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: 4/23/2020
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 04/24/2020 19:12:46 -68.31, 70.39 125.02 04/24/2020 19:13:25 -68.31, 70.36 125.02 1.54 39
2 04/24/2020 20:03:30 68.18,-122.14 54.85 04/24/2020 20:02:52 68.20,-122.13 54.86 1.76 38
3 04/27/2020 10:39:06 68.82, 18.18 54.65 04/27/2020 10:40:16 68.69, 19.08 54.52 38.88 70
4 04/27/2020 11:29:40 -68.30,-173.82 125.89 04/27/2020 11:29:51 -68.30,-173.76 125.88 2.58 11
5 04/27/2020 12:20:23 68.12, -6.29 53.93 04/27/2020 12:19:19 68.13, -6.32 53.94 1.68 64
6 04/30/2020 02:55:52 68.33, 134.60 53.33 04/30/2020 02:56:49 68.34, 134.55 53.34 2.68 57
7 04/30/2020 03:46:34 -68.24, -57.97 126.78 04/30/2020 03:46:19 -68.24, -57.95 126.78 0.95 15
8 04/30/2020 04:37:06 67.47, 110.29 52.44 04/30/2020 04:35:57 67.50, 108.85 52.48 61.36 69
9 05/02/2020 19:12:47 68.33,-109.63 52.52 05/02/2020 19:13:16 68.33,-109.58 52.52 2.02 29
10 05/02/2020 20:03:28 -68.18, 57.88 127.64 05/02/2020 20:02:47 -68.17, 57.86 127.65 0.95 41
11 05/05/2020 10:39:02 -68.65,-161.59 127.92 05/05/2020 10:40:14 -68.54,-161.07 128.03 23.78 72
12 05/05/2020 11:29:41 68.27, 6.22 51.69 05/05/2020 11:29:44 68.26, 6.22 51.68 1.66 3
13 05/05/2020 12:20:22 -68.12, 173.73 128.47 05/05/2020 12:19:15 -68.10, 173.67 128.49 3.15 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/23/2020
SNOs_Map_NPP_TERRA_20200423.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/23/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service