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: 2/21/2021
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 02/22/2021 18:21:58 68.47, -97.11 78.35 02/22/2021 18:22:51 68.45, -97.11 78.32 2.00 53
2 02/22/2021 19:12:39 -68.33, 70.39 101.81 02/22/2021 19:12:21 -68.34, 70.40 101.80 1.48 18
3 02/22/2021 20:03:09 67.45,-121.21 77.27 02/22/2021 20:02:01 67.50,-122.93 77.38 73.56 68
4 02/25/2021 10:38:51 68.42, 18.72 77.31 02/25/2021 10:39:18 68.45, 18.77 77.32 3.26 27
5 02/25/2021 11:29:32 -68.28,-173.78 102.86 02/25/2021 11:28:49 -68.29,-173.79 102.85 0.66 43
6 02/28/2021 02:05:06 -68.77, -33.27 103.34 02/28/2021 02:06:17 -68.68, -32.72 103.46 24.44 71
7 02/28/2021 02:55:45 68.38, 134.55 76.25 02/28/2021 02:55:47 68.39, 134.57 76.26 1.33 2
8 02/28/2021 03:46:26 -68.24, -57.95 103.91 02/28/2021 03:45:18 -68.23, -57.98 103.91 1.45 68
9 03/02/2021 18:21:55 -68.46, 82.91 104.68 03/02/2021 18:22:49 -68.45, 82.88 104.70 1.44 54
10 03/02/2021 19:12:39 68.34,-109.63 75.19 03/02/2021 19:12:16 68.33,-109.62 75.18 1.09 23
11 03/02/2021 20:03:07 -67.50, 58.74 105.70 03/02/2021 20:01:58 -67.56, 57.12 105.58 69.16 69
12 03/05/2021 09:48:26 69.53, 29.90 75.42 03/05/2021 09:49:32 69.38, 32.30 75.19 95.13 66
13 03/05/2021 10:38:49 -68.42,-161.26 105.76 03/05/2021 10:39:18 -68.40,-161.31 105.78 3.07 29
14 03/05/2021 11:29:33 68.30, 6.20 74.11 03/05/2021 11:28:45 68.27, 6.19 74.09 3.26 48

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/21/2021
SNOs_Map_NPP_TERRA_20210221.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/21/2021 in txt file.

Historial Predications of SNOs between NPP and TERRA