.94, -47.20 79.41 10/20/2021 15:01:07 68.93, -47.14 79.40 2.65 31
2 10/20/2021 15:51:17 -68.80, 120.32 100.73 10/20/2021 15:50:37 -68.82, 120.36 100.71 3.36 40
3 10/23/2021 06:26:52 -69.15, -99.04 99.46 10/23/2021 06:28:03 -69.10, -98.69 99.50 15.10 71
4 10/23/2021 07:17:33 68.88, 68.65 80.29 10/23/2021 07:17:32 68.88, 68.67 80.28 0.78 1
5 10/23/2021 08:08:15 -68.78,-123.90 99.80 10/23/2021 08:07:02 -68.77,-123.83 99.82 3.20 73
6 10/25/2021 22:43:47 -68.93, 17.03 98.75 10/25/2021 22:44:31 -68.93, 16.98 98.75 2.29 44
7 10/25/2021 23:34:31 68.81,-175.50 81.15 10/25/2021 23:33:58 68.81,-175.53 81.14 1.16 33
8 10/28/2021 14:10:11 69.39, -35.17 82.60 10/28/2021 14:11:21 69.29, -34.30 82.52 35.88 70
9 10/28/2021 15:00:46 -68.92, 132.81 97.86 10/28/2021 15:00:56 -68.91, 132.84 97.86 1.61 10
10 10/28/2021 15:51:30 68.80, -59.73 82.05 10/28/2021 15:50:23 68.79, -59.67 82.03 3.05 67
11 10/31/2021 06:27:02 68.96, 81.19 83.06 10/31/2021 06:27:51 68.99, 81.19 83.09 3.45 49
12 10/31/2021 07:17:44 -68.86,-111.35 97.04 10/31/2021 07:17:22 -68.84,-111.37 97.06 2.74 22
13 10/31/2021 08:08:11 67.83, 57.29 81.97 10/31/2021 08:07:04 67.87, 55.12 81.97 90.97 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/19/2021
SNOs_Map_NPP_TERRA_20211019.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/19/2021 in txt file.

Historial Predications of SNOs between NPP and TERRA