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: 10/20/2021
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 10/20/2021 15:00:35 68.93, -47.18 79.39 10/20/2021 15:01:06 68.95, -47.12 79.41 3.00 31
2 10/20/2021 15:51:16 -68.79, 120.34 100.74 10/20/2021 15:50:37 -68.78, 120.30 100.75 1.50 39
3 10/23/2021 06:26:52 -69.14, -99.02 99.47 10/23/2021 06:28:03 -69.11, -98.67 99.49 14.29 71
4 10/23/2021 07:17:33 68.86, 68.67 80.28 10/23/2021 07:17:32 68.89, 68.69 80.30 2.70 1
5 10/23/2021 08:08:15 -68.77,-123.88 99.81 10/23/2021 08:07:02 -68.78,-123.82 99.81 2.96 73
6 10/25/2021 22:43:47 -68.92, 17.05 98.76 10/25/2021 22:44:31 -68.94, 16.99 98.74 3.40 44
7 10/25/2021 23:34:31 68.80,-175.48 81.14 10/25/2021 23:33:58 68.82,-175.51 81.16 2.68 33
8 10/28/2021 14:10:11 69.38, -35.15 82.59 10/28/2021 14:11:22 69.25, -34.36 82.47 34.31 71
9 10/28/2021 15:00:46 -68.91, 132.82 97.87 10/28/2021 15:00:56 -68.92, 132.86 97.85 2.39 10
10 10/28/2021 15:51:30 68.79, -59.71 82.03 10/28/2021 15:50:23 68.80, -59.65 82.04 2.89 67
11 10/31/2021 06:27:02 69.00, 81.14 83.09 10/31/2021 06:27:50 69.00, 81.21 83.10 2.85 48
12 10/31/2021 07:17:43 -68.85,-111.34 97.05 10/31/2021 07:17:21 -68.85,-111.36 97.05 0.90 22
13 10/31/2021 08:08:10 67.82, 57.31 81.96 10/31/2021 08:07:03 67.88, 55.13 81.99 91.39 67
14 11/02/2021 21:53:30 -69.80, 28.45 95.28 11/02/2021 21:54:38 -69.65, 30.29 95.40 73.00 68
15 11/02/2021 22:44:00 68.94,-163.02 83.89 11/02/2021 22:44:16 68.92,-163.02 83.86 2.71 16
16 11/02/2021 23:34:42 -68.84, 4.43 96.20 11/02/2021 23:33:46 -68.82, 4.49 96.23 3.47 56

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/20/2021
SNOs_Map_NPP_TERRA_20211020.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/20/2021 in txt file.

Historial Predications of SNOs between NPP and TERRA